| Year |
Citation |
Score |
| 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 |
0.372 |
|
| 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 |
0.36 |
|
| 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 |
0.379 |
|
| 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 |
0.331 |
|
| 2010 |
LEONARD NJ, BOYS SN. Cinnolines; synthesis of 4-hydroxycinnolines. The Journal of Organic Chemistry. 11: 419-28. PMID 20279700 DOI: 10.1021/Jo01174A019 |
0.33 |
|
| 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 |
0.33 |
|
| 2008 |
LEONARD NJ, BEYLER RE. The total synthesis of sparteine. Journal of the American Chemical Society. 70: 2298. PMID 18863833 DOI: 10.1021/Ja01186A522 |
0.322 |
|
| 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 |
0.388 |
|
| 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 |
0.364 |
|
| 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 |
0.332 |
|
| 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 |
0.312 |
|
| 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 |
0.311 |
|
| 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 |
0.302 |
|
| 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 |
0.429 |
|
| 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 |
0.318 |
|
| 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 |
0.319 |
|
| 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 |
0.305 |
|
| 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 |
0.365 |
|
| 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 |
0.304 |
|
| 1987 |
Pereira DE, Clauson GL, Leonard NJ. Dissymmetry of certain substituted dipyridotetraazapentalenes Tetrahedron. 43: 4931-4946. DOI: 10.1016/S0040-4020(01)87674-2 |
0.32 |
|
| 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 |
0.314 |
|
| 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 |
0.316 |
|
| 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 |
0.776 |
|
| 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 |
0.308 |
|
| 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 |
0.332 |
|
| 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 |
0.316 |
|
| 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 |
0.31 |
|
| 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 |
0.694 |
|
| 1985 |
Casteel DA, Leonard NJ. Synthesis Of Pyrrolo(3,4-D)Imidazoles. A New Fluorescent Heterocyclic System Cheminform. 16. DOI: 10.1002/Chin.198552210 |
0.776 |
|
| 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 |
0.662 |
|
| 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 |
0.505 |
|
| 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 |
0.498 |
|
| 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 |
0.528 |
|
| 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 |
0.399 |
|
| 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 |
0.339 |
|
| 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 |
0.707 |
|
| 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 |
0.705 |
|
| 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 |
0.303 |
|
| 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 |
0.516 |
|
| 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 |
0.54 |
|
| 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 |
0.348 |
|
| 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 |
0.753 |
|
| 1981 |
Hosmane RS, Leonard NJ. Simple Convenient Synthesis of 1-Methylcytosine Synthesis. 1981: 118-119. DOI: 10.1055/S-1981-29352 |
0.333 |
|
| 1981 |
Lessor RA, Leonard NJ. Synthesis of 2′-deoxynucleosides by deoxygenation of ribonucleosides Journal of Organic Chemistry. 46: 4300-4301. DOI: 10.1021/Jo00334A043 |
0.35 |
|
| 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 |
0.359 |
|
| 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 |
0.321 |
|
| 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 |
0.326 |
|
| 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 |
0.572 |
|
| 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 |
0.54 |
|
| 1980 |
Foster RH, Leonard NJ. Synthesis of prox-benzoisoallopurinol Journal of Organic Chemistry. 45: 3072-3077. DOI: 10.1021/Jo01303A027 |
0.33 |
|
| 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 |
0.327 |
|
| 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 |
0.704 |
|
| 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 |
0.334 |
|
| 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 |
0.5 |
|
| 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 |
0.367 |
|
| 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 |
0.326 |
|
| 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 |
0.349 |
|
| 1979 |
Foster RH, Leonard NJ. Synthesis of lin-benzoallopurinol Journal of Organic Chemistry. 44: 4609-4611. DOI: 10.1021/Jo00393A032 |
0.331 |
|
| 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 |
0.349 |
|
| 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 |
0.557 |
|
| 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 |
0.52 |
|
| 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 |
0.317 |
|
| 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 |
0.318 |
|
| 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 |
0.358 |
|
| 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 |
0.591 |
|
| 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 |
0.514 |
|
| 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 |
0.54 |
|
| 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 |
0.519 |
|
| 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 |
0.608 |
|
| 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 |
0.608 |
|
| 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 |
0.309 |
|
| 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 |
0.334 |
|
| 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 |
0.319 |
|
| 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 |
0.305 |
|
| 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 |
0.691 |
|
| 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 |
0.593 |
|
| 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 |
0.302 |
|
| 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 |
0.503 |
|
| 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 |
0.51 |
|
| 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 |
0.504 |
|
| 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 |
0.617 |
|
| 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 |
0.607 |
|
| 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 |
0.571 |
|
| 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 |
0.573 |
|
| 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 |
0.361 |
|
| 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 |
0.502 |
|
| 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 |
0.452 |
|
| 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 |
0.596 |
|
| 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 |
0.707 |
|
| 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 |
0.593 |
|
| 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 |
0.51 |
|
| 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 |
0.547 |
|
| 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 |
0.535 |
|
| 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 |
0.567 |
|
| 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 |
0.312 |
|
| 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 |
0.673 |
|
| 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 |
0.719 |
|
| 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 |
0.501 |
|
| 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 |
0.308 |
|
| 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 |
0.705 |
|
| 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 |
0.555 |
|
| 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 |
0.673 |
|
| 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 |
0.374 |
|
| 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 |
0.577 |
|
| 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 |
0.332 |
|
| 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 |
0.738 |
|
| 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 |
0.615 |
|
| 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 |
0.334 |
|
| 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 |
0.546 |
|
| 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 |
0.541 |
|
| 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 |
0.683 |
|
| 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 |
0.594 |
|
| 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 |
0.61 |
|
| 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 |
0.665 |
|
| 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 |
0.533 |
|
| 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 |
0.356 |
|
| 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 |
0.325 |
|
| 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 |
0.306 |
|
| 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 |
0.34 |
|
| 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 |
0.725 |
|
| 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 |
0.74 |
|
| 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 |
0.698 |
|
| 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 |
0.732 |
|
| 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 |
0.592 |
|
| 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 |
0.591 |
|
| 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 |
0.599 |
|
| 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 |
0.71 |
|
| 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 |
0.309 |
|
| 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 |
0.685 |
|
| 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 |
0.341 |
|
| 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 |
0.317 |
|
| 1969 |
Leonard NJ, Sato T. Transannular route for stereospecific synthesis. (+-)-Isoretronecanol The Journal of Organic Chemistry. 34: 1066-1070. DOI: 10.1021/Jo01256A064 |
0.322 |
|
| 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 |
0.69 |
|
| 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 |
0.726 |
|
| 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 |
0.324 |
|
| 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 |
0.495 |
|
| 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 |
0.687 |
|
| 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 |
0.719 |
|
| 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 |
0.302 |
|
| 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 |
0.737 |
|
| 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 |
0.611 |
|
| 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 |
0.746 |
|
| 1967 |
Leonard NJ, Hecht SM. 6-(3-Methylbut-3-enylamino)pyrine: a highly active cytokinin Chemical Communications (London). DOI: 10.1039/C1967000973A |
0.561 |
|
| 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 |
0.792 |
|
| 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 |
0.353 |
|
| 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 |
0.587 |
|
| 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 |
0.581 |
|
| 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 |
0.365 |
|
| 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 |
0.363 |
|
| 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 |
0.611 |
|
| 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 |
0.58 |
|
| 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 |
0.761 |
|
| 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 |
0.313 |
|
| 1964 |
Crow WD, Leonard NJ. A synthesis of 3-isothiazolones Tetrahedron Letters. 5: 1477-1480. DOI: 10.1016/S0040-4039(01)89515-0 |
0.33 |
|
| 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 |
0.354 |
|
| 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 |
0.328 |
|
| 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 |
0.592 |
|
| 1962 |
Leonard NJ, Laursen RA. The Synthesis of Dihydrotriacanthine1 The Journal of Organic Chemistry. 27: 1778-1780. DOI: 10.1021/Jo01052A069 |
0.614 |
|
| 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 |
0.446 |
|
| 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 |
0.452 |
|
| 1962 |
Leonard NJ, Deyrup JA. The Chemistry of Triacanthine Journal of the American Chemical Society. 84: 2148-2160. DOI: 10.1021/Ja00870A029 |
0.641 |
|
| 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 |
0.306 |
|
| 1960 |
Leonard NJ, Deyrup JA. THE STRUCTURE OF TRIACANTHINE1 Journal of the American Chemical Society. 82: 6202-6203. DOI: 10.1021/Ja01508A061 |
0.621 |
|
| 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 |
0.618 |
|
| 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 |
0.638 |
|
| 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 |
0.314 |
|
| 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 |
0.344 |
|
| 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 |
0.331 |
|
| 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 |
0.319 |
|
| 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 |
0.358 |
|
| 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 |
0.338 |
|
| 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 |
0.354 |
|
| 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 |
0.311 |
|
| 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 |
0.3 |
|
| 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 |
0.317 |
|
| 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 |
0.31 |
|
| 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 |
0.331 |
|
| 1952 |
Leonard NJ, Simon AB. The Synthesis of β-Hydroxy-γ-Nitrocarbonyl Compounds The Journal of Organic Chemistry. 17: 1262-1268. DOI: 10.1021/Jo50009A012 |
0.316 |
|
| 1952 |
Leonard N, Middleton W. Correction. Reduction Cyclization. A Method for the Synthesis of Tricyclic Compounds Possessing a Bridgehead Nitrogen Journal of the American Chemical Society. 74: 6321-6321. DOI: 10.1021/Ja01144A670 |
0.342 |
|
| 1952 |
Leonard NJ, Middleton WJ. Reductive Cyclization. A Method for the Synthesis of Tricyclic Compounds Possessing a Bridgehead Nitrogen1 Journal of the American Chemical Society. 74: 5114-5118. DOI: 10.1021/Ja01140A035 |
0.344 |
|
| 1951 |
Leonard N, Wildman W. Additions and Corrections-Rearrangement of Aminoketones During Clemmensen Reduction. I. Bicyclic Compounds Containing a Bridge-head Nitrogen Journal of the American Chemical Society. 73: 5925-5925. DOI: 10.1021/Ja01156A604 |
0.301 |
|
| 1951 |
Leonard NJ, Simon AB, Felley DL. Reductive Cyclization. Synthesis of 1-Ethyl-3-phenylpyrrolidine Journal of the American Chemical Society. 73: 857-858. DOI: 10.1021/Ja01146A514 |
0.356 |
|
| 1950 |
Leonard NJ, Goode WE. Reductive Cyclization. A General Method for the Synthesis of 1-Azabicyclo Compounds1,2 Journal of the American Chemical Society. 72: 5404-5407. DOI: 10.1021/Ja01168A010 |
0.302 |
|
| 1950 |
Leonard NJ, Boyer JH. Reductive Cyclization of Amino α-Keto Esters. A General Method for the Synthesis of Nitrogen-Heterocyclics Having Fused Five- and Six-Membered Rings Journal of the American Chemical Society. 72: 2980-2985. DOI: 10.1021/Ja01163A049 |
0.357 |
|
| 1950 |
Leonard NJ, Burk EH. The Synthesis of Pyrrolizidines. VII. Use of the Pyrrole Mannich Base Journal of the American Chemical Society. 72: 2543-2546. DOI: 10.1021/Ja01162A058 |
0.31 |
|
| 1950 |
Leonard NJ, Felley DL. The Synthesis of Pyrrolizidines. VI. Stereochemical Correlation of 1-Methyl- and 1-Hydroxymethylpyrrolizidine Isomers with Certain Alkaloid Products1 Journal of the American Chemical Society. 72: 2537-2543. DOI: 10.1021/Ja01162A057 |
0.338 |
|
| 1950 |
Leonard NJ, Beyler RE. The Total Synthesis of Sparteine and an Isosparteine by Reductive Cyclization1 Journal of the American Chemical Society. 72: 1316-1323. DOI: 10.1021/Ja01159A067 |
0.322 |
|
| 1950 |
Leonard NJ, Blout ER. The Ultraviolet Absorption Spectra of Hindered Benzils Journal of the American Chemical Society. 72: 484-487. DOI: 10.1021/Ja01157A126 |
0.48 |
|
| 1949 |
Leonard NJ, Rapala RT, Herzog HL, Blout ER. The Ultraviolet Absorption Spectra of Alkoxy- and Hydroxybenzils Journal of the American Chemical Society. 71: 2997-3002. DOI: 10.1021/Ja01177A014 |
0.481 |
|
| 1949 |
Leonard NJ, Shoemaker GL. The Addition of Nitroparaffins to Diethyl Glutaconate and Diethyl Itaconate Journal of the American Chemical Society. 71: 1876-1877. DOI: 10.1021/Ja01173A518 |
0.308 |
|
| 1949 |
Leonard NJ, Shoemaker GL. The Synthesis of Pyrrolizidines. IV. Condensation of Nitroparaffins with Methyl Methacrylate and Subsequent Formation of 2-, 6- and 8-Alkyl-Substituted Pyrrolizidines Journal of the American Chemical Society. 71: 1760-1762. DOI: 10.1021/Ja01173A063 |
0.367 |
|
| 1949 |
Leonard NJ, Felley DL. The Synthesis of Pyrrolizidines. III. Condensation of Nitromethane with Ethyl Crotonate and Subsequent Formation of 1-Methylpyrrolizidine (Heliotridane, Pseudoheliotridane) Journal of the American Chemical Society. 71: 1758-1759. DOI: 10.1021/Ja01173A062 |
0.33 |
|
| 1947 |
LEONARD NJ, CURTIN DY, PECK KM. Sulfonate salts of substituted benzimidazoles. Journal of the American Chemical Society. 69: 2459-61. PMID 20268303 DOI: 10.1021/Ja01202A062 |
0.317 |
|
| 1946 |
Price C, Leonard N, Curtain D. ERRATA. 2-Amino-4-Methyl-6-Methoxymethylpyrimidine, Some Derivatives and Related Compounds. The Journal of Organic Chemistry. 11: 849-849. DOI: 10.1021/Jo01176A027 |
0.336 |
|
| 1942 |
Leonard NJ, Elderfield RC. Alstonia alkaloids. I. Degradation of alstonine to β-carboline bases and the reduction of tetrahydroalstonine with sodium and butyl alcohol Journal of Organic Chemistry. 7: 556-572. DOI: 10.1021/Jo01200A014 |
0.528 |
|
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