500 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Koopman-Verhoeff ME, Mulder RH, Saletin JM, Reiss I, van der Horst GTJ, Felix JF, Carskadon MA, Tiemeier H, Cecil CAM. Genome-wide DNA methylation patterns associated with sleep and mental health in children: a population-based study. Journal of Child Psychology and Psychiatry, and Allied Disciplines. PMID 32361995 DOI: 10.1111/jcpp.13252  0.01
2020 Frederic F, Soraya B, Anne-Sophie A, Aurelie A, David A. Gender-related differences in the facial aging of Caucasian French subjects and their relations with perceived ages and tiredness. Journal of Cosmetic Dermatology. PMID 32315489 DOI: 10.1111/jocd.13446  0.01
2019 Villarino NF, Lopez CM, Sams RA, Bayly WM. Pharmacokinetics of furosemide in thoroughbred horses subjected to supramaximal treadmill exercise with and without controlled access to water. Bmc Veterinary Research. 15: 275. PMID 31375096 DOI: 10.1186/s12917-019-2017-3  0.01
2017 Wei H, Chang H, Zheng L, Lin S, Chen Y, Tian H, Zhao J, Chen Y, Cai H, Gu X, Murugan K. Identification and expression profiling of pheromone biosynthesis activating neuropeptide in Chlumetia transversa (Walker). Pesticide Biochemistry and Physiology. 135: 89-96. PMID 28043337 DOI: 10.1016/j.pestbp.2016.05.005  0.01
2015 Shanmughapriya S, Rajan S, Hoffman NE, Higgins AM, Tomar D, Nemani N, Hines KJ, Smith DJ, Eguchi A, Vallem S, Shaikh F, Cheung M, Leonard NJ, Stolakis RS, Wolfers MP, et al. SPG7 Is an Essential and Conserved Component of the Mitochondrial Permeability Transition Pore. Molecular Cell. 60: 47-62. PMID 26387735 DOI: 10.1016/J.Molcel.2015.08.009  1
2015 Leonard NJ, Fritsch MA, Ruff JD, Fazio JF, Harrison J, Grover T. The challenge of managing the Columbia River Basin for energy and fish Fisheries Management and Ecology. 22: 88-98. DOI: 10.1111/fme.12106  1
2013 Cheng H, Hong W, Wang X, Hu X. Diffusion tensor imaging findings associated with cognitive performance in hydrocephalus patients. Saudi Medical Journal. 34: 1299-301. PMID 24343473  0.01
2013 Meena S, Singla A, Chowdhury B. Making advanced trauma life support more effective. Saudi Medical Journal. 34: 1121-2. PMID 24343460  0.01
2012 Bakhsh ZT, Mansour AY, Mensah EK, Croke KG, Drummond JL, Koerber A. Factors affecting the internal brain drain of Saudi healthcare professionals. Saudi Medical Journal. 33: 1285-9. PMID 23232675  0.01
2012 Albarrak AM, Stephens GM, Hewson R, Memish ZA. Recovery from severe novel coronavirus infection. Saudi Medical Journal. 33: 1265-9. PMID 23232672  0.01
2012 Gripp KW, Hopkins E, Serrano A, Leonard NJ, Stabley DL, Sol-Church K. Transmission of the rare HRAS mutation (c. 173C > T; p.T58I) further illustrates its attenuated phenotype. American Journal of Medical Genetics. Part A. 158: 1095-101. PMID 22488832 DOI: 10.1002/ajmg.a.35294  1
2012 Taylor WW, Lynch AJ, Leonard NJ. Great Lakes fisheries policy and management: A binational perspective: Second edition Great Lakes Fisheries Policy and Management: a Binational Perspective: Second Edition. 2147483647: 1-865.  1
2010 PRICE CC, LEONARD NJ, REITSEMA RH. An isomer of thiamin. Journal of the American Chemical Society. 68: 766-9. PMID 21024880 DOI: 10.1021/Ja01209A019  0.01
2010 LEONARD NJ. The chemistry of cinnolines. Chemical Reviews. 37: 269-86. PMID 21005669 DOI: 10.1021/cr60117a003  0.01
2010 LEONARD NJ, HERBRANDSON HF, VAN HEYNINGEN EM. Synthesis of 4-hydroxyquinolines; synthesis of 3-n-heptyl-7-methoxy-2-methyl-4-quinolinol. Journal of the American Chemical Society. 68: 1279-81. PMID 20990976 DOI: 10.1021/Ja01211A045  0.01
2010 PRICE CC, LEONARD NJ, REITSEMA RH. Synthesis of 4-hydroxyquinolines; a direct synthesis from beta-anilinoacrylates. Journal of the American Chemical Society. 68: 1256-9. PMID 20990967 DOI: 10.1021/Ja01211A036  0.01
2010 PRICE CC, LEONARD NJ, HERBRANDSON HF. Synthesis of 4-hydroxyquinolines; preparation through 3-cyano and 3-carbanilido derivatives. Journal of the American Chemical Society. 68: 1251. PMID 20990964 DOI: 10.1021/Ja01211A033  0.01
2010 Olson ME, Leonard NJ, Strout J. Prevalence and diagnosis of Giardia infection in dogs and cats using a fecal antigen test and fecal smear. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 51: 640-2. PMID 20808578  1
2010 PRICE CC, LEONARD NJ, STACY GW. The synthesis of 4-hydroxyquinolines; quinoline derivatives with sulfur-containing substituents. Journal of the American Chemical Society. 69: 855-8. PMID 20292473 DOI: 10.1021/Ja01196A035  0.01
2010 LEONARD NJ, HRUDA LR, LONG FW. The synthesis of pyrrolizidines. Journal of the American Chemical Society. 69: 690-2. PMID 20289459 DOI: 10.1021/Ja01195A067  0.01
2010 LEONARD NJ, BOYD SN, HERBRANDSON HF. Cinnolines; attempted syntheses of the cinnoline nucleus. The Journal of Organic Chemistry. 12: 47-56. PMID 20280737 DOI: 10.1021/Jo01165A007  0.01
2010 LEONARD NJ, BOYS SN. Cinnolines; synthesis of 4-hydroxycinnolines. The Journal of Organic Chemistry. 11: 419-28. PMID 20279700 DOI: 10.1021/Jo01174A019  0.01
2010 LEONARD NJ, BOYD SN. Cinnolines; synthesis of aminoacetophenones and aminopropiophenones. The Journal of Organic Chemistry. 11: 405-18. PMID 20279699 DOI: 10.1021/Jo01174A018  0.01
2010 LEONARD NJ. ChemInform Abstract: The “Chemistry” of Research Collaboration Cheminform. 28: no-no. DOI: 10.1002/chin.199722289  0.01
2010 LEONARD NJ, NEELIMA N. ChemInform Abstract: Methodology for the Synthesis of Dinucleoside Monophosphates Containing a 2′-Deoxy-3-isoadenosine Unit: 3-iso-dApT and Tp(3-iso-dA). Cheminform. 27: no-no. DOI: 10.1002/chin.199647242  0.01
2010 LEONARD NJ, NEELIMA N. ChemInform Abstract: 1,1,1,3,3,3-Hexafluoro-2-propanol for the Removal of the 4,4′- Dimethoxytrityl Protecting Group from the 5′-Hydroxyl of Acid- Sensitive Nucleosides and Nucleotides. Cheminform. 27: no-no. DOI: 10.1002/chin.199606111  0.01
2010 LEONARD NJ, BHAT B, WILSON SR, CRUICKSHANK KA. ChemInform Abstract: Utilization of a Syn to Anti Rearrangement for the Construction of a Centrosymmetric, Covalently Linked Cross Section That Would Direct Parallel Strandedness in a Double-Helical Polynucleotide. Cheminform. 22: no-no. DOI: 10.1002/chin.199126267  0.01
2009 Deris ZZ, Hasan H, Sulaiman SA, Wahab MS, Naing NN, Othman NH. Preference of treatment facilities among Malaysian Hajj pilgrims for acute respiratory symptoms. Saudi Medical Journal. 30: 1103-4. PMID 19668898  0.01
2009 Abdul-Wahab A, Janahi IA, Abdel-Rahman MO. Sweat chloride concentration in cystic fibrosis patients with cystic fibrosis trans-membrane conductance regulator I1234V mutation. Saudi Medical Journal. 30: 1101-2. PMID 19668897  0.01
2009 Joynt CA, Robertson CM, Cheung PY, Nettel-Aguirre A, Joffe AR, Sauve RS, Biggs WS, Leonard NJ, Ross DB, Rebeyka IM. Two-year neurodevelopmental outcomes of infants undergoing neonatal cardiac surgery for interrupted aortic arch: a descriptive analysis. The Journal of Thoracic and Cardiovascular Surgery. 138: 924-32. PMID 19660371 DOI: 10.1016/j.jtcvs.2009.03.016  1
2009 Alotaibi HM. An unusual association of recurrent pyogenic granuloma on nevus flammeus in a patient with Von Recklinghausen's disease. Saudi Medical Journal. 30: 844-6. PMID 19526173  0.01
2009 Hanif G, Ali SI, Shahid A, Rehman F, Mirza U. Role of biopsy in pediatric lymphadenopathy. Saudi Medical Journal. 30: 798-802. PMID 19526163  0.01
2009 Al B, Yildirim C, Zengin S, Cavdar M, Togun I. The effect of chronic carbon-monoxide exposure on the peak expiratory flow values of grill-kebab chefs. Saudi Medical Journal. 30: 788-92. PMID 19526161  0.01
2009 Gökçe BM, Karabiyik L, Karadenizli Y. Hypotensive anesthesia with esmolol. Assessment of hemodynamics, consumption of anesthetic drugs, and recovery. Saudi Medical Journal. 30: 771-7. PMID 19526158  0.01
2009 Suárez C, Gudiol F. [Beta-lactam antibiotics]. Enfermedades Infecciosas Y Microbiologia Clinica. 27: 116-29. PMID 19254642 DOI: 10.1016/J.EIMC.2008.12.001  0.01
2009 Krause AE, Frank KA, Jones ML, Nalepa TF, Barbiero RP, Madenjian CP, Agy M, Evans MS, Taylor WW, Mason DM, Leonard NJ. Adaptations in a hierarchical food web of southeastern Lake Michigan Ecological Modelling. 220: 3147-3162. DOI: 10.1016/J.Ecolmodel.2009.07.021  1
2008 LEONARD NJ, HYSON AM. Products of Friedel-Crafts acylation of beta-substituted naphthalenes. The Journal of Organic Chemistry. 13: 164-70. PMID 18917723 DOI: 10.1021/Jo01159A022  0.01
2008 LEONARD NJ, RUYLE WV, BANNISTER LC. Reactions of 4-quinazolene; reaction with secondary amines. The Journal of Organic Chemistry. 13: 617-21. PMID 18884402 DOI: 10.1021/Jo01163A001  0.01
2008 LEONARD NJ, BEYLER RE. The total synthesis of sparteine. Journal of the American Chemical Society. 70: 2298. PMID 18863833 DOI: 10.1021/Ja01186A522  0.08
2008 Gripp KW, Innes AM, Axelrad ME, Gillan TL, Parboosingh JS, Davies C, Leonard NJ, Lapointe M, Doyle D, Catalano S, Nicholson L, Stabley DL, Sol-Church K. Costello syndrome associated with novel germline HRAS mutations: an attenuated phenotype? American Journal of Medical Genetics. Part A. 146: 683-90. PMID 18247425 DOI: 10.1002/ajmg.a.32227  1
2008 LEONARD NJ, BEYLER RE. The resolution of sparteine. Journal of the American Chemical Society. 71: 757. PMID 18112080 DOI: 10.1021/Ja01170A524  0.01
2008 Kolski HK, Leonard NJ, Lemmers RJ, Bamforth JS. Atypical facet of Möbius syndrome: association with facioscapulohumeral muscular dystrophy. Muscle & Nerve. 37: 526-9. PMID 18059038 DOI: 10.1002/mus.20941  1
2008 Goddard CI, Leonard NJ, Stang DL, Wingate PJ, Rattner BA, Franson JC, Sheffield SR. Management concerns about known and potential impacts of lead use in shooting and in fishing activities Fisheries. 33: 228-234.  1
2007 LEONARD NJ, RUYLE WV. Reactions of 4-quinazolone; replacements at the 3-position. The Journal of Organic Chemistry. 13: 903-10. PMID 18106036 DOI: 10.1021/Jo01164A021  0.01
2007 Frank KA, Mueller K, Krause A, Taylor WW, Leonard NJ. The intersection of global trade, social networks, and fisheries Globalization: Effects On Fisheries Resources. 335-423. DOI: 10.1017/CBO9780511542183.020  1
2007 Taylor WW, Leonard NJ. The influence of globalization on the sustainability of the North American Pacific salmon fisheries Globalization: Effects On Fisheries Resources. 291-301. DOI: 10.1017/CBO9780511542183.016  1
2007 Taylor WW, Leonard NJ, Kratzer JF, Goddard C, Stewart P. Globalization: Implications for fish, fisheries, and their management Globalization: Effects On Fisheries Resources. 21-46. DOI: 10.1017/CBO9780511542183.005  1
2005 Bhargava R, Leonard NJ, Chan AK, Spranger J. Autosomal dominant inheritance of spondyloenchondrodysplasia. American Journal of Medical Genetics. Part A. 135: 282-8. PMID 15887273 DOI: 10.1002/ajmg.a.30732  1
2005 Al-Waili NS, Butler G, Abdullah M, Qazi SA. Hyperbaric medicine for necrotizing fasciitis. Saudi Medical Journal. 26: 163-4; author reply . PMID 15756386  0.01
2005 Salah MT, Mohammed MM, Himeidan YE, Malik EM, Elbashir MI, Adam I. A randomized comparison of sulphadoxine-pyrimethamine and combination of sulphadoxine pyrimethamine with chloroquine in the treatment of uncomplicated falciparum malaria in Eastern Sudan. Saudi Medical Journal. 26: 147-8. PMID 15756376  0.01
2005 Leonard NJ, Krol AL, Bleoo S, Somerville MJ. Sensorineural hearing loss, striate palmoplantar hyperkeratosis, and knuckle pads in a patient with a novel connexin 26 (GJB2) mutation. Journal of Medical Genetics. 42: e2. PMID 15635064 DOI: 10.1136/jmg.2003.017376  1
2005 Steinhart GB, Leonard NJ, Stein RA, Marschall EA. Effects of storms, angling, and nest predation during angling on smallmouth bass (Micropterus dolomieu) nest success Canadian Journal of Fisheries and Aquatic Sciences. 62: 2649-2660. DOI: 10.1139/F05-171  1
2004 MARION L, LEONARD NJ. The synthesis of dehydrolupanines and the stereochemistry of the C15 lupin alkaloids. Canadian Journal of Chemistry. 29: 355-62. PMID 14831021 DOI: 10.1139/v51-042  0.01
2004 LEONARD NJ. Class I malocclusion; report of a case. American Journal of Orthodontics. 37: 284-5. PMID 14819233 DOI: 10.1016/0002-9416(51)90089-9  0.01
2003 Leonard NJ, Blout E. Josef Fried. July 21, 1914-August 17, 2001. Biographical Memoirs. National Academy of Sciences (U.S.). 82: 143-56. PMID 15046027  1
2002 Leonard NJ. A second patient with MCA/MR syndrome with multiple circumferential skin creases. American Journal of Medical Genetics. 112: 91-4. PMID 12239728 DOI: 10.1002/ajmg.10665  1
2002 Leonard NJ, Tomkins DJ. Diploid/tetraploid/t(1;6) mosaicism in a 17-year-old female with hypomelanosis of Ito, multiple congenital anomalies, and body asymmetry. American Journal of Medical Genetics. 112: 86-90. PMID 12239727 DOI: 10.1002/ajmg.10662  1
2002 Sazgar M, Leonard NJ, Renaud DL, Bhargava R, Sinclair DB. Intracranial calcification, retinopathy, and osteopenia: a new syndrome? Pediatric Neurology. 26: 324-8. PMID 11992766 DOI: 10.1016/S0887-8994(01)00398-8  1
2001 Christian SM, Kieffer SA, Leonard NJ. Medical genetics and patient use of the Internet. Clinical Genetics. 60: 232-6. PMID 11595026 DOI: 10.1034/j.1399-0004.2001.600310.x  1
2000 Leonard NJ, Tomkins DJ, Demianczuk N. Prenatal diagnosis of del(15)(q26.1) and del(18)(q21.3) due to an unbalanced de novo translocation: Ultrasound, molecular cytogenetic and autopsy findings Prenatal Diagnosis. 20: 992-995. PMID 11113912 DOI: 10.1002/1097-0223(200012)20:12<992::AID-PD950>3.0.CO;2-7  1
2000 Leonard NJ, Tomkins DJ, Demianczuk N. Prenatal diagnosis of holoprosencephaly (HPE) in a fetus with a recombinant (18)dup(18q)inv(18)(p11.31q11.2)mat. Prenatal Diagnosis. 20: 947-9. PMID 11113905 DOI: 10.1002/1097-0223(200012)20:12<947::AID-PD957>3.0.CO;2-X  1
2000 Leonard NJ, Cole T, Bhargava R, Honoré LH, Watt J. Sacrococcygeal teratoma in two cases of Sotos syndrome. American Journal of Medical Genetics. 95: 182-4. PMID 11078573 DOI: 10.1002/1096-8628(20001113)95:2<182::AID-AJMG18>3.0.CO;2-8  1
2000 Fernie KJ, Leonard NJ, Bird DM. Behavior of free-ranging and captive American kestrels under electromagnetic fields. Journal of Toxicology and Environmental Health. Part A. 59: 597-603. PMID 10839495  1
1999 Bohring A, Lewin SO, Reynolds JF, Voigtländer T, Rittinger O, Carey JC, Köpernik M, Smith R, Zackai EH, Leonard NJ, Gritter HL, Bamforth JS, Okun N, McLeod DR, Super M, et al. Polytopic anomalies with agenesis of the lower vertebral column. American Journal of Medical Genetics. 87: 99-114. PMID 10533024 DOI: 10.1002/(Sici)1096-8628(19991119)87:2<99::Aid-Ajmg1>3.0.Co;2-Q  1
1999 Leonard NJ, Harley FL, Lin CC. Terminal deletion of chromosome 10q at band 26.1: follow-up in an adolescent male with high-output renal failure from congenital obstructive uropathy. American Journal of Medical Genetics. 86: 115-7. PMID 10449644 DOI: 10.1002/(SICI)1096-8628(19990910)86:2<115::AID-AJMG5>3.0.CO;2-Y  1
1998 Robertson CM, Cheung PY, Haluschak MM, Elliott CA, Leonard NJ. High prevalence of sensorineural hearing loss among survivors of neonatal congenital diaphragmatic hernia. Western Canadian ECMO Follow-up Group. The American Journal of Otology. 19: 730-6. PMID 9831145  1
1998 Robertson CMT, Cheung PY, Haluschak M, Elliott CA, Leonard NJ, Lowry B, Sibbald BS. Association between congenital diaphramatic hernia and hearing loss Teratology. 57: 44.  1
1997 Leonard NJ. The 'chemistry' of research collaboration. Tetrahedron perspective number 5 Tetrahedron. 53: 2325-2355. DOI: 10.1016/S0040-4020(96)00868-X  1
1996 LEONARD NJ, PAUKSTELIS JV. SMALL CHARGED RINGS. VII. INTERCONVERSION OF SUBSTITUTED BETA-CHLOROETHYLAMINES AND AZIRIDINIUM SALTS. The Journal of Organic Chemistry. 30: 821-5. PMID 14285675 DOI: 10.1021/Jo01014A040  0.01
1996 LEONARD NJ, BRADY LE. SMALL CHARGED RINGS. VI. EXPANSION OF THE AZIRIDINIUM RING BY REACTION WITH NITRILES. A NEW TYPE OF BENZYLATING AGENT. The Journal of Organic Chemistry. 30: 817-21. PMID 14285674 DOI: 10.1021/Jo01014A039  0.01
1996 LEONARD NJ, FUJI T. THE SYNTHESIS OF COMPOUNDS POSSESSING KINETIN ACTIVITY. THE USE OF A BLOCKING GROUP AT THE 9-POSITION OF ADENINE FOR THE SYNTHESIS OF 1-SUBSTITUTED ADENINES. Proceedings of the National Academy of Sciences of the United States of America. 51: 73-5. PMID 14104606 DOI: 10.1073/Pnas.51.1.73  0.04
1996 Leonard NJ, Bernier FP, Rudd N, Machin GA, Bamforth F, Bamforth S, Grundy P, Johnson C. Two pairs of male monozygotic twins discordant for Wiedemann-Beckwith syndrome. American Journal of Medical Genetics. 61: 253-7. PMID 8741870 DOI: 10.1002/(Sici)1096-8628(19960122)61:3<253::Aid-Ajmg9>3.0.Co;2-V  1
1996 Leonard NJ, Neelima. Methodology for the synthesis of dinucleoside monophosphates containing a 2'-deoxy-3-isoadenosine unit: 3-iso-dApT and Tp(3-iso-dA) Nucleosides and Nucleotides. 15: 1369-1381. DOI: 10.1080/07328319608002437  1
1996 Bhat B, Leonard NJ, Robinson H, Wang AHJ. Deoxyadenosine and thymidine bases held proximal and distal by means of a covalently-linked dimensional analogue of dA·dT: Intramolecular vs intermolecular hydrogen bonding Journal of the American Chemical Society. 118: 10744-10751. DOI: 10.1021/Ja9618255  1
1996 Bhat B, Neelima, Leonard NJ, Robinson H, Wang AH-. 2'-Deoxy-3-isoadenosine Forms Hoogsteen-Type Base Pairs with Thymidine in the d(CG[iA]TCG)_2 Duplex^1 Journal of the American Chemical Society. 118: 3065-3066. DOI: 10.1021/Ja954178A  1
1995 Martin RH, Rademaker AW, Leonard NJ. Analysis of chromosomal abnormalities in human sperm after chemotherapy by karyotyping and fluorescence in situ hybridization (FISH). Cancer Genetics and Cytogenetics. 80: 29-32. PMID 7535187 DOI: 10.1016/0165-4608(94)00162-5  1
1995 Leonard NJ, Neelima. 1,1,1,3,3,3-Hexafluoro-2-propanol for the removal of the 4,4′-DimethoxytrityI protecting group from the 5′-hydroxyl of acid-sensitive nucleosides and nucleotides Tetrahedron Letters. 36: 7833-7836. DOI: 10.1016/0040-4039(95)01673-6  1
1995 Leonard NJ, Dias V, Parsons HG. Alagille syndrome: Resolution of xanthomas Canadian Journal of Gastroenterology. 9: 187-190.  1
1994 Nash D, Hu S, Leonard NJ, Tiong SY, Fillips D. The raspberry locus of Drosophila melanogaster includes an inosine monophosphate dehydrogenase like coding sequence. Genome / National Research Council Canada = GéNome / Conseil National De Recherches Canada. 37: 333-44. PMID 7911114 DOI: 10.1139/g94-046  1
1994 Leonard NJ, Hughes HE. An unknown spondyloepimetaphyseal dysplasia with a positive sweat chloride test, sparse hair and mild facial dysmorphism. Clinical Dysmorphology. 3: 309-17. PMID 7894736  1
1994 Liu FT, Shenhav A, Bhat B, Leonard NJ. Preparation and characterization of polyclonal and monoclonal antibodies specific for covalently linked DNA/RNA cross sections. Hybridoma. 13: 499-507. PMID 7737674 DOI: 10.1089/Hyb.1994.13.499  1
1994 Leonard NJ. Preface to the special issue of HETEROCYCLES in Honour of Dr. Arnold Brossi Heterocycles. 39: 11-13. DOI: 10.3987/1994-01-0011  1
1994 Leonard NJ. Bioorganic chemistry-a scientific endeavour in continuous transition Pure and Applied Chemistry. 66: 659-662. DOI: 10.1351/pac199466040659  0.01
1993 Bhat B, Wilson SR, Leonard NJ. Structure of a covalently linked cross-section representative of a hydrogen-bonded dA . dT base pair Acta Crystallographica Section C Crystal Structure Communications. 49: 921-924. DOI: 10.1107/S0108270192012009  0.01
1992 Meyer E, Leonard NJ, Bhat B, Stubbe J, Smith JM. Purification and characterization of the purE, purK, and purC gene products: identification of a previously unrecognized energy requirement in the purine biosynthetic pathway. Biochemistry. 31: 5022-32. PMID 1534690 DOI: 10.1021/Bi00136A016  1
1992 Bhat B, Leonard NJ. Dimensional analog of a dA.cntdot.dT [deoxyadenosine.cntdot.deoxythymidine] base pair devoid of propeller twist Journal of the American Chemical Society. 114: 7407-7410. DOI: 10.1021/Ja00045A011  0.01
1992 Kanamori K, Roberts JD, Rossman MA, Leonard NJ. Systematic series of azacycl[3.3.3]azines of varying nitrogen content: Nitrogen-15 magnetic resonance spectra Heteroatom Chemistry. 3: 19-23. DOI: 10.1002/Hc.520030105  1
1992 Bhat B, Leonard NJ. Dimensional analogue of a dA·dT base pair devoid of propeller twist Journal of the American Chemical Society. 114: 7407-7410.  1
1991 Petric A, Bhat B, Leonard NJ, Gumport RI. Ligation with T4 RNA ligase of an oligodeoxyribonucleotide to covalently-linked cross-sectional base-pair analogues of short, normal, and long dimensions. Nucleic Acids Research. 19: 585-90. PMID 2011530 DOI: 10.1093/Nar/19.3.585  1
1991 Hill AR, Kumar S, Patil VD, Leonard NJ, Orgel LE. Which 3-ribofuranosyl-substituted purine 5'-phosphates undergo template-directed oligomerization? Journal of Molecular Evolution. 32: 447-53. PMID 1651397 DOI: 10.1007/Bf02102646  1
1991 Nair V, Buenger GS, Leonard NJ, Balzarini J, De Clercq E. Synthesis of 2′,3′-dideoxy-3-isoadenosine: A new structural analogue of the anti-HIV active compound, 2′,3′-dideoxyadenosine Journal of the Chemical Society, Chemical Communications. 1650-1651. DOI: 10.1039/C39910001650  1
1991 Leonard NJ, Bhat B, Wilson SR, Cruickshank KA. Utilization of a syn to anti rearrangement for the construction of a centrosymmetric, covalently linked cross section that would direct parallel strandedness in a double-helical polynucleotide Journal of the American Chemical Society. 113: 1398-1406. DOI: 10.1021/Ja00004A049  1
1990 Bhat B, Groziak MP, Leonard NJ. Nonenzymatic synthesis and properties of 5-aminoimidazole ribonucleotide (AIR). Synthesis of specifically15N-labeled 5-aminoimidazole ribonucleoside (AIRs) derivatives Journal of the American Chemical Society. 112: 4891-4897. DOI: 10.1021/Ja00168A039  1
1990 Devadas B, Leonard NJ. Synthesis of covalently linked double-helical cross sections representative of purine-pyrimidine, purine-purine, and pyrimidine-pyrimidine duplexes Journal of the American Chemical Society. 112: 3125-3135. DOI: 10.1021/Ja00164A038  1
1990 LeBreton PR, Yang X, Urano S, Fetzer S, Yu M, Leonard NJ, Kumar S. Photoemission properties of methyl-substituted guanines: Photoelectron and fluorescence investigations of 1,9-dimethylguanine, O6,9-dimethylguanine, and 9-methylguanine Journal of the American Chemical Society. 112: 2138-2147. DOI: 10.1021/Ja00162A015  1
1990 Pereira DE, Neelima, Leonard NJ. A Resolvable octaheterohelicene based on the 1,3,4,6-tetraazapentalene ring system Tetrahedron. 46: 5895-5908. DOI: 10.1016/S0040-4020(01)87915-1  1
1990 PEREIRA DE, NEELIMA N, LEONARD NJ. ChemInform Abstract: A Resolvable Octaheterohelicene Based on the 1,3,4,6-Tetraazapentalene Ring System. Cheminform. 21. DOI: 10.1002/chin.199050208  0.01
1990 DEVADAS B, LEONARD NJ. ChemInform Abstract: Synthesis of Covalently Linked Double-Helical Cross Sections Representative of Purine-Pyrimidine, Purine-Purine, and Pyrimidine-Pyrimidine Duplexes. Cheminform. 21. DOI: 10.1002/chin.199033291  0.01
1990 LEBRETON PR, YANG X, URANO S, FETZER S, YU M, LEONARD NJ, KUMAR S. ChemInform Abstract: Photoemission Properties of Methyl-Substituted Guanines: Photoelectron and Fluorescence Investigations of 1,9-Dimethylguanine (I), O6,9-Dimethylguanine (II), and 9-Methylguanine Cheminform. 21. DOI: 10.1002/chin.199025049  0.01
1990 KUMAR S, PATIL VD, WILSON SR, LEONARD NJ. ChemInform Abstract: Structure of 3-Isoinosine Cheminform. 21. DOI: 10.1002/chin.199002321  0.01
1989 Kumar S, Patil VD, Wilson SR, Leonard NJ. Structure of 3-isoinosine. Acta Crystallographica. Section C, Crystal Structure Communications. 45: 1394-7. PMID 2604954 DOI: 10.1107/S0108270189001228  1
1989 Bhat B, Leonard NJ. Syn to anti rearrangement of dipyrimidinone-substituted 1,3,4,6-tetraazapentalenes. A covalently linked cross section representative of base pairing in a double-helical polynucleotide having parallel strands Journal of Organic Chemistry. 54: 2030-2031. DOI: 10.1021/Jo00270A003  1
1989 Bhat B, Cruickshank KA, Leonard NJ. Pyrimidinone ring opening and reclosure on a 1,3,4,6-tetraazapentalene system: Syn to anti isomerization Journal of Organic Chemistry. 54: 2028-2030. DOI: 10.1021/Jo00270A002  1
1989 Kumar S, Leonard NJ. Nucleoside annelating agents: structures and electrophilic behavior of the products formed with N-chlorocarbonyl isocyanate [Erratum to document cited in CA109(13):110825z] The Journal of Organic Chemistry. 54: 2026-2026. DOI: 10.1021/Jo00269A058  0.01
1989 BHAT B, CRUICKSHANK KA, LEONARD NJ. ChemInform Abstract: Pyrimidinone Ring Opening and Reclosure on a 1,3,4,6-Tetraazapentalene System: Syn to Anti Iosmerization. Cheminform. 20. DOI: 10.1002/chin.198943061  0.01
1989 KUMAR S, OAKES FT, WILSON SR, LEONARD NJ. ChemInform Abstract: Synthesis and Structure of a Fluorescent, Tricyclic Analogue of 2′-Deoxyadenosine and of a Prodrug by N-Anellation of 2′-Deoxyguanosine and 9-((2-Hydroxyethoxy)methyl)guanine (Acyclovir), Respectively. Cheminform. 20. DOI: 10.1002/chin.198925289  0.01
1989 LEONARD NJ, PETRIC A, RYKOWSKI A. ChemInform Abstract: Defined Dimensional Alterations in Enzyme Substrates. Birch Reduction of lin-Benzopurines. A Contribution to Information Concerning the Binding Sites of Adenosine Deaminase and Xanthine Oxidase. Cheminform. 20. DOI: 10.1002/chin.198906186  0.01
1988 Kumar S, Wilson SR, Leonard NJ. Structure of 3-isoadenosine. Acta Crystallographica. Section C, Crystal Structure Communications. 44: 508-10. PMID 3271070 DOI: 10.1107/S0108270187011144  1
1988 Groziak MP, Bhat B, Leonard NJ. Nonenzymatic synthesis of 5-aminoimidazole ribonucleoside and recognition of its facile rearrangement. Proceedings of the National Academy of Sciences of the United States of America. 85: 7174-6. PMID 3174626 DOI: 10.1073/Pnas.85.19.7174  1
1988 Hill AR, Kumar S, Leonard NJ, Orgel LE. Template-directed oligomerization of 3-isoadenosine 5'-phosphate. Journal of Molecular Evolution. 27: 91-5. PMID 3137356 DOI: 10.1007/Bf02138366  1
1988 Bhatnagar D, Glass DB, Roskoski R, Lessor RA, Leonard NJ. Synthetic peptide analogues differentially alter the binding affinities of cyclic nucleotide dependent protein kinases for nucleotide substrates. Biochemistry. 27: 1988-94. PMID 2837278 DOI: 10.1021/Bi00406A027  1
1988 Kumar S, Oakes FT, Wilson SR, Leonard NJ. Synthesis and structure of a fluorescent, tricyclic analogue of 2′-deoxyadenosine and of a prodrug by n-annelation of 2′-deoxyguanosine and 9-[(2-hydroxyethoxy)methyl]guanine (acyclovir), respectively Heterocycles. 27: 2891-2901. DOI: 10.3987/Com-88-4757  1
1988 Kumar S, Leonard NJ. Nucleoside annelating agents: Structures and electrophilic behavior of the products formed with N-chlorocarbonyl isocyanate Journal of Organic Chemistry. 53: 3959-3967. DOI: 10.1021/Jo00252A015  1
1988 Leonard NJ, Petrič A, Rykowski A. Defined dimensional alterations in enzyme substrates. Birch reduction of lin-benzopurines. A contribution to information concerning the binding sites of adenosine deaminase and xanthine oxidase Journal of Organic Chemistry. 53: 3873-3875. DOI: 10.1021/Jo00251A045  1
1988 Pereira DE, Petric A, Leonard NJ. Syntheses, structures, and properties of dipyridazino-fused 1,3,4,6-tetraazapentalenes Tetrahedron. 44: 3149-3158. DOI: 10.1016/S0040-4020(01)85946-9  1
1988 PEREIRA DE, PETRIC A, LEONARD NJ. ChemInform Abstract: Syntheses, Structures, and Properties of Dipyridazino-Fused 1,3,4,6-Tetraazapentalenes. Cheminform. 19. DOI: 10.1002/chin.198844194  0.01
1988 PEREIRA DE, CLAUSON GL, LEONARD NJ. ChemInform Abstract: Dissymmetry of Certain Substituted Dipyridotetraazapentalenes. Cheminform. 19. DOI: 10.1002/chin.198811225  0.01
1987 Leonard NJ, Kazmierczak F, Rykowski AZ. Convenient synthesis of linear benzopurines through a common intermediate The Journal of Organic Chemistry. 52: 2933-2935. DOI: 10.1021/Jo00389A055  0.01
1987 Leonard NJ, Devadas B. Synthesis of covalently linked double-helical cross sections representative of purine-purine and pyrimidine-pyrimidine duplexes Journal of the American Chemical Society. 109: 623-625. DOI: 10.1021/Ja00236A073  1
1987 Halpern AM, Ruggles CJ, Zhang XK, Groziak MP, Leonard NJ. Photophysics and photochemistry of syn- and anti-dipyrido-substituted tetraazapentalenes: Selective photooxidation involving singlet oxygen Journal of Physical Chemistry. 91: 1366-1370. DOI: 10.1021/J100290A019  1
1987 Pereira DE, Clauson GL, Leonard NJ. Dissymmetry of certain substituted dipyridotetraazapentalenes Tetrahedron. 43: 4931-4946. DOI: 10.1016/S0040-4020(01)87674-2  1
1987 Leonard NJ, Kaźmierczak F, Rykowski A. A convenient synthesis of lin-benzopurines through a common intermediate Journal of Organic Chemistry. 52: 2933-2935.  1
1986 Leonard NJ, Cruickshank KA. Substituted ethenoadenosines and ethenocytidines. Iarc Scientific Publications. 33-6. PMID 3793183  1
1986 Leonard NJ, Fujii T, Saito T. A general and convenient synthesis of 7-alkyladenines from adenine by regioselective alkylation utilizing blocking/deblocking at the 3-position. Chemical & Pharmaceutical Bulletin. 34: 2037-43. PMID 3742650 DOI: 10.1248/cpb.34.2037  1
1986 Leonard NJ, Cruickshank KA, Groziak MP, Clauson GL, Devadas B. Relatives of Watson-Crick DNA, RNA cross sections. Annals of the New York Academy of Sciences. 471: 255-65. PMID 2425693 DOI: 10.1111/J.1749-6632.1986.Tb48041.X  1
1986 FUJII T, SAITO T, INOUE I, KUMAZAWA Y, LEONARD NJ. Purines. XXVIII Preparation of some 3,7-dialkyladenines from 3-alkyladenines by alkylation : A subordinate formation of 3,9-dialkyladenines. Chemical & Pharmaceutical Bulletin. 34: 1821-1825. DOI: 10.1248/Cpb.34.1821  0.01
1986 Groziak MP, Wilson SR, Clauson GL, Leonard NJ. Fluorescent heterocyclic systems: Syntheses, structures, and physicochemical properties of dipyrido-substituted 1,3,4,6-tetraazapentalenes Journal of the American Chemical Society. 108: 8002-8006. DOI: 10.1021/Ja00285A020  1
1986 Pereira DE, Leonard NJ. A masked [π8 + π2] cycloaddition reaction involving the 1,3,4,6-tetraazapentalene ring system Tetrahedron Letters. 27: 4129-4132. DOI: 10.1016/S0040-4039(00)84928-X  1
1986 Leonard NJ, Hiremath SP. Dimensional probes of binding and activity Tetrahedron. 42: 1917-1961. DOI: 10.1016/S0040-4020(01)87611-0  1
1986 PEREIRA DE, LEONARD NJ. ChemInform Abstract: A Masked [π8 +π2] Cycloaddition Reaction Involving the 1,3,4,6-Tetraazapentalene Ring System. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198652200  0.01
1986 Devadas B, Leonard NJ. Synthesis of covalently linked DNA/RNA cross sections Journal of the American Chemical Society. 108: 5012-5014. DOI: 10.1002/Chin.198650332  1
1986 DEVADAS B, LEONARD NJ. ChemInform Abstract: Synthesis of Covalently Linked DNA/RNA Cross Sections. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198650332  0.01
1986 Stevenson TM, Kaźmierczak F, Leonard NJ. Defined dimensional alterations in enzyme substrates. General synthetic methodology for the bent dihydro-lin-benzopurines Journal of Organic Chemistry. 51: 616-620. DOI: 10.1002/Chin.198636224  1
1986 STEVENSON TM, KAZMIERCZAK F, LEONARD NJ. ChemInform Abstract: Defined Dimensional Alterations in Enzyme Substrates. General Synthetic Methodology for the Bent Dihydro-lin-benzopurines. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198636224  0.01
1986 LEONARD NJ, HIREMATH SP. ChemInform Abstract: Dimensional Probes of Binding and Activity Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198633321  0.01
1986 LEONARD NJ, CRUICKSHANK KA. ChemInform Abstract: Nucleoside Annelating Reagents: N-(tert-Butoxycarbonyl)-2-bromoacetamide and 2-Chloroketene Diethyl Acetal. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198602319  0.01
1985 Leonard NJ. Adenylates: bound and unbound. Biopolymers. 24: 9-28. PMID 3886035 DOI: 10.1002/Bip.360240104  1
1985 Bhatnagar D, Glass DB, Roskoski R, Lessor RA, Leonard NJ. Interaction of guanosine cyclic 3',5'-phosphate dependent protein kinase with lin-benzoadenine nucleotides. Biochemistry. 24: 1122-9. PMID 3006744 DOI: 10.1021/Bi00326A009  1
1985 Oakes FT, Leonard NJ. Broadened scope of translocative rearrangements. Substituted 1,2,3-triazolo[1,5-a]-1,3,5-triazines Journal of Organic Chemistry. 50: 4986-4989. DOI: 10.1021/Jo00224A074  1
1985 Casteel DA, Leonard NJ. Synthesis of pyrrolo[3,4-d]imidazoles. A new fluorescent heterocyclic system Journal of Organic Chemistry. 50: 2450-2456. DOI: 10.1021/Jo00214A010  1
1985 Cruickshank KA, Sumoto K, Leonard NJ. Access to the 1,3,4,6-tetraazapentalene ring system Tetrahedron Letters. 26: 2723-2726. DOI: 10.1016/S0040-4039(00)94895-0  1
1985 Agasimundin YS, Oakes FT, Kostuba LJ, Leonard NJ. Annelation of guanosine by reaction with methyl N-cyanomethanimidate and sodium methoxide to give a tricyclic, fluorescent analogue of adenosine Journal of Organic Chemistry. 50: 2468-2474. DOI: 10.1002/Chin.198602320  1
1985 Leonard NJ, Cruickshank KA. Nucleoside annelating reagents: N-(tert-butoxycarbonyl)-2-bromoacetamide and 2-chloroketene diethyl acetal Journal of Organic Chemistry. 50: 2480-2488. DOI: 10.1002/Chin.198602319  1
1985 Agasimundin YS, Oakes FT, Leonard NJ. Annelation of isocytosines by reaction with methyl N-cyanomethanimidate and sodium methoxide: Influence of substitution on the course of the reaction and rearrangements Journal of Organic Chemistry. 50: 2474-2480. DOI: 10.1002/Chin.198602220  1
1985 D'Alarcao M, Bakthavachalam V, Leonard NJ. Synthesis of imidazo[4,5-h]-1,3-diazabiphenylene (lin-benzocyclobutadienopurine), a ring system having a benzocyclobutadieno spacer between the terminal rings of purine Journal of Organic Chemistry. 50: 2456-2461. DOI: 10.1002/Chin.198602208  1
1985 Casteel DA, Leonard NJ. Synthesis Of Pyrrolo(3,4-D)Imidazoles. A New Fluorescent Heterocyclic System Cheminform. 16. DOI: 10.1002/Chin.198552210  1
1985 Gibson KJ, D'Alarcao M, Leonard NJ. Rearrangements of azabiphenylenes. The impact of nitrogen number and position Journal of Organic Chemistry. 50: 2462-2468. DOI: 10.1002/Chin.198552118  1
1985 Rossman MA, Leonard NJ, Urano S, Lebreton PR. Synthesis and valence orbital structures of azacycl[3.3.3]azines in a systematic series Journal of the American Chemical Society. 107: 3884-3890. DOI: 10.1002/Chin.198542061  1
1985 ROSSMAN MA, LEONARD NJ, URANO S, LEBRETON PR. ChemInform Abstract: SYNTHESIS AND VALENCE ORBITAL STRUCTURES OF AZACYCL(3.3.3)AZINES IN A SYSTEMATIC SERIES Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198542061  0.01
1985 CRUICKSHANK KA, SUMOTO K, LEONARD NJ. ChemInform Abstract: ACCESS TO THE 1,3,4,6-TETRAAZAPENTALENE RING SYSTEM Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198540192  0.01
1985 HALPERN AM, ROSSMAN MA, HOSMANE RS, LEONARD NJ. ChemInform Abstract: PHOTOPHYSICS OF THE S1 ↔ SO TRANSITION IN TRI-S-TRIAZINE Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198501047  0.01
1984 Jones AM, Melhado LL, Ho TH, Pearce CJ, Leonard NJ. Azido auxins : photoaffinity labeling of auxin-binding proteins in maize coleoptile with tritiated 5-azidoindole-3-acetic Acid. Plant Physiology. 75: 1111-6. PMID 16663744 DOI: 10.1104/Pp.75.4.1111  1
1984 Jones AM, Melhado LL, Ho TH, Leonard NJ. Azido auxins: quantitative binding data in maize. Plant Physiology. 74: 295-301. PMID 16663412 DOI: 10.1104/Pp.74.2.295  1
1984 Melhado LL, Jones AM, Ho TH, Leonard NJ. Azido auxins : photolysis in solution and covalent binding to soybean. Plant Physiology. 74: 289-94. PMID 16663411 DOI: 10.1104/Pp.74.2.289  1
1984 Bhatnagar D, Hartl FT, Roskoski R, Lessor RA, Leonard NJ. Adenosine cyclic 3',5'-monophosphate dependent protein kinase: nucleotide binding to the chemically modified catalytic subunit. Biochemistry. 23: 4350-7. PMID 6487604 DOI: 10.1021/bi00314a016  1
1984 Lessor RA, Gibson KJ, Leonard NJ. Synthesis and biochemical evaluation of 2'-deoxy-lin-benzoadenosine phosphates. Biochemistry. 23: 3868-73. PMID 6487584 DOI: 10.1021/Bi00312A012  1
1984 Leonard NJ. Etheno-substituted nucleotides and coenzymes: fluorescence and biological activity. Crc Critical Reviews in Biochemistry. 15: 125-99. PMID 6365449 DOI: 10.3109/10409238409102299  1
1984 Gibson KJ, Leonard NJ. Nucleoside 5'-(beta, gamma-peroxytriphosphates). Biochemistry. 23: 78-85. PMID 6318817 DOI: 10.1021/Bi00296A013  1
1984 Leonard NJ. The consequences of altering atp Pure and Applied Chemistry. 56: 1025-1030. DOI: 10.1351/pac198456081025  1
1984 Mornet R, Leonard NJ, Theiler JB, Doree M. Specificity of the 1-methyladenine receptors in starfish oocytes: Synthesis and properties of some 1,8-disubstituted adenines, 1,6-dimethyl-1H-purine, and of the 1-(azidobenzyl)adenines Journal of the Chemical Society, Perkin Transactions 1. 879-885. DOI: 10.1039/P19840000879  1
1984 Halpern AM, Rossman MA, Hosmane RS, Leonard NJ. Photophysics of the S1 .tautm. SO transition in tri-s-triazine The Journal of Physical Chemistry. 88: 4324-4326. DOI: 10.1021/J150663A026  0.01
1984 Leonard NJ, Hosmane RS, Agasimundin YS, Kostuba LJ, Oakes FT. Chemical modification of nucleic acid components: Conversion of guanosine by methyl N-cyanomethanimidate to a tricyclic, fluorescent analogue of adenosine Journal of the American Chemical Society. 106: 6847-6848. DOI: 10.1002/Chin.198508343  1
1984 Halpern AM, Rossman MA, Hosmane RS, Leonard NJ. Photophysics of the S1 ↔ S0 transition in tri-s-triazine Journal of Physical Chemistry. 88: 4324-4326. DOI: 10.1002/Chin.198501047  1
1984 LEONARD NJ. ChemInform Abstract: STRETCHED-OUT VERSIONS OF ATP: SYNTHESIS, FLUORESCENCE AND BIOLOGICAL ACTIVITY Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198449363  0.01
1984 Stevenson TM, Leonard NJ. Defined dimensional alterations in enzyme substrates. lin-naphthoadenine and lin-naphthoadenosine Journal of Organic Chemistry. 49: 2158-2164. DOI: 10.1002/Chin.198447357  1
1984 STEVENSON TM, LEONARD NJ. ChemInform Abstract: DEFINED DIMENSIONAL ALTERATIONS IN ENZYME SUBSTRATES. LIN-NAPHTHOADENINE AND LIN-NAPHTHOADENOSINE Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198447357  0.01
1984 Shahbaz M, Urano S, LeBreton PR, Rossman MA, Hosmane RS, Leonard NJ. Tri-s-triazine: Synthesis, chemical behavior, and spectroscopic and theoretical probes of valence orbital structure Journal of the American Chemical Society. 106: 2805-2811. DOI: 10.1002/Chin.198433208  1
1984 SHAHBAZ M, URANO S, LEBRETON PR, ROSSMAN MA, HOSMANE RS, LEONARD NJ. ChemInform Abstract: TRI-S-TRIAZINE: SYNTHESIS, CHEMICAL BEHAVIOR, AND SPECTROSCOPIC AND THEORETICAL PROBES OF VALENCE ORBITAL STRUCTURE Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198433208  0.01
1984 Bakthavachalam V, D'Alarcao M, Leonard NJ. Synthesis and chemistry of 1,3-diazabiphenylenes Journal of Organic Chemistry. 49: 289-295. DOI: 10.1002/Chin.198426249  1
1983 Bhatnagar D, Roskoski R, Rosendahl MS, Leonard NJ. Adenosine cyclic 3',5'-monophosphate dependent protein kinase: a new fluorescence displacement titration technique for characterizing the nucleotide binding site on the catalytic subunit. Biochemistry. 22: 6310-7. PMID 6318814 DOI: 10.1021/Bi00295A042  1
1983 Hartl FT, Roskoski R, Rosendahl MS, Leonard NJ. Adenosine cyclic 3',5'-monophosphate dependent protein kinase: interaction of the catalytic subunit and holoenzyme with lin-benzoadenine nucleotides. Biochemistry. 22: 2347-52. PMID 6305401 DOI: 10.1021/bi00279a007  1
1983 Melhado LL, Leonard NJ. An efficient synthesis of azidoindoles and azidotryptophans Journal of Organic Chemistry. 48: 5130-5133. DOI: 10.1021/Jo00173A071  1
1983 Balicki R, Hosmane RS, Leonard NJ. Translocative rearrangements. Generality of the formamidine-induced rearrangement of 4-substituted 5-amino-4-cyano-4H-imidazoles Journal of Organic Chemistry. 48: 3-7. DOI: 10.1021/Jo00149A002  1
1983 D'Alarcao M, Leonard NJ. Synthesis and transilience of a 1,3-diazabiphenylene Journal of the American Chemical Society. 105: 5958-5960. DOI: 10.1021/Ja00356A063  1
1983 Gonnella NC, Nakanishi H, Holtwick JB, Horowitz DS, Kanamori K, Leonard NJ, Roberts JD. Studies of tautomers and protonation of adenine and its derivatives by nitrogen-15 nuclear magnetic resonance spectroscopy Journal of the American Chemical Society. 105: 2050-2055. DOI: 10.1021/Ja00345A063  1
1983 HOSMANE RS, ROSSMAN MA, LEONARD NJ. ChemInform Abstract: SYNTHESIS AND STRUCTURE OF TRI-S-TRIAZINE Chemischer Informationsdienst. 14. DOI: 10.1002/chin.198301273  0.01
1982 Rosendahl MS, Leonard NJ, DeLuca M. Dimensional probing of the ATP binding site on firefly luciferase. Photochemistry and Photobiology. 35: 857-61. PMID 7122706 DOI: 10.1111/j.1751-1097.1982.tb02659.x  1
1982 Rosendahl MS, Leonard NJ. beta, gamma-Peroxy analogs of adenosine and guanosine triphosphate: synthesis and biological activity. Science (New York, N.Y.). 215: 81-2. PMID 7053563 DOI: 10.1126/Science.7053563  1
1982 Rosendahl MS, Omann GM, Leonard NJ. Synthesis and biological activity of a profluorescent analogue of coenzyme B12. Proceedings of the National Academy of Sciences of the United States of America. 79: 3480-4. PMID 7048307 DOI: 10.1073/pnas.79.11.3480  1
1982 Haines DR, Leonard NJ, Wiemer DF. Syntheses and structure assignments of six azolinone ribonucleosides Journal of Organic Chemistry. 47: 474-482. DOI: 10.1021/Jo00342A020  1
1982 Hosmane RS, Rossman MA, Leonard NJ. Synthesis and structure of tri-s-triazine Journal of the American Chemical Society. 104: 5497-5499. DOI: 10.1021/Ja00384A046  1
1982 Czarnik AW, Leonard NJ. Foreshortened nucleotide analogues as potential base-pairing complements for lin-benzoadenosine Journal of the American Chemical Society. 104: 2624-2631. DOI: 10.1021/Ja00373A047  1
1982 Moder KP, Leonard NJ. Defined dimensional alterations in enzyme substrates. Synthesis and enzymatic evaluation of some lin-naphthopurines Journal of the American Chemical Society. 104: 2613-2624. DOI: 10.1021/Ja00373A046  1
1982 Hosmane RS, Bakthavachalam V, Leonard NJ. 5-Methyladenine: A transient intermediate in a translocative rearrangement Journal of the American Chemical Society. 104: 235-239. DOI: 10.1021/Ja00365A043  1
1982 Leonard NJ. Dimensional probes of enzyme-coenzyme binding sites Accounts of Chemical Research. 15: 128-135. DOI: 10.1021/ar00077a001  1
1982 MODER KP, LEONARD NJ. ChemInform Abstract: DEFINED DIMENSIONAL ALTERATIONS IN ENZYME SUBSTRATES. SYNTHESIS AND ENZYMIC EVALUATION OF SOME LIN-NAPHTHOPURINES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198233213  0.01
1982 Holtwick JB, Leonard NJ. Guanine Analogs. Allyl-Substituted Aminoimidazo(1,5-A)-1,3,5-Triazinones Formed By Cyclization-Rearrangement Cheminform. 13. DOI: 10.1002/Chin.198204248  1
1981 Melhado LL, Jones AM, Leonard NJ, Vanderhoef LN. Azido auxins: synthesis and biological activity of fluorescent photoaffinity labeling agents. Plant Physiology. 68: 469-75. PMID 16661939 DOI: 10.1104/Pp.68.2.469  1
1981 Vold BS, Leonard NJ. Production and characterization of antibodies and establishment of a radioimmunoassay for ribosylzeatin. Plant Physiology. 67: 401-403. PMID 16661682 DOI: 10.1104/Pp.67.3.401  0.08
1981 Barrio Mdel C, Scopes DI, Holtwick JB, Leonard NJ. Syntheses of all singly labeled [N]adenines: Mass spectral fragmentation of adenine. Proceedings of the National Academy of Sciences of the United States of America. 78: 3986-8. PMID 16593042 DOI: 10.1073/Pnas.78.7.3986  1
1981 Leonard NJ, Rosendahl MS. Synthesis and biological activity of the peroxy-ATP analogue, adenylyl 5'-peroxydiphosphate. Nucleic Acids Symposium Series. 141-4. PMID 7301596  1
1981 Chwang AK, Sundaralingam M, Leonard NJ. Structure of 6-(2-phenethyl)purine, a synthetic cytokinin Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 37: 294-296. DOI: 10.1107/S0567740881002847  0.04
1981 Moder KP, Duesler EN, Leonard NJ. Structure of 3,4-bis(trimethylsilyl)bicyclo[4.2.0]octa-1,3,5-triene Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 37: 289-291. DOI: 10.1107/S0567740881002823  0.01
1981 Hosmane RS, Leonard NJ. Simple Convenient Synthesis of 1-Methylcytosine Synthesis. 1981: 118-119. DOI: 10.1055/S-1981-29352  0.01
1981 Helfer DL, Hosmane RS, Leonard NJ. Selective alkylation and aralkylation of cytosine at the 1-position Journal of Organic Chemistry. 46: 4803-4804. DOI: 10.1021/Jo00336A042  1
1981 Lessor RA, Leonard NJ. Synthesis of 2′-deoxynucleosides by deoxygenation of ribonucleosides Journal of Organic Chemistry. 46: 4300-4301. DOI: 10.1021/Jo00334A043  1
1981 Holtwick JB, Leonard NJ. Guanine analogues. Allyl-substituted aminoimidazo[1,5-a]-1,3,5-triazinones formed by cyclization-rearrangement Journal of Organic Chemistry. 46: 3681-3685. DOI: 10.1021/Jo00331A020  1
1981 Hosmane RS, Leonard NJ. Chemical modification of nucleic acid components: Reactions of cytosine, cytidine, isocytosine, and adenine with methyl N-cyanomethanimidate Journal of Organic Chemistry. 46: 1457-1465. DOI: 10.1021/Jo00320A043  1
1981 Roberts JD, Sullivan GR, Pang PP, Leonard NJ. Nitrogen-15 nuclear magnetic resonance spectroscopy of 5-azacytidine Journal of Organic Chemistry. 46: 1014-1016. DOI: 10.1021/Jo00318A034  1
1981 Czarnik AW, Leonard NJ. Confirmation of the structure of the guanine-methylmalondialdehyde reaction product by unequivocal synthesis Journal of Organic Chemistry. 46: 815-819. DOI: 10.1021/Jo00317A037  1
1981 Abe A, Nee M, Roberts JD, Wittenberg WL, Leonard NJ. Assignment of the nitrogen-15 nuclear magnetic resonances of biotin and unequivocal synthesis of (+)-[1-15N]biotin Journal of the American Chemical Society. 103: 4954-4956. DOI: 10.1021/Ja00406A054  1
1981 ABE A, NEE M, ROBERTS JD, WITTENBERG WL, LEONARD NJ. ChemInform Abstract: ASSIGNMENT OF THE NITROGEN-15 NUCLEAR MAGNETIC RESONANCES OF BIOTIN AND UNEQUIVOCAL SYNTHESIS OF (+)-(1-15N)BIOTIN Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198146345  1
1981 ROBERTS JD, SULLIVAN GR, PANG PP, LEONARD NJ. ChemInform Abstract: NITROGEN-15 NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY OF 5-AZACYTIDINE Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198129065  1
1980 Czarnik AW, Leonard NJ. Unequivocal assignment of the skeletal structure of the guanine-glyoxal adduct Journal of Organic Chemistry. 45: 3514-3517. DOI: 10.1021/Jo01305A031  1
1980 Foster RH, Leonard NJ. Synthesis of prox-benzoisoallopurinol Journal of Organic Chemistry. 45: 3072-3077. DOI: 10.1021/Jo01303A027  1
1980 Sattsangi PD, Barrio JR, Leonard NJ. 1,N6-etheno-bridged adenines and adenosines. Alkyl substitution, fluorescence properties, and synthetic applications Journal of the American Chemical Society. 102: 770-774. DOI: 10.1021/Ja00522A055  1
1980 Melhado LL, Pearce CJ, d'Alarcao M, Leonard NJ. Specifically deuterated and tritiated auxins Phytochemistry. 21: 2879-2885. DOI: 10.1016/0031-9422(80)85060-6  1
1980 SATTSANGI PD, BARRIO JR, LEONARD NJ. ChemInform Abstract: 1,N6-ETHENO-BRIDGED ADENINES AND ADENOSINES. ALKYL SUBSTITUTION, FLUORESCENCE PROPERTIES, AND SYNTHETIC APPLICATIONS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198017304  0.01
1979 Mornet R, Theiler JB, Leonard NJ. Active cytokinins: photoaffinity labeling agents to detect binding. Plant Physiology. 64: 600-10. PMID 16661017 DOI: 10.1104/Pp.64.4.600  1
1979 Leonard NJ, Keyser GE. Synthesis of fluorescent nucleotide analogues: 5'-mono-, di-, and triphosphates of linear-benzoguanosine, linear-benzoinosine, and linear-benzoxanthosine. Proceedings of the National Academy of Sciences of the United States of America. 76: 4262-4. PMID 291962 DOI: 10.1073/Pnas.76.9.4262  1
1979 VanDerLijn P, Barrio JR, Leonard NJ. Inhibition of adenylate kinase by P1-(lin-benzo-5'-adenosyl)-P4-(5'-adenosyl) tetraphosphate and P1-(lin-benzo-5'-adenosyl)-P5-(5'-adenosyl pentaphosphate. Biochemistry. 18: 5557-61. PMID 229895 DOI: 10.1021/Bi00592A005  1
1979 Fujii T, Walker GC, Leonard NJ. 3-Substituted adenines. In vitro enzyme inhibition and antiviral activity. Journal of Medicinal Chemistry. 22: 125-9. PMID 218008 DOI: 10.1021/JM00188A003  1
1979 J. Leonard N. Dimensional Probes of Enzyme Binding Sites: Synthesis and Biological Activity Heterocycles. 12: 129. DOI: 10.3987/R-1979-01-0129  0.01
1979 Holtwick JB, Golankiewicz B, Holmes BN, Leonard NJ. Guanine, hypoxanthine, and xanthine analogues. Synthesis of imidazo[1,5-a]-1,3,5-triazinones via rearrangement Journal of Organic Chemistry. 44: 3835-3839. DOI: 10.1021/Jo01336A019  1
1979 Keyser GE, Leonard NJ. Synthesis of lin-benzoinosine, lin-benzoxanthosine, and lin -benzoguanosine Journal of Organic Chemistry. 44: 2989-2994. DOI: 10.1021/Jo01331A008  1
1979 Golankiewicz B, Holtwick JB, Holmes BN, Duesler EN, Leonard NJ. Synthesis of imidazo[1,5-a]-1,3,5-triazinones by cyclization-rearrangement Journal of Organic Chemistry. 44: 1740-1742. DOI: 10.1021/Jo01324A045  1
1979 Leonard NJ, Bryant JD. Regioselective electrophilic reactions on substituted purines. Predominant intermediacy of 6- or 8-purinyl carbanions Journal of Organic Chemistry. 44: 4612-4616. DOI: 10.1021/Jo00393A033  1
1979 Foster RH, Leonard NJ. Synthesis of lin-benzoallopurinol Journal of Organic Chemistry. 44: 4609-4611. DOI: 10.1021/Jo00393A032  1
1979 Liu FT, Leonard NJ. Avidin-biotin interaction. Synthesis, oxidation, and spectroscopic properties of linked models Journal of the American Chemical Society. 101: 996-1005. DOI: 10.1021/Ja00498A034  1
1979 Leonard NJ. Trimethylene bridges as synthetic spacers for the detection of intramolecular interactions Accounts of Chemical Research. 12: 423-429. DOI: 10.1021/ar50144a001  1
1979 KEYSER GE, LEONARD NJ. ChemInform Abstract: SYNTHESIS OF LIN-BENZOINOSINE, LIN-BENZOXANTHOSINE, AND LIN-BENZOGUANOSINE Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197951245  0.01
1979 Golankiewicz B, Holtwick JB, Holmes BN, Duesler EN, Leonard NJ. Synthesis Of Imidazo(1,5-A)-1,3,5-Triazinones By Cyclization-Rearrangement Cheminform. 10. DOI: 10.1002/Chin.197937235  1
1979 Barrio JR, Liu FT, Keyser GE, VanDerLijn P, Leonard NJ. lin-benzoadenine nucleotides. Inter- and intramolecular interactions in aqueous solutions as observed by proton magnetic resonance Journal of the American Chemical Society. 101: 1564-1569. DOI: 10.1002/Chin.197926368  1
1979 BARRIO JR, LIU F, KEYSER GE, VANDERLIJN P, LEONARD NJ. ChemInform Abstract: LIN-BENZOADENINE NUCLEOTIDES. INTER- AND INTRAMOLECULAR INTERACTIONS IN AQUEOUS SOLUTIONS AS OBSERVED BY PROTON MAGNETIC RESONANCE Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197926368  0.01
1979 LIU F, LEONARD NJ. ChemInform Abstract: AVIDIN-BIOTIN INTERACTION. SYNTHESIS, OXIDATION, AND SPECTROSCOPIC PROPERTIES OF LINKED MODELS Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197921236  0.01
1978 Vanderlijn P, Barrio JR, Leonard NJ. Spectroscopic sensitivity of linear-benzoadenine nucleotides to divalent metal counterions, side chain conformations, micelles, and enzymes. Proceedings of the National Academy of Sciences of the United States of America. 75: 4204-8. PMID 16592561 DOI: 10.1073/Pnas.75.9.4204  1
1978 Barrio JR, Barrio MC, Leonard NJ, England TE, Uhlenbeck OC. Synthesis of modified nucleoside 3',5'-bisphosphates and their incorporation into oligoribonucleotides with T4 RNA ligase. Biochemistry. 17: 2077-81. PMID 667013 DOI: 10.1021/Bi00604A009  1
1978 VanDerLijn P, Barrio JR, Leonard NJ. Allosteric activation of aspartate transcarbamylase with a fluorescent nucleotide analogue: linear-benzo-ATP. The Journal of Biological Chemistry. 253: 8694-6. PMID 363707  1
1978 Schmidt MJ, Truex LL, Leonard NJ, Scopes DI, Barrio JR. Effect of lin-benzoadenosine and lin-benzoadenosine 3':5'-monophosphate on cyclic AMP-dependent protein kinase activity in vitro. Journal of Cyclic Nucleotide Research. 4: 201-7. PMID 214462  1
1978 Kauffman RF, Lardy HA, Barrio JR, Bario MC, Leonard NJ. Dimensional probes of the enzyme binding sites of adenine nucleotides. Interaction of lin-benzoadenosine 5'-di- and triphosphate with mitochondrial ATP synthetase, purified ATPase, and the adenine nucleotide carrier. Biochemistry. 17: 3686-92. PMID 212101 DOI: 10.1021/Bi00611A002  1
1978 Leonard NJ, Scopes DI, VanDerLijn P, Barrio JR. Dimensional probes of the enzyme binding sites of adenine nucleotides. Biological effects of widening the adenine ring by 2.4 A. Biochemistry. 17: 3677-85. PMID 212100 DOI: 10.1021/bi00611a001  1
1978 Dreyfuss G, Schwartz K, Blout ER, Barrio JR, Liu FT, Leonard NJ. Fluorescent photoaffinity labeling: adenosine 3',5'-cyclic monophosphate receptor sites. Proceedings of the National Academy of Sciences of the United States of America. 75: 1199-203. PMID 206888 DOI: 10.1073/Pnas.75.3.1199  1
1978 Holmes BN, Leonard NJ. Rearrangement of cinnamyl groups from O6 to C-8 in the guanine series The Journal of Organic Chemistry. 43: 516-518. DOI: 10.1021/Jo00397A030  0.01
1978 Bryant JD, Leonard NJ. Photoproducts of thymine and uracil. Syntheses of the four bipyrimidine combinations The Journal of Organic Chemistry. 43: 511-516. DOI: 10.1021/Jo00397A029  0.01
1978 SATTSANGI PD, LEONARD NJ, FRIHART CR. ChemInform Abstract: 1,N2-ETHENOGUANINE AND N2,3-ETHENOGUANINE. SYNTHESIS AND COMPARISON OF THE ELECTRONIC SPECTRAL PROPERTIES OF THESE LINEAR AND ANGULAR TRIHETEROCYCLES RELATED TO THE Y BASES Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197803255  0.01
1977 Scopes DI, Barrio JR, Leonard NJ. Defined dimensional changes in enzyme cofactors: fluorescent "stretched-out" analogs of adenine nucleotides. Science (New York, N.Y.). 195: 296-8. PMID 188137 DOI: 10.1126/science.188137  1
1977 Sattsangi PD, Leonard NJ, Frihart CR. 1,N2-ethenoguanine and N2,3-ethenoguanine. Synthesis and comparison of the electronic spectral properties of these linear and angular triheterocycles related to the Y bases. The Journal of Organic Chemistry. 42: 3292-6. PMID 20490 DOI: 10.1002/Chin.197803255  1
1977 ITAYA T, TANAKA F, FUJII T, LEONARD NJ. An improved procedure for the synthesis of 1-alkyladenines: Removal of the ribofuranosyl group from 1-benzyl-, 1-(3-methyl-2-butenyl)-, and 1-allyladenosine hydrobromide in acetic acid. Chemical & Pharmaceutical Bulletin. 25: 1449-1452. DOI: 10.1002/Chin.197742227  0.01
1977 THOMAS RW, LEONARD NJ. ChemInform Abstract: EXAMPLES OF THE USE OF FLUORESCENT HETEROCYCLES IN CHEMISTRY AND BIOLOGY Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197717048  0.01
1977 KEYSER GE, LEONARD NJ. ChemInform Abstract: LINEAR BENZOGUANINE. SYNTHESIS BY TWO INDEPENDENT METHODS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197707222  0.01
1977 BARRIO JR, SATTSANGI PD, GRUBER BA, DAMMANN LG, LEONARD NJ. ChemInform Abstract: SPECIES RESPONSIBLE FOR THE FLUORESCENCE OF 3,N4-ETHENOCYTIDINE Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197706052  0.01
1976 Theiler JB, Leonard NJ. Photoaffinity-labeled Cytokinins: Synthesis and Biological Activity. Plant Physiology. 58: 803-5. PMID 16659772 DOI: 10.1104/Pp.58.6.803  1
1976 Armstrong DJ, Scarbrough E, Skoog F, Cole DL, Leonard NJ. Cytokinins in Corynebacterium fascians Cultures Isolation and Identification of 6-(4-Hydroxy-3-methyl-cis-2-butenylamino)-2-methylthiopurine Plant Physiology. 58: 749-752. PMID 16659759 DOI: 10.1104/Pp.58.6.749  1
1976 Holmes BN, Leonard NJ. Allylic rearrangement from O6 to N-3 and N-7 of guanine blocked at C-8. The Journal of Organic Chemistry. 41: 568-71. PMID 1245913 DOI: 10.1002/Chin.197619285  1
1976 Moschel RC, Leonard NJ. Fluorescent modification of guanine. Reaction with substituted malondialdehydes. The Journal of Organic Chemistry. 41: 294-300. PMID 1245904 DOI: 10.1002/Chin.197618277  0.01
1976 Barrio JR, Sattsangi PD, Gruber BA, Dammann LG, Leonard NJ. Species responsible for the fluorescence of 3,N4-ethenocytidine. Journal of the American Chemical Society. 98: 7408-14. PMID 977872 DOI: 10.1002/Chin.197706052  1
1976 Leonard NJ, Sprecker MA, Morrice AG. Defined dimensional changes in enzyme substrates and cofactors. Synthesis of lin-benzoadenosine and enzymatic evaluation of derivatives of the benzopurines. Journal of the American Chemical Society. 98: 3987-94. PMID 819479 DOI: 10.1002/Chin.197638271  1
1976 Dorée M, Guerrier P, Leonard NJ. Hormonal control of meiosis: specificity of the 1-methyladenine receptors in starfish oocytes. Proceedings of the National Academy of Sciences of the United States of America. 73: 1669-73. PMID 179094 DOI: 10.1073/Pnas.73.5.1669  0.01
1976 Keyser GE, Leonard NJ. Linear benzoguanine. Synthesis by two independent methods The Journal of Organic Chemistry. 41: 3529-3532. DOI: 10.1021/Jo00884A008  0.01
1976 Wiemer DF, Scopes DIC, Leonard NJ. Nitrogen-15-carbon-13 coupling for determination of the site of N-alkylation of nitrogen heterocycles. linear-Benzopurines The Journal of Organic Chemistry. 41: 3051-3053. DOI: 10.1021/Jo00880A037  0.01
1976 Wiemer DF, Leonard NJ. Aralkylation of potassium ethylnitrosolate. Ring closure of nitrosolic acid esters The Journal of Organic Chemistry. 41: 2985-2988. DOI: 10.1021/Jo00880A013  0.01
1976 Leonard NJ, Wiemer DF. Synthesis of cytosine radiolysis products: cis- and trans-1-carbamoyl-4,5-dihydroxyimidazolidin-2-one Journal of the American Chemical Society. 98: 8218-8221. DOI: 10.1021/Ja00441A055  0.01
1976 Sprecker MA, Morrice AG, Gruber BA, Leonard NJ, Schmitz RY, Skoog F. Fluorescent cytokinins: Stretched-out analogs of N6-benzyladenine and N6-(Δ2-isopentenyl) adenine Phytochemistry. 15: 609-613. DOI: 10.1016/S0031-9422(00)94403-0  0.01
1976 Scopes DI, Zarnack E, Leonard NJ, Scmith RY, Skoog F. Alternative routes for the genesis of kinetin: A synthetic intramolecular route from 2′-deoxyadenosine to kinetin Phytochemistry. 15: 1523-1526. DOI: 10.1016/S0031-9422(00)88929-3  0.01
1976 Greenfield JC, Leonard NJ, Nystrom RF. Preparation of chloroacetaldehyde‐l‐14C and its reaction with adenine and cytosine nucleotides Journal of Labelled Compounds and Radiopharmaceuticals. 12: 545-550. DOI: 10.1002/Jlcr.2580120410  1
1976 LEONARD NJ, SPRECKER MA, MORRICE AG. ChemInform Abstract: DEFINED DIMENSIONAL CHANGES IN ENZYME SUBSTRATES AND COFACTORS. SYNTHESIS OF LIN-BENZOADENOSINE AND ENZYMIC EVALUATION OF DERIVATIVES OF THE BENZOPURINES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197638271  0.04
1975 Leonard NJ, Greenfield JC. Photoaffinity-labeled Auxins: Synthesis and Biological Activity. Plant Physiology. 55: 1057-61. PMID 16659209 DOI: 10.1104/Pp.55.6.1057  1
1975 Mutai K, Gruber BA, Leonard NJ. Synthetic spectroscopic models. Intramolecular stacking interactions between indole and connected nucleic acid bases. Hypochromism and fluorescence. Journal of the American Chemical Society. 97: 4095-4104. PMID 1159212 DOI: 10.1021/Ja00847A038  1
1975 Morrice AG, Sprecker MA, Leonard NJ. The angular benzoadenines. 9-Aminoimidazo[4,5-f]quinazoline and 6-aminoimidazo [4,5-h]quinazoline. The Journal of Organic Chemistry. 40: 363-6. PMID 1133620 DOI: 10.1021/Jo00891A022  1
1975 Leonard NJ, Morrice AG, Sprecker MA. Linear benzoadenine. A stretched-out analog of adenine. Journal of Organic Chemistry. 40: 356-363. PMID 1133619 DOI: 10.1021/Jo00891A021  1
1975 Leonard NJ, Tolman GL. Fluorescent nucleosides and nucleotides. Annals of the New York Academy of Sciences. 255: 43-58. PMID 1103688 DOI: 10.1111/J.1749-6632.1975.Tb29212.X  1
1975 White BN, Dunn R, Gillam I, Tener GM, Armstrong DJ, Skoog F, Frihart CR, Leonard NJ. An analysis of five serine transfer ribonucleic acids from Drosophila. The Journal of Biological Chemistry. 250: 515-21. PMID 803967  1
1975 Leonard NJ, Henderson TR. Purine ring rearrangements leading to the development of cytokinin activity. Mechanism of the rearrangement of 3-benzyladenine to N6-benzyladenine. Journal of the American Chemical Society. 97: 4990-9. PMID 240878 DOI: 10.1002/Chin.197544405  1
1975 Greenfield JC, Leonard NJ, Gumport RI. Nicotinamide 3,N4-ethenocytosine dinucleotide, an analog of nicotinamide adenine dinucleotide. Synthesis and enzyme studies. Biochemistry. 14: 698-706. PMID 234741 DOI: 10.1021/Bi00675A009  1
1975 Gruber BA, Leonard NJ. Dynamic and static quenching of 1,N6-ethenoadenine fluorescence in nicotinamide 1,N6-ethenoadenine dinucleotide and in 1,N6-etheno-9-(3-(indol-3-yl) propyl) adenine. Proceedings of the National Academy of Sciences of the United States of America. 72: 3966-9. PMID 172889 DOI: 10.1073/Pnas.72.10.3966  1
1975 Schmitz RY, Skoog F, Vincze A, Walker GC, Kirkegaard LH, Leonard NJ. Comparison of cytokinin activities of the base, ribonucleoside and 5′- and cyclic-3′,5′-monophosphate ribonucleotides of N6-isopentenyl-, N6-benzyl or 8-bromo-adenine Phytochemistry. 14: 1479-1484. DOI: 10.1016/0031-9422(75)85335-0  0.01
1975 Anderson TR, Frihart CR, Leonard NJ, Schmitz RY, Skoog F. Cytokinins with different connecting links between purine and isopentenyl or benzyl groups Phytochemistry. 14: 1687-1690. DOI: 10.1016/0031-9422(75)85274-5  0.01
1975 MUTAI K, GRUBER BA, LEONARD NJ. ChemInform Abstract: SYNTHETIC SPECTROSCOPIC MODELS PART 14, INTRAMOLECULAR STACKING INTERACTIONS BETWEEN INDOLE AND CONNECTED NUCLEIC ACID BASES, HYPOCHROMISM AND FLUORESCENCE Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197539076  0.01
1975 LEONARD NJ, MORRICE AG, SPRECKER MA. ChemInform Abstract: LINEAR BENZOADENINE, A STRETCHED-OUT ANALOG OF ADENINE Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197519292  0.01
1975 MORRICE AG, SPRECKER MA, LEONARD NJ. ChemInform Abstract: THE ANGULAR BENZOADENINES, 9-AMINOIMIDAZO(4,5-F)QUINAZOLINE AND 6-AMINOIMIDAZO(4,5-H)QUINAZOLINE Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197519291  0.01
1974 Walker GC, Leonard NJ. The mode of incorporation of 6-benzylaminopurine into tobacco callus transfer ribonucleic Acid: a double labeling determination. Plant Physiology. 54: 737-43. PMID 16658962 DOI: 10.1104/Pp.54.5.737  1
1974 Cohn WE, Leonard NJ, Wang SY. Abbreviations for pyrimidine photoproducts. Photochemistry and Photobiology. 19: 89-94. PMID 4819958 DOI: 10.1111/j.1751-1097.1974.tb06482.x  0.08
1974 Wiemer DF, Leonard NJ. Site of N-amination of adenine and alkyladenines. The Journal of Organic Chemistry. 39: 3438-40. PMID 4427190 DOI: 10.1002/Chin.197511332  1
1974 Leonard NJ, Cundall RL. Stereochemically controlled photoreactions between two thymine rings. Journal of the American Chemical Society. 96: 5904-10. PMID 4415889 DOI: 10.1021/Ja00825A030  1
1974 Leonard NJ, Frihart CR. Intramolecular mechanism of the allylic rearrangement from O6 to C-8 in the guanine series. Double labeling experiments. Journal of the American Chemical Society. 96: 5894-903. PMID 4413962 DOI: 10.1002/Chin.197446139  1
1974 Tolman GL, Barrio JR, Leonard NJ. Chloroacetaldehyde-modified dinucleoside phosphates. Dynamic fluorescence quenching and quenching due to intramolecular complexation. Biochemistry. 13: 4869-78. PMID 4373039 DOI: 10.1021/Bi00721A001  1
1974 Spencer RD, Weber G, Tolman GL, Barrio JR, Leonard NJ. Species responsible for the fluorescence of 1:N6-ethenoadenosine. European Journal of Biochemistry / Febs. 45: 425-9. PMID 4137201 DOI: 10.1111/J.1432-1033.1974.Tb03566.X  1
1974 Barrio MDC, Barrio J, Walker G, Novelli A, Leonard N. Additions and Corrections - 2,4,6-Trisubstituted Pyridines. Synthesis, Fluorescence, and Scintillator Properties. Journal of the American Chemical Society. 96: 1643-1643. DOI: 10.1021/Ja00812A606  0.01
1974 Vreman HJ, Schmitz RY, Skoog F, Playtis AJ, Frihart CR, Leonard NJ. Synthesis of 2-methylthio-cis- and trans-ribosylzeatin and their isolation from Pisum tRNA Phytochemistry. 13: 31-37. DOI: 10.1016/S0031-9422(00)91263-9  0.01
1974 Leonard NJ. Chemistry of the Cytokinins Recent Advances in Phytochemistry. 7: 21-56. DOI: 10.1016/B978-0-12-612407-1.50008-6  0.01
1974 LEONARD NJ, CUNDALL RL. ChemInform Abstract: SYNTHETIC SPECTROSCOPIC MODELS RELATED TO COENZYMES AND BASE PAIRS PART 13, STEREOCHEMICALLY CONTROLLED PHOTOREACTIONS BETWEEN TWO THYMINE RINGS Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/Chin.197446317  0.01
1974 Dammann LG, Leonard NJ, Y.Schmitz R, Skoog F. Cytokinins: Synthesis of 2-, 8-, and 2,8-substituted 6-(3-methyl-2-butenylamino)purines and their relative activities in promoting cell growth Phytochemistry. 13: 329-336. DOI: 10.1002/Chin.197422315  0.01
1974 DAMMANN LG, LEONARD NJ, SCHMITZ RY, SKOOG F. ChemInform Abstract: CYTOKININS, SYNTHESIS OF 2-, 8- AND 2,8-SUBSTITUTED 6-(3-METHYL-2-BUTENYLAMINO)PURINS AND THEIR RELATIVE ACTIVITIES IN PROMOTING CELL GROWTH Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/chin.197422315  0.01
1973 Scarbrough E, Armstrong DJ, Skoog F, Frihart CR, Leonard NJ. Isolation of cis-Zeatin from Corynebacterium fascians Cultures. Proceedings of the National Academy of Sciences of the United States of America. 70: 3825-9. PMID 16592126 DOI: 10.1073/Pnas.70.12.3825  1
1973 Deluca M, Leonard NJ, Gates BJ, McElroy WD. The Role of 1N-Ethenoadenosine Triphosphate and 1N-Ethenoadenosine Monophosphate in Firefly Luminescence. Proceedings of the National Academy of Sciences of the United States of America. 70: 1664-6. PMID 16592090 DOI: 10.1073/pnas.70.6.1664  1
1973 Barrio JR, Secrist JA, Chien Y, Jo Taylor P, Robinson JL, Leonard NJ. Interactions of fluorescent analogs of adenine nucleotides with pyruvate kinase. Febs Letters. 29: 215-218. PMID 11946916 DOI: 10.1016/0014-5793(73)80022-5  1
1973 Frihart CR, Leonard NJ. Allylic rearrangement from O6 to C-8 in the guanine series. Journal of the American Chemical Society. 95: 7174-5. PMID 4789146 DOI: 10.1021/Ja00802A055  1
1973 Leonard NJ, Ito K. Controlled interaction between nucleic acid bases. Intramolecular stacking interactions between two adenine rings. Journal of the American Chemical Society. 95: 4010-6. PMID 4710059 DOI: 10.1021/Ja00793A030  0.01
1973 Leonard NJ, McCredie RS, Logue MW, Cundall RL. Solid state ultraviolet irradiation of 1,1'-trimethylenebisthymine and photosensitized irradiation of 1,1'-polymethylenebisthymines. Journal of the American Chemical Society. 95: 2320-4. PMID 4709235 DOI: 10.1021/Ja00788A036  1
1973 Vincze A, Henderson RE, McDonald JJ, Leonard NJ. Reaction of diethyl pyrocarbonate with nucleic acid components. Bases and nucleosides derived from guanine, cytosine, and uracil. Journal of the American Chemical Society. 95: 2677-82. PMID 4694530 DOI: 10.1021/Ja00789A045  1
1973 Barrio JR, Dammann LG, Kirkegaard LH, Switzer RL, Leonard NJ. Enzymatic activity and - 32 P labeling of fluorescent derivatives of cytidine triphosphate and adenosine triphosphate. Journal of the American Chemical Society. 95: 961-2. PMID 4688662 DOI: 10.1021/Ja00784A075  1
1973 Barrio JR, Leonard NJ. Specific and fluorescent modifications of cytidine. Journal of the American Chemical Society. 95: 1323-8. PMID 4687685 DOI: 10.1021/Ja00785A051  1
1973 Barrio JR, Tolman GL, Leonard NJ, Spencer RD, Weber G. Flavin 1, N 6 -ethenoadenine dinucleotide: dynamic and static quenching of fluorescence. Proceedings of the National Academy of Sciences of the United States of America. 70: 941-3. PMID 4515004 DOI: 10.1073/Pnas.70.3.941  1
1973 Henderson RE, Kirkegaard LH, Leonard NJ. Reaction of diethyl pyrocarbonate with nucleic acid components. Adenosine-containing nucleotides and dinucleoside phosphates. Biochimica Et Biophysica Acta. 294: 356-64. PMID 4350313 DOI: 10.1016/0005-2787(73)90090-7  1
1973 Del Carmen M, Barrio G, Barrio JR, Walker G, Novelli A, Leonard NJ. 2,4,6-Trisubstituted pyridines. Synthesis, fluorescence, and scintillator properties Journal of the American Chemical Society. 95: 4891-4895. DOI: 10.1021/Ja00796A021  0.01
1973 Frihart CR, Leonard NJ. Allylic Rearrangement From O6 To C‐8 In The Guanine Series Cheminform. 4. DOI: 10.1002/Chin.197352363  1
1973 LEONARD NJ, ITO K. ChemInform Abstract: SYNTHETIC SPECTROSCOPIC MODELS RELATED TO COENZYMES AND BASE PAIRS PART 12, CONTROLLED INTERACTION BETWEEN NUCLEIC ACID BASES, INTRAMOLECULAR STACKING INTERACTIONS BETWEEN TWO ADENINE RINGS Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197333430  0.01
1973 VINCZE A, HENDERSON REL, MCDONALD JJ, LEONARD NJ. ChemInform Abstract: RK. VON DIAETHYLPYROCARBONAT MIT NUCLEINSAEUREVERBINDUNGEN, BASEN UND NUCLEOSIDE AUS GUANIN, CYTOSIN UND URACIL Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197326463  0.01
1973 LEONARD NJ, MCCREDIE RS, LOGUE MW, CUNDALL RL. ChemInform Abstract: SYNTHETISCHE SPEKTROSKOPISCHE MODELLE FUER COENZYME UND BASEPAARE 11. MITT. UV-BESTRAHLUNG VON 1,1′-TRIMETHYLEN-BISTHYMIN IM FESTEN ZUSTAND UND PHOTOSENSIBILISIERTE BESTRAHLUNG VON 1,1′-POLYMETHYLEN-BISTHYMINEN Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197325179  0.04
1973 BARRIO JR, LEONARD NJ. ChemInform Abstract: SPEZIFISCHE FLUORESZIERENDE MODIFIKATIONEN VON CYTIDIN Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197317076  0.01
1973 BARRIO JR, DAMMANN LG, KIRKEGAARD LH, SWITZER RL, LEONARD NJ. ChemInform Abstract: ENZYMATISCHE AKTIVITAET UND GAMMA-(32)P-MARKIERUNG VON FLUORESZIERENDEN DERIVATEN VON CYTIDIN-TRIPHOSPHAT UND ADENOSIN-TRIPHOSPHAT Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197316487  0.01
1973 BERGSTROM DE, INOUE I, LEONARD NJ. ChemInform Abstract: SYNTH. DES 335 NM-PHOTOPRODUKTES VON CYTOSIN UND 4-THIOURACIL Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/chin.197312303  0.01
1972 Schmitz RY, Skoog F, Playtis AJ, Leonard NJ. Cytokinins: synthesis and biological activity of geometric and position isomers of zeatin. Plant Physiology. 50: 702-705. PMID 16658247 DOI: 10.1104/Pp.50.6.702  1
1972 Schmitz RY, Skoog F, Hecht SM, Leonard NJ. Comparison of Zeatin Indoleacetate with Zeatin and Indoleacetic Acid in the Tobacco Bioassay Plant Physiology. 50: 114-116. PMID 16658104 DOI: 10.1104/Pp.50.1.114  1
1972 Vreman HJ, Skoog F, Frihart CR, Leonard NJ. Cytokinins in Pisum Transfer Ribonucleic Acid Plant Physiology. 49: 848-851. PMID 16658059 DOI: 10.1104/Pp.49.5.848  1
1972 Playtis AJ, Leonard NJ. The synthesis of ribosyl-cis-zeatin and thin layer chromatographic separation of the cis and trans isomers of ribosylzeatin. Biochemical and Biophysical Research Communications. 45: 1-5. PMID 5139923 DOI: 10.1016/0006-291X(71)90041-6  0.01
1972 Burrows WJ, Skoog F, Leonard NJ. Isolation and identification of cytokinins located in the transfer ribonucleic acid of tobacco callus grown in the presence of 6-benzylaminopurine. Biochemistry. 10: 2189-94. PMID 5114982 DOI: 10.1021/bi00788a002  0.08
1972 Leonard NJ, Barrio JR, Secrist JA. A spray reagent for adenine-containing residues: detection by fluorescence. Biochimica Et Biophysica Acta. 269: 531-2. PMID 5039547 DOI: 10.1016/0005-2787(72)90145-1  0.01
1972 Logue MW, Leonard NJ. "Abbreviated" dinucleosides of thymidine and deoxyuridine and their photoproducts. Journal of the American Chemical Society. 94: 2842-6. PMID 5017420 DOI: 10.1021/Ja00763A050  0.01
1972 Bergstrom DE, Inoue I, Leonard NJ. Synthesis of the 335-nm photoproduct of cytosine and 4-thiouracil. The Journal of Organic Chemistry. 37: 3902-5. PMID 4642387 DOI: 10.1021/Jo00797A029  1
1972 Bergstrom DE, Leonard NJ. Structure of the borohydride reduction product of photolinked 4-thiouracil and cytosine. Fluorescent probe of transfer ribonucleic acid tertiary structure. Journal of the American Chemical Society. 94: 6178-82. PMID 4559940 DOI: 10.1021/Ja00772A041  1
1972 Barrio JR, Secrist JA, Leonard NJ. Fluorescent adenosine and cytidine derivatives. Biochemical and Biophysical Research Communications. 46: 597-604. PMID 4550694 DOI: 10.1016/S0006-291X(72)80181-5  0.01
1972 Bergstrom DE, Leonard NJ. Photoreaction of 4-thiouracil with cytosine. Relation to photoreactions in Escherichia coli transfer ribonucleic acids Biochemistry. 11: 1-9. PMID 4550555 DOI: 10.1021/Bi00751A001  1
1972 Secrist JA, Barrio JR, Leonard NJ, Weber G. Fluorescent modification of adenosine-containing coenzymes. Biological activities and spectroscopic properties. Biochemistry. 11: 3499-506. PMID 4340904 DOI: 10.1021/Bi00769A001  1
1972 Barrio JR, Secrist JA, Leonard NJ. A fluorescent analog of nicotinamide adenine dinucleotide. Proceedings of the National Academy of Sciences of the United States of America. 69: 2039-42. PMID 4340748 DOI: 10.1073/Pnas.69.8.2039  1
1972 Secrist JA, Barrio JR, Leonard NJ, Villar-Palasi C, Gilman AG. Fluorescent modification of adenosine 3',5'-monophosphate: spectroscopic properties and activity in enzyme systems. Science (New York, N.Y.). 177: 279-80. PMID 4339302 DOI: 10.1126/Science.177.4045.279  1
1972 Secrist JA, Leonard NJ. Synthetic spectroscopic models related to coenzymes and base pairs. An "abbreviated" nicotinamide adenine dinucleotide. Journal of the American Chemical Society. 94: 1702-6. PMID 4335650 DOI: 10.1021/Ja00760A046  0.01
1972 Secrist JA, Barrio JR, Leonard NJ. Attachment of a fluorescent label to 4-thiouracil and 4-thiouridine. Biochemical and Biophysical Research Communications. 45: 1262-70. PMID 4332594 DOI: 10.1016/0006-291X(71)90154-9  0.01
1972 Craig JH, Huang PC, Scott TG, Leonard NJ. Synthetic spectroscopic models related to coenzymes and base pairs. Quaternized bisnicotinamides. Journal of the American Chemical Society. 94: 5872-9. PMID 4262318 DOI: 10.1021/Ja00771A055  1
1972 Secrist JA, Barrio JR, Leonard NJ. A fluorescent modification of adenosine triphosphate with activity in enzyme systems: 1,N 6 -ethenoadenosine triphosphate. Science (New York, N.Y.). 175: 646-7. PMID 4257930 DOI: 10.1126/Science.175.4022.646  0.01
1972 Coll JC, Crist DR, Barrio MdCG, Leonard NJ. Bicyclo[3.3.3.]undecane and 1-azabicyclo[3.3.3]undecane. Geometry, strain, and spectroscopic behavior of these systems Journal of the American Chemical Society. 94: 7092-7099. DOI: 10.1021/Ja00775A037  0.01
1972 Secrist III J, Leonard N. Additions and Corrections - Synthetic Spectroscopic Models Related to Coenzymes and Base Pairs. An "Abbreviated" Nicotinamide Adenine Dinucleotide Journal of the American Chemical Society. 94: 4401-4401. DOI: 10.1021/Ja00767A608  0.01
1972 Keenan T, Leonard N. Additons and Corrections - Small Charged Rings. XV. Kinetics and Stereochemistry of th Ring Expansion Reaciton of 2-Arylaziridinium Salts with Benzaldehyde. Journal of the American Chemical Society. 94: 2158-2159. DOI: 10.1021/Ja00761A609  0.01
1972 Hecht S, Bock R, Schmitz R, Skoog F, Leonard N, Occolowitz J. Corrections - Question of the Ribosyl Moiety in the Promotion of Callus Growth by Exogenously Added Cytokinins Biochemistry. 11: 1122-1122. DOI: 10.1021/Bi00756A603  0.01
1972 Schmitz RY, Skoog F, Hecht SM, Bock RM, Leonard NJ. Comparison of cytokinin activities of naturally occurring ribonucleosides and corresponding bases Phytochemistry. 11: 1603-1610. DOI: 10.1016/0031-9422(72)85006-4  0.01
1972 SECRIST JAI, BARRIO JR, LEONARD NJ, VILLARD-PALASI C, GILMAN AG. ChemInform Abstract: FLUORESZIERENDE MODIFIKATION VON ADENOSIN-3′,5′-MONOPHOSPHAT, SPEKTROSKOPISCHE EIGENSCHAFTEN UND AKTIVITAET IN ENZYMSYST. Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197251475  0.01
1972 COLL JC, CRIST DR, BARRIO MDCG, LEONARD NJ. ChemInform Abstract: BICYCLO(3,3,3)UNDECAN UND 1-AZABICYCLO(3,3,3)UNDECAN, GEOMETRIE, RINGSPANNUNG UND SPEKTROSKOPISCHER VERHALTEN DIESER SYST. Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197251077  0.01
1972 BERGSTROM DE, LEONARD NJ. ChemInform Abstract: STRUKTUR DES BORHYDRID-RED.-PRODUKTS VON DURCH PHOTORK. VERBUNDENEM THIOURACIL UND CYTOSIN, FLUORESZENZ ALS ERKENNUNGSMERKMAL DER TERTIAER-STRUKTUR VON TRANSFER-RIBONUCLEINSAEURE Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197245461  0.01
1972 CRAIG JH, HUANG PC, SCOTT TG, LEONARD NJ. ChemInform Abstract: MIT COENZYMEN UND BASENPAAREN VERWANDTE SYNTHETISCHE SPEKTROSKOPISCHE MODELLE 10. MITT. QUATERNISIERTE BISNICOTINAMIDE Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197244093  0.01
1972 LOGUE MW, LEONARD NJ. ChemInform Abstract: SYNTHETISCHE SPEKTROSKOPISCHE MODELLE IN BEZIEHUNG ZU COENZYMEN UND BASEN-PAAREN 9. MITT. ′ABGEKUERZTE′ DINUCLEOSIDE VON THYMIDIN UND DESOXY-URIDIN UND IHRE PHOTOPRODUKTE Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197228454  0.01
1972 SECRIST JA, BARRIO JR, LEONARD NJ. ChemInform Abstract: EINE FLUORESZIERENDE MODIFIKATION DES ADENOSINTRIPHOSPHATS MIT AKTIVITAET IN ENZYMSYST., 1,N(6)-AETHENO-ADENOSIN-TRIPHOSPHAT Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197225454  0.01
1972 LEONARD NJ, PLAYTIS AJ. ChemInform Abstract: DIE SYNTH. VON 1-(4-HYDROXY-3-METHYL-CIS-BUT-2-ENYL)-GUANIDIN, DEM NATUERLICH VORKOMMENDEM HYDROXYGALEGIN Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/chin.197219185  0.01
1972 KEENAN TR, LEONARD NJ. ChemInform Abstract: KLEINE GELADENE RINGE 15. MITT. KINETIK UND STEREOCHEMIE DER RINGERWEITERUNGSRK. VON 2-ARYL-AZIRIDINIUMSALZEN MIT BENZALDEHYD Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197207182  0.01
1971 Hecht SM, Bock RM, Schmitz RY, Skoog F, Leonard NJ. Cytokinins: development of a potent antagonist. Proceedings of the National Academy of Sciences of the United States of America. 68: 2608-10. PMID 5289891 DOI: 10.1073/Pnas.68.10.2608  1
1971 Leonard NJ, Bergstrom DE, Tolman GL. Photoproducts from 4-thiouracil and cytosine and from 4-thiouridine and cytidine: Refinement of tertiary tRNA structure Biochemical and Biophysical Research Communications. 44: 1524-1530. PMID 5160710 DOI: 10.1016/S0006-291X(71)80259-0  1
1971 Hecht SM, Bock RM, Schmitz RY, Skoog F, Leonard NJ, Occolowitz JL. Question of the ribosyl moiety in the promotion of callus growth by exogenously added cytokinins. Biochemistry. 10: 4224-8. PMID 5126937 DOI: 10.1021/Bi00799A011  1
1971 Leonard NJ, McDonald JJ, Henderson RE, Reichmann ME. Reaction of diethyl pyrocarbonate with nucleic acid components. Adenosine. Biochemistry. 10: 3335-42. PMID 5118618 DOI: 10.1021/Bi00794A003  1
1971 Keenan TR, Leonard NJ. Small charged rings. XV. Kinetics and stereochemistry of the ring expansion reaction of 2-arylaziridinium salts with benzaldehyde Journal of the American Chemical Society. 93: 6567-6574. DOI: 10.1021/Ja00753A040  0.01
1971 Leonard NJ, Coll JC, Wang AHJ, Missavage RJ, Paul IC. Crystal structure and spectroscopic properties of the 1-azabicyclo[3.3.3]undecane system Journal of the American Chemical Society. 93: 4628-4630. DOI: 10.1021/Ja00747A069  0.01
1971 Leonard NJ, Playtis AJ, Skoog F, Schmitz RY. Stereoselective synthesis of cis-zeatin Journal of the American Chemical Society. 93: 3056-3058. DOI: 10.1021/Ja00741A046  0.01
1971 Leonard N, Coll J. Additions and Corrections - Synthesis and Characterization of Bicyclo[3.3.3]undecane and 1-Azabicyclo[3.3.3]undecane Journal of the American Chemical Society. 93: 287-287. DOI: 10.1021/Ja00730A608  0.01
1971 Schmitz RY, Skoog F, Hecht SM, Leonard NJ. Cytokinins: Synthesis and biological activity of zeatin esters and related compounds Phytochemistry. 10: 275-280. DOI: 10.1016/S0031-9422(00)94040-8  0.12
1971 McDonald JJ, Leonard NJ, Schmitz RY, Skoog F. Cytokinins: Synthesis and biological activity of ureidopurines Phytochemistry. 10: 1429-1439. DOI: 10.1016/0031-9422(71)85004-5  0.01
1971 Leonard NJ, Klainer JA. Small charged rings. XIV. Dimer formation through 2-arylaziridinium salts Journal of Heterocyclic Chemistry. 8: 215-219. DOI: 10.1002/Jhet.5570080206  0.01
1971 LEONARD NJ, COLL JC, WANG AH, MISSAVAGE RJ, PAUL IC. ChemInform Abstract: KRISTALLSTRUKTUR UND SPEKTROSKOPISCHE EIGENSCHAFTEN VON 1-AZA-BICYCLO(3,3,3)UNDECAN-HYDROCHLORID Chemischer Informationsdienst. Organische Chemie. 2. DOI: 10.1002/Chin.197147148  0.01
1971 MCDONALD JJ, LEONARD NJ, SCHMITZ RY, SKOOG F. ChemInform Abstract: CYTOKININE, DIE SYNTH. UND DIE EIGENSCHAFTEN VON UREIDOPURINEN Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197143349  0.01
1971 LEONARD NJ, PLAYTIS AJ, SKOOG F, SCHMITZ RY. ChemInform Abstract: STEREOSELEKTIVE SYNTH. VON CIS-ZEATIN Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197136347  0.01
1971 LEONARD NJ, KLAINER JA. ChemInform Abstract: KLEINE GELADENE RINGE 14. MITT. DIMERBILDUNG UEBER 2-ARYL-AZIRIDINIUM-SALZE Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/chin.197135345  0.01
1971 SCHMITZ RY, SKOOG F, HECHT SM, LEONARD NJ. ChemInform Abstract: CYTOKININE, SYNTH. UND BIOLOGISCHE AKTIVITAET VON ZEATINESTERN UND VERWANDTEN VERBINDUNGEN Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197121268  0.01
1971 LEONARD NJ, DIXON DB, LEONARD NJ, DIXON DB, KEENAN TR. ChemInform Abstract: KLEINE GELADENE RINGE 12. MITT. DIE OEFFNUNG DES AZIRIDINIUM-RINGES DURCH CARBONSAEUREN 13. MITT. ANOMALE RINGEXPANSION POLYCYCLISCHER AZIRIDINIUM-SALZE Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197104288  0.01
1971 LEONARD NJ, COLL JC. ChemInform Abstract: SYNTH. UND CHARAKTERISIERUNG VON BICYCLO(3,3,3)UNDECAN UND 1-AZABICYCLO(3,3,3)UNDECAN Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197103316  0.01
1970 Hecht SM, Bock RM, Leonard NJ, Schmitz RY. Cytokinin activity in tRNA-Phe. Biochemical and Biophysical Research Communications. 41: 435-40. PMID 5518173 DOI: 10.1016/0006-291X(70)90523-1  1
1970 Hecht SM, Gupta AS, Leonard NJ. Mass spectra of ribonucleoside components of tRNA. II. Analytical Biochemistry. 38: 230-51. PMID 5478243 DOI: 10.1016/0003-2697(70)90173-9  1
1970 Burrows WJ, Armstrong DJ, Kaminek M, Skoog F, Bock RM, Hecht SM, Dammann LG, Leonard NJ, Occolowitz J. Isolation and identification of four cytokinins from wheat germ transfer ribonucleic acid. Biochemistry. 9: 1867-72. PMID 5442155 DOI: 10.1021/bi00811a001  1
1970 Armstrong DJ, Evans PK, Burrows WJ, Skoog F, Petit JF, Dahl JL, Steward T, Strominger JL, Leonard NJ, Hecht SM, Occolowitz J. Cytokinins. Activity and identification in Staphylococcus epidermidis transfer ribonucleic acid. The Journal of Biological Chemistry. 245: 2922-6. PMID 5423380  1
1970 Leonard NJ, McDonald JJ, Reichmann ME. Reaction of diethyl pyrocarbonate with nucleic acid components. I. Adenine. Proceedings of the National Academy of Sciences of the United States of America. 67: 93-8. PMID 5272333 DOI: 10.1073/Pnas.67.1.93  1
1970 Iwamura H, Leonard NJ, Eisinger J. Synthetic spectroscopic models related to coenzymes and base pairs. VII. Stacking interactions in tRNA; the "bend" at dimethylguanosine Proceedings of the National Academy of Sciences of the United States of America. 65: 1025-1032. PMID 5266146 DOI: 10.1073/Pnas.65.4.1025  1
1970 Leonard NJ, Rasmussen M. Correction. The Synthesis of 3-β-(3'-Deoxy-D-ribofuranosyl)adenine, and Isomer of Cordycepin The Journal of Organic Chemistry. 35: 4004-4004. DOI: 10.1021/Jo00836A603  0.01
1970 Leonard NJ, Durand DA, Uchimaru F. Correction. Small Charged Rings. X. Expansion of the Aziridinium Ring by Reaction with Nitrones. The Journal of Organic Chemistry. 35: 4004-4004. DOI: 10.1021/Jo00836A602  0.01
1970 Leonard NJ, Dixon DB, Keenan TR. Small charged rings. XIII. Abnormal ring expansion of polycyclic aziridinium salts The Journal of Organic Chemistry. 35: 3488-3494. DOI: 10.1021/Jo00835A066  0.01
1970 Leonard NJ, Dixon DB. Small charged rings. XII. Aziridinium ring opening by carboxylic acids The Journal of Organic Chemistry. 35: 3483-3487. DOI: 10.1021/Jo00835A065  0.01
1970 Leonard NJ, Coll JC. Synthesis and characterization of bicyclo[3.3.3]undecane and 1-azabicyclo[3.3.3]undecane Journal of the American Chemical Society. 92: 6685-6686. DOI: 10.1021/Ja00725A075  0.01
1970 Scott TG, Spencer RD, Leonard NJ, Weber G. Synthetic spectroscopic models related to coenzymes and base pairs. V. Emission properties of NADH. Studies of fluorescence lifetimes and quantum efficiencies of NADH, AcPyADH, [reduced acetylpyridineadenine dinucleotide] and simplified synthetic models Journal of the American Chemical Society. 92: 687-695. DOI: 10.1021/Ja00706A043  0.01
1970 Hecht SM, Leonard NJ, Schmitz RY, Skoog F. Cytokinins: Influence of side-chain planarity of N6-substituted adenines and adenosines on their activity in promoting cell growth Phytochemistry. 9: 1907-1913. DOI: 10.1016/S0031-9422(00)85338-8  0.01
1970 Hecht SM, Leonard NJ, Schmitz RY, Skoog F. Cytokinins: Synthesis and growth-promoting activity of 2-substituted compounds in the N6-isopentenyladenine and zeatin series Phytochemistry. 9: 1173-1180. DOI: 10.1016/S0031-9422(00)85305-4  0.04
1970 HECHT SM, LEONARD NJ, SCHMITZ RY, SKOOG F. ChemInform Abstract: CYTOKININE, SYNTH. UND WACHSTUMSBESCHLEUNIGENDE AKTIVITAET VON 2-SUBSTITUIERTEN VERBINDUNGEN IN DER N(6)-ISOPENTENYLADENIN- UND ZEATINREIHE Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/Chin.197036414  0.04
1970 SCOTT GT, SPENCER RD, LEONARD NJ, WEBER G. ChemInform Abstract: EMISSIONSEIGENSCHAFTEN VON NADH, FLUORESZENZ-LEBENSDAUER UND QUANTENAUSBEUTEN VON NADH, ACPYADH UND EINFACHEN SYNTHETISCHEN MODELLEN Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/Chin.197018002  0.01
1970 LEONARD NJ, SWARINGEN RA. ChemInform Abstract: CYCLISIERUNG VON IN N(6)-STELLUNG SUBSTITUIERTEN ADENINEN ZUR HERST. VON PENTAAZASTEROIDEN Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/chin.197016412  0.01
1970 LEONARD NJ, LAMBERT RF. ChemInform Abstract: SYNTHETISCHE SPEKTROSKOPISCHE MODELLE ZU COENZYMEN UND BASENPAAREN 6. MITT. SYNTH. VON (OMEGA-ARYLALKYL)-6,7-DIMETHYLISOALLOXAZINEN, SPEKTROSKOPISCHE MODELLVERBINDUNGEN ZUM FLAVIN-ADENIN-DINUCLEOTID Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/chin.197008224  0.01
1969 Leonard NJ, Hecht SM, Skoog F, Schmitz RY. Cytokinins: synthesis, mass spectra, and biological activity of compounds related to zeatin. Proceedings of the National Academy of Sciences of the United States of America. 63: 175-82. PMID 16591745 DOI: 10.1073/Pnas.63.1.175  1
1969 Hecht SM, Gupta AS, Leonard NJ. Mass spectra of nucleoside components of tRNA. Analytical Biochemistry. 30: 249-70. PMID 5809667 DOI: 10.1016/0003-2697(69)90396-0  1
1969 Hecht SM, Gupta AS, Leonard NJ. Position of uridine thiation: the identification of minor nucleosides from transfer RNA by mass spectrometry. Biochimica Et Biophysica Acta. 182: 444-8. PMID 5795488 DOI: 10.1016/0005-2787(69)90195-6  1
1969 Hecht SM, Leonard NJ. , Occolowitz J, Burrows WJ, Armstrong DJ, Skoog F, Bock RM, Gillam I, Tener GM: Cytokinins: isolation identification of 6-(3-methyl-2-butenylamino)-9-beta-D-ribyfuranosylpurine (2iPA) from yeast cysteine tRNA. Biochemical and Biophysical Research Communications. 35: 205-9. PMID 5772580 DOI: 10.1016/0006-291X(69)90268-X  1
1969 Hecht SM, Leonard NJ, Burrows WJ, Armstrong DJ, Skoog F, Occolowitz J. Cytokinin of wheat germ transfer RNA: 6-(4-hydroxy-3-methyl-2-butenylamino)-2-methylthio-9-beta-D-ribofuranosylpurine. Science (New York, N.Y.). 166: 1272-4. PMID 5350318 DOI: 10.1126/Science.166.3910.1272  1
1969 Leonard NJ, Iwamura H, Eisinger J. Synthetic spectroscopic models related to coenzymes and base pairs. IV. Stacking interactions in tRNA; the anticodon-adjacent base Proceedings of the National Academy of Sciences of the United States of America. 64: 352-359. PMID 5263017 DOI: 10.1073/Pnas.64.1.352  1
1969 Burrows WJ, Armstrong DJ, Skoog F, Hecht SM, Boyle JT, Leonard NJ, Occolowitz J. The isolation and identification of two cytokinins from Escherichia coli transfer ribonucleic acids. Biochemistry. 8: 3071-6. PMID 4897210 DOI: 10.1021/Bi00835A057  1
1969 Leonard NJ, Swaringen RA. Cyclization of N6-substituted adenines to produce compounds of the pentaaza steroid type The Journal of Organic Chemistry. 34: 3814-3819. DOI: 10.1021/Jo01264A016  0.01
1969 Leonard NJ, Lambert RF. Synthetic spectroscopic models realted to coenzymes and base pairs. VI. Synthesis of (.omega.- aralkyl)-6,7-dimethylisoalloxazines, spectroscopic model compounds related to FAD The Journal of Organic Chemistry. 34: 3240-3248. DOI: 10.1021/Jo01263A005  0.01
1969 Leonard NJ, Sato T. Transannular route for stereospecific synthesis. (+-)-Isoretronecanol The Journal of Organic Chemistry. 34: 1066-1070. DOI: 10.1021/Jo01256A064  0.01
1969 Leonard NJ, Golankiewicz K. Thermolysis of substituted 1-acetoxybenzotriazoles. Carbon-to-oxygen migration of an alkyl group The Journal of Organic Chemistry. 34: 359-365. DOI: 10.1021/Jo01254A022  0.01
1969 Leonard NJ, Golankiewicz K, McCredie RS, Johnson SM, Paul IC. Synthetic spectroscopic models related to coenzymes and base pairs. III. A 1,1'-trimethylene-linked thymine photodimer of cis-syn structure Journal of the American Chemical Society. 91: 5855-5862. DOI: 10.1021/Ja01049A027  0.01
1969 Browne D, Eisinger J, Leonard N. Additions and Corrections - Synthetic Spectroscopic Models Related to Coenzymes and Base Pairs. II. Evidence for Intramolecular Base-Base Interactions in Dinucleotide Analogs. Journal of the American Chemical Society. 91: 4017-4017. DOI: 10.1021/Ja01042A607  0.01
1969 Crist DR, Leonard NJ. Small Charged Heterocycles Angewandte Chemie International Edition in English. 8: 962-974. DOI: 10.1002/anie.196909621  1
1969 Crist DR, Leonard NJ. Kleine geladene Heterocyclen Angewandte Chemie. 81: 953-966. DOI: 10.1002/ange.19690812302  0.01
1968 Leonard NJ, Hecht SM, Skoog F, Schmitz RY. CYTOKININS: SYNTHESIS OF 6-(3-METHYL-3-BUTENYLAMINO)-9-beta-D-RIBOFURANOSYLPURINE (3IPA), AND THE EFFECT OF SIDE-CHAIN UNSATURATION ON THE BIOLOGICAL ACTIVITY OF ISOPENTYLAMINOPURINES AND THEIR RIBOSIDES. Proceedings of the National Academy of Sciences of the United States of America. 59: 15-21. PMID 16591586 DOI: 10.1073/Pnas.59.1.15  1
1968 Grimm WA, Leonard NJ. Synthesis of the "minor nucleotide" N6-(gamma, gamma-dimethylallyl)adenosine 5'-phosphate and relative rates of rearrangement of 1-to N6-dimethylallyl compounds for base, nucleoside, and nucleotide. Biochemistry. 6: 3625-31. PMID 6076616 DOI: 10.1021/Bi00864A001  0.01
1968 Leonard NJ, Sciavolino FC, Nair V. Stereochemistry of the anomers of methyl 2-deoxy-D-ribofuranoside. Synthesis of methyl 5-(6-aminopurin-9-yl)-2,5-dideoxy-alpha-D-ribofuranoside, a "reversed" nucleoside. The Journal of Organic Chemistry. 33: 3169-74. PMID 5742865 DOI: 10.1021/Jo01272A031  1
1968 Browne DT, Eisinger J, Leonard NJ. Synthetic spectroscopic models related to coenzymes and base pairs. II. Evidence for intramolecular base-base interactions in dinucleotide analog. Journal of the American Chemical Society. 90: 7302-23. PMID 5725550 DOI: 10.1021/Ja01028A023  1
1968 Burrows WJ, Armstrong DJ, Skoog F, Hecht SM, Boyle JT, Leonard NJ, Occolowitz J. Cytokinin from soluble RNA of Escherichia coli: 6-(3-methyl-2-butenylamino)-2-methylthio-9-beta-D-ribofuranosylpurine. Science (New York, N.Y.). 161: 691-3. PMID 4874577 DOI: 10.1126/Science.161.3842.691  1
1968 Leonard NJ, Scott TG, Huang PC. Spectroscopic models related to coenzymes and base pairs. I. The basis for hypochromism in the ultraviolet spectra of model systems related to nicotinamide--adenine dinucleotide. Journal of the American Chemical Society. 89: 7137-8. PMID 4294243 DOI: 10.1021/Ja01002A066  0.01
1968 Leonard NJ, Klainer JA. Transannular nitrogen-carbonyl interaction. Generation of an .alpha.-acetoxy quaternary ammonium salt The Journal of Organic Chemistry. 33: 4269-4270. DOI: 10.1021/Jo01275A058  0.01
1968 Leonard NJ, Rasmussen M. Synthesis of 3-(3-deoxy-.beta.-D-erythro-pentofuranosyl)adenine, an isomer of cordycepin The Journal of Organic Chemistry. 33: 2488-2490. DOI: 10.1021/Jo01270A069  0.01
1968 Leonard NJ, Durand DA. Small charged rings. XI. Synthesis and reactions of 1,1,2,2-tetrasubstituted azetidinium salts The Journal of Organic Chemistry. 33: 1322-1333. DOI: 10.1021/Jo01268A003  0.01
1968 Leonard NJ, Muth EF, Nair V. Reaction of an zirine with anilinium perchlorate. Method of obtaining .alpha.-ammonium anils The Journal of Organic Chemistry. 33: 827-828. DOI: 10.1021/Jo01266A072  0.01
1968 Sekiya M, Tomie M, Leonard NJ. Dealkylation of aromatic tertiary amines with formates The Journal of Organic Chemistry. 33: 318-322. DOI: 10.1021/Jo01265A064  0.01
1968 Rasmussen M, Leonard NJ. Additions and Corrections - The Synthesis of 3-(2'-Deoxy-D-ribofuranosyl)adenine. Application of a New Protecting Group, Pivaloxymethyl (pom) Journal of the American Chemical Society. 90: 541-541. DOI: 10.1021/Ja01004A603  0.01
1968 Leonard NJ, Hecht SM, Skoog F, Schmitz RY. Cytokinins: Synthesis and Biological Activity of Related Derivatives of 2iP, 3iP, and their Ribosides Israel Journal of Chemistry. 6: 539-550. DOI: 10.1002/Ijch.196800073  0.08
1967 Leonard NJ, Ning RY. Facile carbon-sulfur bond cleavage leading to an enethiolate. Formation of a dipeptide containing dehydrocysteine and dehydrovaline. The Journal of Organic Chemistry. 32: 677-81. PMID 6042116 DOI: 10.1021/Jo01278A038  1
1967 Easton NR, Henderson FG, McMurray WJ, Leonard NJ. Comparison of the hypotensive activities of highly hindered open-chain amines and their cyclic counterparts. Journal of Medicinal Chemistry. 9: 465-8. PMID 5968007 DOI: 10.1021/jm00322a003  0.01
1967 Leonard NJ, Achmatowicz S, Loeppky RN, Carraway KL, Grimm WA, Szweykowska A, Hamzi QH, Skoog F. Development of cytokinin activity by rearrangement of 1-substituted adenines to 6-substituted aminopurines: inactivation by N6, 1-cyclization. Proceedings of the National Academy of Sciences of the United States of America. 56: 709-16. PMID 5229988 DOI: 10.1073/Pnas.56.2.709  0.01
1967 Helgeson JP, Leonard NJ. Cytokinins: identification of compounds isolated from Corynebacterium fascians. Proceedings of the National Academy of Sciences of the United States of America. 56: 60-3. PMID 4226131 DOI: 10.1073/Pnas.56.1.60  0.48
1967 Leonard NJ, Hecht SM. 6-(3-Methylbut-3-enylamino)pyrine: a highly active cytokinin Chemical Communications (London). DOI: 10.1039/C1967000973A  1
1967 Rasmussen M, Leonard NJ. Synthesis of 3-(2'-deoxy-D-erythro-pentofuranosyl)adenine. Application of a new protecting group, pivaloyloxymethyl(Pom) Journal of the American Chemical Society. 89: 5439-5445. DOI: 10.1021/Ja00997A026  0.01
1967 Leonard NJ, Zwanenburg B. Small charged rings. IX. Expansion of the azirine ring Journal of the American Chemical Society. 89: 4456-4465. DOI: 10.1021/Ja00993A038  0.01
1967 Skoog F, Hamzi HQ, Szweykowska AM, Leonard NJ, Carraway KL, Fujii T, Helgeson JP, Loeppky RN. Cytokinins: Structure/activity relationships Phytochemistry. 6: 1169-1192. DOI: 10.1016/S0031-9422(00)86080-X  0.04
1966 Leonard NJ, Ning RY. The synthesis and stereochemistry of substituted 1,4-thiazepines related to the penicillins. The Journal of Organic Chemistry. 31: 3928-35. PMID 5978074 DOI: 10.1021/Jo01350A011  1
1966 Michelson AM, Monny C, Laursen RA, Leonard NJ. Polynucleotide analogues. VIII. Poly 3-isoadenylic acid. Biochimica Et Biophysica Acta. 119: 258-67. PMID 5961622 DOI: 10.1016/0005-2787(66)90184-5  1
1966 Wolfenden R, Sharpless TK, Ragade IS, Leonard NJ. Enzymatic and chemical deamination of 3-(beta-D-ribofuranosyl)adenine. Journal of the American Chemical Society. 88: 185-6. PMID 5900391 DOI: 10.1021/Ja00953A047  0.08
1966 Gerzon K, Johnson IS, Boder GB, Cline JC, Simpson PJ, Speth C, Leonard NJ, Laursen RA. Biological activities of 3-isoadenosine. Biochimica Et Biophysica Acta. 119: 445-61. PMID 4289989 DOI: 10.1016/0005-2787(66)90120-1  1
1966 Leonard NJ, Musliner WJ. The Synthesis of Substituted Tricyclo[6.2.2.02,7]dodecanes from 2-Cyclohexenone1 The Journal of Organic Chemistry. 31: 639-646. DOI: 10.1021/Jo01341A001  0.01
1966 Leonard NJ, Carraway KL. 5-Amino-5-deoxyribose derivatives. Synthesis and use in the preparation of “Reversed” Nucleosides Journal of Heterocyclic Chemistry. 3: 485-489. DOI: 10.1002/Jhet.5570030420  0.01
1965 Crow W, Leonard N. Additions and Corrections-3-Isothiazolone-cis-3-Thiocyanoacrylamide Equilibria The Journal of Organic Chemistry. 30: 4396-4396. DOI: 10.1021/Jo01023A632  0.01
1965 Leonard N, Kiefer E, Brady L. Additions and Corrections-Small Charged Rings. IV. Expansion of the Aziridinium Ring by Reaction with ALdehydes The Journal of Organic Chemistry. 30: 4394-4394. DOI: 10.1021/Jo01023A600  0.01
1965 Leonard NJ, Ning RY, Booth RL. Small Charged Rings. VIII. Isolation and Stereochemistry of Acyl Aziridinium Salt Intermediates1,2 The Journal of Organic Chemistry. 30: 4357-4359. DOI: 10.1021/Jo01023A531  0.01
1965 Crow WD, Leonard NJ. 3-Isothiazolone-cis-3-Thiocyanoacrylamide Equilibria1,2 The Journal of Organic Chemistry. 30: 2660-2665. DOI: 10.1021/Jo01019A037  0.01
1965 Leonard NJ, Laursen RA. Synthesis and Properties of Analogs of Adenosine Diphosphate, Adenosine Triphosphate, and Nicotinamide-Adenine Dinucleotide Derived from 3-β-D-Ribofuranosyladenine (3-Isoadenosine)* Biochemistry. 4: 365-376. DOI: 10.1021/Bi00878A028  0.01
1965 Leonard NJ, Laursen RA. Synthesis of 3-β-D-Ribofuranosyladenine and (3-β-D-Ribofuranosyladenine)-5'-phosphate* Biochemistry. 4: 354-365. DOI: 10.1021/Bi00878A027  0.01
1965 Leonard NJ, Yethon AE. New functional group combinations in medium rings. 3°-amine salt with sulfoxide Tetrahedron Letters. 6: 4259-4263. DOI: 10.1016/S0040-4039(00)71082-3  0.01
1965 Leonard NJ, Carraway KL, Helgeson JP. Characterization of Nx,Ny-Disubstituted adenines by ultraviolet absorption spectra Journal of Heterocyclic Chemistry. 2: 291-297. DOI: 10.1002/Jhet.5570020314  0.08
1964 Townsend LB, Robins RK, Loeppky RN, Leonard NJ. Purine Nucleosides. VIII. Reinvestigation of the Position of Glycosidation in Certain Synthetic “7”-Substituted 6-Dimethylaminopurine Nucleosides Related to Puromycin Journal of the American Chemical Society. 86: 5320-5325. DOI: 10.1021/Ja01077A054  0.01
1964 Leonard NJ, Wilson GE. The Synthesis and Oxidative Rearrangement of Some 1,4-Thiazepines Related to the Penicillins1-3 Journal of the American Chemical Society. 86: 5307-5316. DOI: 10.1021/Ja01077A052  0.01
1964 Crow WD, Leonard NJ. A synthesis of 3-isothiazolones Tetrahedron Letters. 5: 1477-1480. DOI: 10.1016/S0040-4039(01)89515-0  0.01
1964 Leonard NJ, Edwin Wilson G. Rearrangement of a 1,4-thiazepine ring nd formation of 3-isothiazolones Tetrahedron Letters. 5: 1471-1475. DOI: 10.1016/S0040-4039(01)89514-9  0.01
1964 Leonard NJ, Edwin Wilson G. Stereospecific synthesis and oxidative transformation of a synthetic 1,4-thiazepine from -penicillamine Tetrahedron Letters. 5: 1465-1470. DOI: 10.1016/S0040-4039(01)89513-7  0.01
1963 Leonard NJ, Durand DA, Uchimaru F. Small charged rings. X. Expansion of the aziridinium ring by reaction with nitrones Journal of Organic Chemistry. 28: 2850-2854. DOI: 10.1021/Jo01286A068  0.01
1963 Leonard NJ, Paukstelis JV. Direct Synthesis of Ternary Iminium Salts by Combination of Aldehydes or Ketones with Secondary Amine Salts1,2 The Journal of Organic Chemistry. 28: 3021-3024. DOI: 10.1021/Jo01046A021  0.01
1963 Leonard NJ, Kiefer EF, Brady LE. Small Charged Rings. IV. Expansion of the Aziridinium Ring by Reaction with Aldehydes1-3 The Journal of Organic Chemistry. 28: 2850-2854. DOI: 10.1021/jo01045a089  0.01
1963 Leonard NJ, Rippie WL. Transannular Sulfoxide-Ketone Salt Formation across a Seven-Membered Ring1 The Journal of Organic Chemistry. 28: 1957-1960. DOI: 10.1021/Jo01043A003  0.01
1963 Leonard NJ, Jann K, Paukstelis JV, Steinhardt CK. Small Charged Rings. III. Heterocyclic Ring Expansion through Aziridinium Salts1-3 The Journal of Organic Chemistry. 28: 1499-1506. DOI: 10.1021/Jo01041A015  0.01
1963 Leonard NJ, Fujii T. The Synthesis of 7-Substituted Adenines through the Use of a Blocking Group at the 3-Position. Site of Alkylation of 7-Substituted Adenines Journal of the American Chemical Society. 85: 3719-3719. DOI: 10.1021/Ja00905A056  0.01
1963 Leonard NJ, Laursen RA. The Synthesis of 3-β-D-Ribofuranosyladenine Journal of the American Chemical Society. 85: 2026-2028. DOI: 10.1021/Ja00896A036  0.01
1963 Leonard NJ, Kiefer EF, Brady LE, Paukstelis JV. Aziridinium-Ringerweiterung mit Aldehyden und Ketonen Angewandte Chemie. 75: 1031-1032. DOI: 10.1002/ange.19630752133  0.01
1962 Leonard NJ, Steinhardt CK, Lee C. Unsaturated Amines. XVII. Preparation of Enamines by a Reductive Process1-3 The Journal of Organic Chemistry. 27: 4027-4031. DOI: 10.1021/Jo01058A065  0.01
1962 Leonard NJ, Conrow K, Yethon AE. Eight-Membered Ring Heterocycles from Primary Amines, Hydrogen Sulfide, and Formaldehyde1 The Journal of Organic Chemistry. 27: 2019-2021. DOI: 10.1021/Jo01053A024  0.01
1962 Leonard NJ, Laursen RA. The Synthesis of Dihydrotriacanthine1 The Journal of Organic Chemistry. 27: 1778-1780. DOI: 10.1021/Jo01052A069  0.01
1962 Leonard NJ, Johnson CR. Periodate Oxidation of Sulfides to Sulfoxides. Scope of the Reaction The Journal of Organic Chemistry. 27: 282-284. DOI: 10.1021/Jo01048A504  0.04
1962 Leonard NJ, Jann K. Small Charged Rings. II. The Synthesis of Aziridinium Salts1-3 Journal of the American Chemical Society. 84: 4806-4813. DOI: 10.1021/Ja00883A035  0.01
1962 Leonard NJ. Determination of Organic Structures by Physical Methods. Volume 2. Journal of the American Chemical Society. 84: 4171-4171. DOI: 10.1021/Ja00880A055  0.01
1962 Leonard NJ, Johnson CR. Transannular Sulfoxide-Ketone Reactions and Oxygen Transfer Journal of the American Chemical Society. 84: 3701-3710. DOI: 10.1021/Ja00878A022  0.01
1962 Leonard NJ, Deyrup JA. The Chemistry of Triacanthine Journal of the American Chemical Society. 84: 2148-2160. DOI: 10.1021/Ja00870A029  0.01
1961 Leonard N, Milligan T, Brown T. Additions and Corrections-Transannular Interaction between Sulfide and Ketone Groups Journal of the American Chemical Society. 83: 5047-5047. DOI: 10.1021/Ja01485A613  0.01
1960 Leonard NJ, Jann K. A NEW SYNTHESIS OF AZIRIDINIUM SALTS. 2,2-PENTAMETHYLENE-1,1-TETRAMETHYLENEAZIRIDINIUM PERCHLORATE, A PROTOTYPE1 Journal of the American Chemical Society. 82: 6418-6419. DOI: 10.1021/Ja01509A061  0.04
1960 Leonard NJ, Deyrup JA. THE STRUCTURE OF TRIACANTHINE1 Journal of the American Chemical Society. 82: 6202-6203. DOI: 10.1021/Ja01508A061  0.01
1960 Leonard NJ, Musker WK. Unsaturated Amines. XVI. An Oxidative Cyclization Route to Oxazolidines and Tetrahydro-1,3-oxazines1,2 Journal of the American Chemical Society. 82: 5148-5155. DOI: 10.1021/Ja01504A032  0.01
1960 Leonard NJ, Milligan TW, Brown TL. Transannular Interaction between Sulfide and Ketone Groups1 Journal of the American Chemical Society. 82: 4075-4084. DOI: 10.1021/Ja01500A063  0.01
1960 Leonard NJ, Blum SW. LABORATORY REALIZATION OF THE ROBINSON-SCHOPF SCHEME OF ALKALOID SYNTHESIS. THE PYRROLIZIDINE ALKALOIDS1 Journal of the American Chemical Society. 82: 503-504. DOI: 10.1021/Ja01487A072  0.01
1960 Leonard NJ, Martell MJ. Laboratory realization of the Schőpf-Oechler scheme of vasicine synthesis Tetrahedron Letters. 1: 44-47. DOI: 10.1016/S0040-4039(01)99392-X  0.01
1959 Leonard NJ, Musker WK. Unsaturated Amines. XV. The Mercuric Acetate Oxidation of Medium Rings Containing Tertiary Nitrogen1 Journal of the American Chemical Society. 81: 5631-5633. DOI: 10.1021/Ja01530A027  0.01
1959 Leonard NJ, Cook AG. Unsaturated Amines. XIV. The Mercuric Acetate Oxidation of Substituted Pyrrolidines1 Journal of the American Chemical Society. 81: 5627-5631. DOI: 10.1021/Ja01530A026  0.01
1959 Leonard NJ, Adamcik JA. Unsaturated Amines. XIII. The Sites of Alkylation and Protonation in Certain Enaminoketones. Substituted Trimethinium Compounds from O-Alkylated Enaminoketones1 Journal of the American Chemical Society. 81: 595-602. DOI: 10.1021/Ja01512A023  0.01
1959 Leonard NJ, Brown TL, Milligan TW. TRANSANNULAR SULFUR-CARBONYL INTERACTION Journal of the American Chemical Society. 81: 504-505. DOI: 10.1021/Ja01511A065  0.01
1958 LEONARD NJ, SCHIMELPFENIG CW. Synthesis of Medium- and Large-Ring Ketones via the Dieckmann Condensation The Journal of Organic Chemistry. 23: 1708-1710. DOI: 10.1021/Jo01105A034  0.01
1958 Leonard N, Sauers R. Additions and Corrections: Unsaturated Amines. XI. The Course of Formic Acid Reduction of Enamines. Journal of the American Chemical Society. 80: 6699-6699. DOI: 10.1021/Ja01557A624  0.01
1958 Leonard N, Little J, Kresge A. Additions and Corrections: The Structure of Chloretyl, the Product of the Reaction between Chloral and Biacetyl. Journal of the American Chemical Society. 80: 6699-6699. DOI: 10.1021/Ja01557A615  0.01
1958 Leonard N, Curry J, Sagura J. Additions and Corrections: Rearrangement of a-Aminoketones during Clemmensen Reduction. XI. The Reduction of Atom-bridged Bicyclic a-Aminoketones. Journal of the American Chemical Society. 80: 6697-6697. DOI: 10.1021/Ja01557A603  0.01
1958 Leonard NJ, Owens FH. Spectral Properties of Medium- and Large-ring Carbocyclic Compounds: α-Bromoketones, Enol Acetates and Unsaturated Ketones Journal of the American Chemical Society. 80: 6039-6045. DOI: 10.1021/Ja01555A037  0.01
1958 Leonard NJ, Conrow K, Sauers RR. A Study of Oxazolidine Ring Isomerization in Models of the Diterpenoid Alkaloids1 Journal of the American Chemical Society. 80: 5185-5193. DOI: 10.1021/Ja01552A043  0.01
1958 Leonard NJ, Adamcik JA, Djerassi C, Halpern O. Transannular Nitrogen-Carbonyl Interaction in Cyclic Aminoketones and Optical Rotatory Dispersion1,2 Journal of the American Chemical Society. 80: 4858-4862. DOI: 10.1021/Ja01551A024  0.01
1958 Leonard NJ, Little JC. Transannular Reaction Products from 3,10-Dibenzylidene-1,2-cyclodecanedione1 Journal of the American Chemical Society. 80: 4111-4114. DOI: 10.1021/Ja01548A076  0.01
1958 Leonard NJ, Morrow DF. Unsaturated Amines. XII. Steric Requirements of Mercuric Acetate Oxidation of Tertiary Amines1 Journal of the American Chemical Society. 80: 371-375. DOI: 10.1021/Ja01535A031  0.01
1957 LEONARD NJ, CONROW K, FULMER RW. Synthesis of 2-Hydroxymethylquinolizidine (dl-2-Lupinine)* The Journal of Organic Chemistry. 22: 1445-1451. DOI: 10.1021/Jo01362A036  0.01
1957 LEONARD NJ, SAUERS RR. Structure of “Oxyprotopine” and Related Alkaloid Products The Journal of Organic Chemistry. 22: 63-65. DOI: 10.1021/Jo01352A016  0.01
1957 Leonard NJ, Little JC, Kresge AJ. Condensation Products of Cyclic 1,2-Diketones with Benzylidene-bis-piperidine and their Spectral Properties Journal of the American Chemical Society. 79: 6436-6442. DOI: 10.1021/Ja01581A021  0.01
1957 Leonard NJ, Sauers RR. Unsaturated Amines. XI. The Course of Formic Acid Reduction of Enamines1 Journal of the American Chemical Society. 79: 6210-6214. DOI: 10.1021/Ja01580A028  0.01
1957 Leonard NJ, Morrow DF, Rogers MT. Electric Moments and Transannular Nitrogen-Carbonyl Interaction in Cyclic Aminoketones1 Journal of the American Chemical Society. 79: 5476-5479. DOI: 10.1021/Ja01577A040  0.01
1957 Leonard NJ, Hauck FP. Unsaturated Amines. X. The Mercuric Acetate Route to Substituted Piperidines, Δ2-Tetrahydropyridines and Δ2-Tetrahydroanabasines Journal of the American Chemical Society. 79: 5279-5292. DOI: 10.1021/Ja01576A056  0.01
1957 Leonard NJ, Little JC, Kresge AJ. The Structure of Chloretyl, the Product of the Reaction between Chloral and Biacetyl Journal of the American Chemical Society. 79: 2642-2646. DOI: 10.1021/Ja01567A076  0.01
1957 Leonard NJ, Miller LA, Berry JW. The Synthesis of 2,7-Disubstituted Tropones via Aromatization Journal of the American Chemical Society. 79: 1482-1485. DOI: 10.1021/Ja01563A056  0.01
1957 Leonard NJ, Choudhury D. γ-Pyrones by Isomerization. Substituted 3,5-Dibenzyl-4H-pyran-4-ones Journal of the American Chemical Society. 79: 156-160. DOI: 10.1021/Ja01558A042  0.01
1956 Leonard NJ, Sauers RR. Additions and Corrections - Unsaturated Amines. IX. Through Bis-enamines to Aromatics The Journal of Organic Chemistry. 21: 1553-1553. DOI: 10.1021/Jo01118A632  0.01
1956 Leonard NJ, Sauers RR. Notes - Unsaturated Amines. IX. Through Bis-enamines to Aromatics The Journal of Organic Chemistry. 21: 1187-1188. DOI: 10.1021/Jo01116A611  0.01
1956 LEONARD NJ, MIDDLETON WJ, THOMAS PD, CHOUDHURY D. Unsaturated Amines. VI. Introduction of α,β-Unsaturation by Means of Mercuric Acetate: Bicyclic Tertiary Amines1, 2 The Journal of Organic Chemistry. 21: 344-346. DOI: 10.1021/Jo01109A021  0.01
1956 Leonard NJ, Miller LA, Thomas PD. Unsaturated Amines. VIII. Dehydrogenation and Hydroxylation of 1-Methyldecahydroquinoline by Means of Mercuric Acetate1 Journal of the American Chemical Society. 78: 3463-3468. DOI: 10.1021/Ja01595A054  0.01
1956 Leonard NJ, Fulmer RW, Hay AS. Unsaturated Amines. VII. Introduction of α,β-Unsaturation by Means of Mercuric Acetate: Methylquinolizidines Journal of the American Chemical Society. 78: 3457-3462. DOI: 10.1021/Ja01595A053  0.01
1956 Leonard NJ, Hay AS. Unsaturated Amines. V. The Attack of Ternary Iminium Compounds by Nucleophilic Reagents1,2 Journal of the American Chemical Society. 78: 1984-1987. DOI: 10.1021/Ja01590A062  0.01
1955 Leonard NJ, Ōki M. Cyclic Aminoacyloins and Aminoketones. VIII. N-Cyclopropyl Compounds and Electronic Limitation of Transannular Interaction Between N and CCO1 Journal of the American Chemical Society. 77: 6245-6246. DOI: 10.1021/Ja01628A057  0.01
1955 Leonard NJ, Ōki M. Cyclic Aminoacyloins and Aminoketones. VII. N-Aryl Substitution and Transannular Interaction Between N and CCO1 Journal of the American Chemical Society. 77: 6241-6244. DOI: 10.1021/Ja01628A056  0.01
1955 Leonard NJ, Ōki M. Cyclic Aminoacyloins and Aminoketones. VI. Effect of Transannular Interaction between N and CCOon Ultraviolet Absorption1 Journal of the American Chemical Society. 77: 6239-6240. DOI: 10.1021/Ja01628A055  0.01
1955 Leonard NJ, [UNK]Oki M, Chiavarelli S. Cyclic Aminoacyloins and Aminoketones. V. Detailed Infrared Spectral Study of Transannular Interaction between N and CCO1,2 Journal of the American Chemical Society. 77: 6237-6239. DOI: 10.1021/Ja01628A054  0.01
1955 Leonard NJ, Ōki M, Chiavarelli S. Cyclic Aminoacyloins and Aminoketones. IV. Dependence of Transannular Interaction Upon the Relative Location of N and CCO1 Journal of the American Chemical Society. 77: 6234-6237. DOI: 10.1021/Ja01628A053  0.01
1955 Leonard NJ, Kresge AJ, Ōki M. The Influence of Steric Configuration on the Ultraviolet Absorption of “Fixed” Benzils1,2 Journal of the American Chemical Society. 77: 5078-5083. DOI: 10.1021/Ja01624A039  0.01
1955 Leonard NJ, Gelfand S. The Kishner Reduction-Elimination. II. α-Substituted Pinacolones1,2 Journal of the American Chemical Society. 77: 3272-3278. DOI: 10.1021/Ja01617A036  0.01
1955 Leonard NJ, Gelfand S. The Kishner Reduction-Elimination. I. Cyclic and Open Chain α-Aminoketones1,2 Journal of the American Chemical Society. 77: 3269-3271. DOI: 10.1021/Ja01617A035  0.01
1955 Leonard NJ, Locke DM. γ-Pyridones by Isomerization. Substituted 1-Methyl-3,5-dibenzyl-4-pyridones Journal of the American Chemical Society. 77: 1852-1855. DOI: 10.1021/Ja01612A042  0.01
1955 Leonard NJ, Thomas PD, Gash VW. Unsaturated Amines. IV. Structures and Reactions of the Dehydrosparteines and their Salts1—3 Journal of the American Chemical Society. 77: 1552-1558. DOI: 10.1021/Ja01611A045  0.01
1955 Leonard NJ, Hay AS, Fulmer RW, Gash VW. Unsaturated Amines. III. Introduction of α,β-Unsaturation by Means of Mercuric Acetate: Δ1(10)-Dehydroquinolizidine1,2 Journal of the American Chemical Society. 77: 439-444. DOI: 10.1021/Ja01607A065  0.01
1954 Leonard NJ, Fox RC, Oki M. Cyclic Aminoacyloins. III. Synthesis, Properties and the Detection of Transannular Interaction between N and CCO1,2 Journal of the American Chemical Society. 76: 5708-5714. DOI: 10.1021/Ja01651A031  0.01
1954 Leonard NJ, Laitinen HA, Mottus EH. The Behavior of 1,2-Diketones at the Dropping Mercury Electrode: an Addendum Journal of the American Chemical Society. 76: 4737-4737. DOI: 10.1021/Ja01647A076  0.04
1954 Leonard NJ, Ōki M. Cyclic Aminoacyloins. II. F-Strain Limitation of Transannular Interaction between N and CCO Journal of the American Chemical Society. 76: 3463-3465. DOI: 10.1021/Ja01642A027  0.01
1954 Leonard NJ, Swann S, Fuller G. The Electrolytic Reduction of Tricyclic α-Aminoketones. Synthesis of Medium Rings Containing Nitrogen. III Journal of the American Chemical Society. 76: 3193-3197. DOI: 10.1021/Ja01641A024  0.01
1954 Leonard NJ, Gash VW. Unsaturated Amines. I. Determination of the Proximity of Nitrogen to a Double Bond by Infrared Absorption Spectra1,2 Journal of the American Chemical Society. 76: 2781-2784. DOI: 10.1021/ja01639a052  0.01
1954 Leonard NJ. Progress in Organic Chemistry. Journal of the American Chemical Society. 76: 2032-2032. DOI: 10.1021/Ja01636A110  0.01
1954 Leonard NJ. Infrared Absorption Spectra of Steroids. Journal of the American Chemical Society. 76: 2031-2031. DOI: 10.1021/Ja01636A109  0.01
1954 Leonard NJ, Locke DM. Unsaturated Amines. II. Determination of the Proximity of Nitrogen to a Double Bond by Ultraviolet Absorption Spectra1 Journal of the American Chemical Society. 76: 2781-2784. DOI: 10.1021/Ja01607A064  0.01
1953 LEONARD NJ, RYDER BL. THE STEREOISOMERS OFvic-DIALKYLPIPERIDINES. THE 2-n-BUTYL-3-METHYLPIPERIDINES The Journal of Organic Chemistry. 18: 598-608. DOI: 10.1021/Jo01133A018  0.04
1953 Leonard N, Sentz R, Middleton W. Rearrangement of alpha-Aminoketones during Clemmensen Reduction. IX. The Fate of Asymmetry at the alpha-Carbon - Correction Journal of the American Chemical Society. 75: 6361-6361. DOI: 10.1021/Ja01120A631  0.01
1953 Leonard NJ, Curry JW, Sagura JJ. Rearrangement of α-Aminoketones During Clemmensen Reduction. XI. The Reduction of Atom-bridged Bicyclic α-Aminoketones1,2 Journal of the American Chemical Society. 75: 6249-6252. DOI: 10.1021/Ja01120A042  0.01
1953 Leonard NJ, Swann S, Fuller G. 2,3-Bis-(p-aminophenyl)-2,3-butanediol Journal of the American Chemical Society. 75: 5127-5128. DOI: 10.1021/Ja01116A514  0.01
1953 Leonard NJ, Berry JW. Tropolones by Isomerization. II. Substituted 3,7-Dibenzyltropolones1, 2 Journal of the American Chemical Society. 75: 4989-4991. DOI: 10.1021/Ja01116A031  0.01
1953 Leonard NJ, Fuller G, Dryden HL. Rearrangement of α-Aminoketones during Clemmensen Reduction. X. Influence of Phenyl Substitution1 Journal of the American Chemical Society. 75: 3727-3730. DOI: 10.1021/Ja01111A035  0.01
Show low-probability matches.