Philip M. Keehn - Publications

Affiliations: 
Brandeis University, Waltham, MA, United States 

54 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
2014 Falana OM, Keehn PM, Stevenson R. Quantitative and convergent synthesis of p-t-butylcalix[8]arene Tetrahedron Letters. DOI: 10.1016/J.Tetlet.2015.01.005  0.39
2011 Falana OM, Keehn PM, Stevenson R. Synthesis, structure and spectroscopic properties of calix[4]phloroglucinarene dodecamethyl ether and its trifluoroacetic acid complex. Organic & Biomolecular Chemistry. 9: 8147-54. PMID 22006454 DOI: 10.1039/C1Ob06170D  0.424
1994 Falana OM, Al-Farhan E, Keehn PM, Stevenson R. High yield synthesis of the parent C-unsubstituted calix[4]resorcinarene octamethyl ether Tetrahedron Letters. 35: 65-68. DOI: 10.1016/0040-4039(94)88163-4  0.409
1992 Al-Farhan E, Amofah R, Keehn PM, Stevenson R. Preparation Of 1,4-Bis(2,4,5-Trimethoxyphenyl) Butane Organic Preparations and Procedures International. 24: 78-80. DOI: 10.1080/00304949209356707  0.397
1992 Al-Farhan E, Keehn PM, Stevenson R. Dimerization of 3,4-Disubstituted Cinnamic Acids and Esters Synthesis. 1992: 959-961. DOI: 10.1055/S-1992-26278  0.383
1992 Xu L, Keehn PM, Gnaim JM, Green BS. Analogs of tri-o-thymotide (TOT) and tri-o-carvacrotide (TOC) by direct bromination of TOT and TOC Journal of Organic Chemistry. 57: 3208-3213. DOI: 10.1021/Jo00037A045  0.379
1992 Gnaim JM, Green BS, Arad-Yellin R, Vyas K, Levy JT, Frolow F, Keehn PM. Tri-3-(2-butyl)-6-methylsalicylide. A novel, versatile tri-o-thymotide-based clathrate host having chiral centers Journal of the American Chemical Society. 114: 1915-1916. DOI: 10.1021/Ja00031A075  0.356
1992 Gnaim JM, Keehn PM, Green BS. Halogenated analogs of tri-O-thymotide (TOT) and tri-3-(2-butyl)-6-methylsalicylide (TSBS): synthesis and clathration studies. Tetrahedron Letters. 33: 2883-2886. DOI: 10.1016/S0040-4039(00)78886-1  0.421
1992 Al-Farhan E, Falana OM, Keehn PM, Stevenson R. A simple synthesis of cyclotribromoveratrylene (CTBV) : an extractive of the red alga Halopytis pinastroides Tetrahedron Letters. 33: 5885-5886. DOI: 10.1016/S0040-4039(00)61079-1  0.358
1991 Al-Farhan E, Keehn PM, Stevenson R. Facile Chromone Ring-Opening Of Khellin Organic Preparations and Procedures International. 23: 665-667. DOI: 10.1080/00304949109457923  0.391
1991 Gnaim JM, Green BS, Arad-Yellin R, Keehn PM. Improved preparation of the clathrate host compound tri-o-thymotide and related trisalicylide derivatives Journal of Organic Chemistry. 56: 4525-4529. DOI: 10.1021/Jo00014A037  0.402
1990 Watanabe A, Koga Y, Sugawara K, Takeo H, Fukuda K, Matsumura C, Keehn PM. Infrared laser induced decomposition of hexafluorobenzene and some monosubstituted derivatives. Intermediacy of the pentafluorophenyl radical Spectrochimica Acta Part a: Molecular and Biomolecular Spectroscopy. 46: 463-469. DOI: 10.1016/0584-8539(90)80153-P  0.359
1989 Nwaukwa SO, Keehn PM. Ring Chlorination of Benzenoid Compounds Using Calcium Hypochlorite [Ca(OCl)2] Synthetic Communications. 19: 799-804. DOI: 10.1080/00397918908050996  0.383
1987 Koga Y, Chen R, Keehn PM. Laser-induced reactions of hexafluorobenzene and selected hydride compounds The Journal of Physical Chemistry. 91: 306-311. DOI: 10.1021/J100286A014  0.327
1987 Koga Y, Serino RM, Chen R, Keehn PM. Single pulse laser induced reactions of hexafluorobenzene/silane mixtures at 1027 and 944 cm−1 The Journal of Physical Chemistry. 91: 298-305. DOI: 10.1021/J100286A013  0.344
1987 Harris TD, Oruganti SR, Davis LM, Keehn PM, Green BS. Substituent modification in tri-o-thymotide and its effects on host geometry and guest enclathration .1. synthesis Tetrahedron. 43: 1519-1540. DOI: 10.1016/S0040-4020(01)90268-6  0.456
1986 Nwaukwa SO, Lee S, Keehn PM. Epoxide Ring Opening by α-Sulfonyl Carbanions. Synthesis of γ-Hydroxy Sulfones and Triflones Synthetic Communications. 16: 309-329. DOI: 10.1080/00397918608076313  0.425
1986 Madison SA, Keehn PM. Organic chemistry by infrared lasers: 5. Pulsed CO2 laser induced photoablative decomposition of biomass materials☆ Journal of Analytical and Applied Pyrolysis. 9: 237-246. DOI: 10.1016/0165-2370(86)80013-4  0.339
1985 Ramos SM, Owrutsky JC, Keehn PM. Increased stability of phosphite ozonides derived from 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane Tetrahedron Letters. 26: 5895-5898. DOI: 10.1016/S0040-4039(00)98255-8  0.362
1983 Mashraqui SH, Keehn PM. Cyclophanes. 16. Synthesis and conformational behavior of 2,11-dithia[3.3](3,5)isoxazoloparacyclophane, 2,11-dithia[3.3](3,5)isoxazolometacyclophane, and [2.2](3,5)isoxazoloparacyclophane The Journal of Organic Chemistry. 48: 1341-1344. DOI: 10.1021/Jo00156A037  0.692
1983 Madison SA, Chen R, Keehn PM. Organic chemistry by infrared lasers. 4. Laser-induced reactions by .beta.-unsaturated alcohols Journal of Organic Chemistry. 14: 1336-1340. DOI: 10.1021/Jo00156A036  0.363
1983 Keehn PM. CHAPTER 3 – Crystal Structure of Cyclophanes Cheminform. 15: 69-238. DOI: 10.1016/B978-0-12-403001-5.50009-0  0.319
1983 Halverson A, Keehn PM. Cyclophanes. 15. Thermolysis of 1,1',4,4'-tetrahydro-1,4:1',4'-diepoxy[2.2](1,4)naphthalenophane. Intracavity nonbonded interaction and evidence for the intermediacy of an isobenzofuranophane Cheminform. 14. DOI: 10.1002/Chin.198305110  0.304
1982 Mashraqui S, Keehn P. Active MnO2. Oxidative Dehydrogenations Synthetic Communications. 12: 637-645. DOI: 10.1080/00397918208061895  0.678
1982 Halverson A, Keehn PM. Cyclophanes. 15. Thermolysis of 1,1',4,4'-tetrahydro-1,4:1',4'-diepoxy[2.2](1,4)naphthalenophane. Intracavity nonbonded interaction and evidence for the intermediacy of an isobenzofuranophane Journal of the American Chemical Society. 104: 6125-6126. DOI: 10.1021/Ja00386A053  0.304
1982 Mashraqui SH, Keehn PM. Cyclophanes. 14. Synthesis, structure assignment, and conformational properties of [2.2](2,5)oxazolo- and thiazolophanes Journal of the American Chemical Society. 104: 4461-4465. DOI: 10.1021/Ja00380A022  0.69
1982 Nwaukwa SO, Keehn PM. The oxidation of alcohols and ethers using calcium hypochlorite [Ca(OCl)2] Tetrahedron Letters. 23: 35-38. DOI: 10.1016/S0040-4039(00)97525-7  0.356
1982 Nwaukwa SO, Keehn PM. Oxidative cleavage of α-diols, α-diones, α-hydroxy-ketones and α-hydroxy- and α-keto acids with calcium hypochlorite [Ca(OCl)2]. Tetrahedron Letters. 23: 3135-3138. DOI: 10.1016/S0040-4039(00)88578-0  0.356
1982 Nwaukwa SO, Keehn PM. The oxidation of aldehydes to acids with calcium hypochlorite [Ca(OCl)2] Tetrahedron Letters. 23: 3131-3134. DOI: 10.1016/S0040-4039(00)88577-9  0.396
1978 Garcia D, Keehn PM. Organic chemistry by infrared lasers. 2. Retro-Diels-Alder reactions Journal of the American Chemical Society. 100: 6111-6113. DOI: 10.1021/Ja00487A023  0.379
1978 Corson M, Foxman BM, Keehn PM. Cyclophanes—13: Crystal and molecular structure of [2.2][2,5]furano(1,4)naphthalenophane Tetrahedron. 34: 1641-1649. DOI: 10.1016/0040-4020(78)80196-3  0.373
1978 Garcia D, Keehn PM. Organic chemistry by infrared lasers. 2. Retro-Diels-Alder reactions Cheminform. 9. DOI: 10.1002/Chin.197852122  0.379
1977 Hendrickson JB, Bair KW, Keehn PM. Conversion of triflones to ketones Journal of Organic Chemistry. 42: 2935-2936. DOI: 10.1021/Jo00437A036  0.401
1977 Haley JF, Rosenfeld SM, Keehn PM. Cyclophanes. 10. Synthesis and conformational behavior of [2.2](2,5)pyrrolophanes Journal of Organic Chemistry. 42: 1379-1386. DOI: 10.1021/Jo00428A025  0.451
1977 Hill GA, Grunwald E, Keehn P. Megawatt infrared laser chemistry of dichlorodifluoromethane derived from the excitation of two distinct vibrational modes Journal of the American Chemical Society. 99: 6521-6526. DOI: 10.1021/Ja00462A009  0.344
1977 Cheng C, Keehn P. Organic chemistry by infrared lasers. 1. Isomerization of allene and methylacetylene in the presence of silicon tetrafluoride Journal of the American Chemical Society. 99: 5808-5809. DOI: 10.1021/Ja00459A050  0.361
1977 Luhowy R, Keehn PM. Cyclophanes. 9. anti-[2.2](2,6)Azulenophane. Synthesis and charge-transfer interaction Journal of the American Chemical Society. 99: 3797-3805. DOI: 10.1021/Ja00453A046  0.357
1977 Olszyna KJ, Grunwald E, Keehn PM, Anderson SP. Megawatt infrared laser chemistry. II. Use of SiF4 as an inert sensitizer. Tetrahedron Letters. 18: 1609-1612. DOI: 10.1016/S0040-4039(01)93228-9  0.363
1977 O'Connor JG, Keehn PM. Cyclophans. 12. [2.2](1,4)tropylio(1,4)cycloheptatrienophane tetrafluoroborate. synthesis and charge-transfer interaction☆☆☆ Tetrahedron Letters. 18: 3711-3714. DOI: 10.1016/S0040-4039(01)83333-5  0.358
1977 Shana CB, Rosenfeld SM, Keehn PM. Cyclophanes-VII. Conformations of [2.2](2,5)furanoparacyclophane,[2.2](2,5)furano(1,4)naphthalenophane and [2.2](2,5)furano(9,10)anthracenophane. perpendicularity of aromatic moieties Tetrahedron. 33: 1081-1090. DOI: 10.1016/0040-4020(77)80396-7  0.365
1977 Lee AW, Keehn PM, Ramos SM, Rosenfeld SM. Cyclophanes XI. The Synthesis and Comformational Behavior of 3,6-Diketo[8](2,5)thiophenophane. (3,6-Diketo[8](2,5)thiophenophane) Cheminform. 7: 81. DOI: 10.1002/Chin.197813236  0.42
1977 Hill GA, Grunwald E, Keehn P. Megawatt infrared laser chemistry of dichlorodifluoromethane derived from the excitation of two distinct vibrational modes Cheminform. 8. DOI: 10.1002/Chin.197752119  0.344
1977 Hendrickson JB, Bair KW, Keehn PM. Conversion of triflones to ketones Cheminform. 8. DOI: 10.1002/Chin.197750178  0.401
1977 Cheng C, Keehn P. Organic chemistry by infrared lasers. 1. Isomerization of allene and methylacetylene in the presence of silicon tetrafluoride Cheminform. 8. DOI: 10.1002/Chin.197747099  0.361
1976 Haley JF, Keehn PM. Cyclophanes. VI. Temperature dependent conformations of 3,6-diketo[8]-(1,4)naphthaleneophane and 3,6-diketo[8](2,5)furanophane. Chemistry Letters. 5: 999-1002. DOI: 10.1246/Cl.1976.999  0.377
1976 O'Connor JG, Keehn PM. Cyclophanes. 8. (2.2)(1,4)Tropylioparacyclophane Tetrafluoroborate. Synthesis And Charge-Transfer Interaction Journal of the American Chemical Society. 98: 8446-8450. DOI: 10.1021/Ja00442A022  0.357
1976 Luhowy R, Keehn PM. Cyclophanes V. anti-[2.2] (2,6) azulenophane. Tetrahedron Letters. 17: 1043-1046. DOI: 10.1016/S0040-4039(00)93746-8  0.285
1976 Hendrickson JB, Bair KW, Keehn PM. An efficient synthesis of nitriles from aldoximes Tetrahedron Letters. 17: 603-604. DOI: 10.1016/S0040-4039(00)77922-6  0.425
1975 Haley JF, Keehn PM. Cyclophanes IV: The synthesis of [2.2] (2,5)pyrrolophane Tetrahedron Letters. 16: 1675-1678. DOI: 10.1016/S0040-4039(00)72230-1  0.458
1975 Haley JFJ, Keehn PM. Cyclophanes Part 4, The Synthesis Of (2,2)(2,5) Pyrrolophane Cheminform. 6. DOI: 10.1002/Chin.197533256  0.452
1974 Rosenfeld SM, Keehn PM. Conformational rigidity in [2,2](2,5)pyrrolofuranophane Journal of the Chemical Society, Chemical Communications. DOI: 10.1039/C3974000119B  0.379
1974 Haley JF, Keehn PM, Rosenfeld S. Cyclophanes Part 1, The Synthesis Of Mixed N-Unsubstituted (2,2)(2,5)Pyrrolophanes, Cyclophanes Part 2, Conformational Mobility In (2,2)(2,5)Pyrrolophanes Cheminform. 5. DOI: 10.1002/Chin.197402207  0.415
1973 Rosenfeld S, Keehn PM. Cyclophanes II. Conformational mobility in [2.2] (2.5)pyrrolophanes Tetrahedron Letters. 14: 4021-4024. DOI: 10.1016/S0040-4039(01)87100-8  0.357
1973 Haley JF, Keehn PM. Cyclophanes I. The synthesis of mixed N-unsubstituted[2.2](2,5)pyrrolopahnes Tetrahedron Letters. 14: 4017-4020. DOI: 10.1016/S0040-4039(01)87099-4  0.388
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