Zobrazeno 1 - 10
of 10
pro vyhledávání: '"George E. Babbitt"'
Autor:
Jack G. Samaritoni, George E. Babbitt
Publikováno v:
Journal of Heterocyclic Chemistry. 34:1263-1266
Reaction of vinyl and isopropenyl Grignard reagents with quinazoline results in addition to the 3,4-imine bond to give the 4-alkenyldihydroquinazolines 4 which are conveniently aromatized with potassium ferri-cyanide to the 4-alkenylquinazolines 5. Q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6531970be64dcefe67d3f3c5f0a9418
https://doi.org/10.1002/jhet.5570340429
https://doi.org/10.1002/jhet.5570340429
Autor:
James Abraham Aikins, Michael P. Lynch, James R. Beck, John R. Rizzo, George E. Babbitt, T. W. Waldrep, Eddie Vi-Ping Tao
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9d9491f7a6f4d683b8d920f4d3baaa1
https://doi.org/10.1002/chin.199131162
https://doi.org/10.1002/chin.199131162
Autor:
Jack G. Samaritoni, George E. Babbitt
Publikováno v:
ChemInform. 29
Reaction of vinyl and isopropenyl Grignard reagents with quinazoline results in addition to the 3,4-imine bond to give the 4-alkenyldihydroquinazolines 4 which are conveniently aromatized with potassium ferri-cyanide to the 4-alkenylquinazolines 5. Q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::606b5edb2e1bea98684fe991f1896522
https://doi.org/10.1002/chin.199802162
https://doi.org/10.1002/chin.199802162
Autor:
George E. Babbitt, Jack G. Samaritoni
Publikováno v:
Journal of Heterocyclic Chemistry. 28:583-587
The unsymmetrically substituted pyridazines 1 (X Ph, CH3) have been found to undergo homolytic heteroaromatic alkylation in moderate to good yields with high regioselectivity. The site of substitution was established by conversion to 5 and measuremen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b141adc0c005309a017b51151c31313e
https://doi.org/10.1002/jhet.5570280308
https://doi.org/10.1002/jhet.5570280308
Publikováno v:
Magnetic Resonance in Chemistry. 28:90-92
A compilation of 13C NMR chemical shifts for 13 pairs of 3- and 5-cyano-substituted pyrazole regioisomers is reported. All of the ring carbon and cyano carbon 13C chemical shifts show a regular, predictable correlation with the particular isomer, whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d9129b54a5f30b0e8aa553074c3ebd9
https://doi.org/10.1002/mrc.1260280117
https://doi.org/10.1002/mrc.1260280117
Autor:
Michael P. Lynch, James R. Beck, Eddie V. P. Tao, James Aikins, George E. Babbitt, John R. Rizzo, T. William Waldrep
Publikováno v:
ACS Symposium Series ISBN: 9780841218857
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::781094c7cb8383bde37f30270deaf643
https://doi.org/10.1021/bk-1991-0443.ch012
https://doi.org/10.1021/bk-1991-0443.ch012
Publikováno v:
Journal of Heterocyclic Chemistry. 25:1467-1470
Alkylation of 1-aryl-1H-1,2,4-triazol-3-ols with ethyl 2-bromopropionate under basic conditions resulted in the formation of 2-[(1-aryl-1H-1,2,4-triazol-3-yl)oxy]propionic acid, ethyl esters. No N-alkylated products were detected. Similar alkylation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d96b39257076ed1cea2823c3c31fb5a
https://doi.org/10.1002/jhet.5570250541
https://doi.org/10.1002/jhet.5570250541
Autor:
Valjean L. Simson, James L. Mertz, James S. Peloso, Bill J. Barker, George E. Babbitt, Richard M. Kline, John L. Occolowitz
Publikováno v:
The Journal of Antibiotics. 39:877-887
Avilamycin is an antibiotic complex produced by cultures of the organism Streptomyces viridochromogenes, strain NRRL 2860. These compounds belong to the orthosomycin family of antibiotics. Structural composition of the major avilamycins and several m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f9776f73dea3eaf9f18384c8ea5d8af
https://doi.org/10.7164/antibiotics.39.877
https://doi.org/10.7164/antibiotics.39.877
Publikováno v:
ChemInform. 20
Alkylation of 1-aryl-1H-1,2,4-triazol-3-ols with ethyl 2-bromopropionate under basic conditions resulted in the formation of 2-[(1-aryl-1H-1,2,4-triazol-3-yl)oxy]propionic acid, ethyl esters. No N-alkylated products were detected. Similar alkylation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::749f98acf3df73bd9179b56665e4ac2c
https://doi.org/10.1002/chin.198928182
https://doi.org/10.1002/chin.198928182
Autor:
DON R. BAKER, JOSEPH G. FENYES, WILLIAM K. MOBERG, G. Levitt, Hugh M. Brown, Philip C. Kearney, Steven P. Artz, Bruce L. Finkelstein, Mary Ann Hanagan, M. P. Moon, Robert J. Pasteris, Morris P. Rorer, John Cuomo, Stephen K. Gee, Stephen L. Hartzell, W. T. Zimmerman, C. L. Hillemann, T. P. Selby, R. Shapiro, C. P. Tseng, B. A. Wexler, Mark E. Thompson, Paul H. Liang, Shigeo Murai, Takahiro Haga, Kan-ichi Fujikawa, Nobuyuki Sakashita, Fumio Kimura, Yasuhiro Tsujii, Kouji Hayashi, Shin-Shyong Tseng, Ravindar N. Girotra, Cynthia M. Cribbs, Diana Lori P. Sonntag, Jerry L. Johnson, John Finn, Nina Quinn, Brad Buckman, Michael P. Lynch, James R. Beck, Eddie V. P. Tao, James Aikins, George E. Babbitt, John R. Rizzo, T. William Waldrep, R. S. Brinkmeyer, N. H. Terando, John W. Lyga, Blaik P. Halling, Debra A. Witkowski, Russell M. Patera, Judith A. Seeley, Marjorie J. Plummer, Frederick W. Hotzman, T. W. Balko, D. E. Dudley, R. K. Mann, Len F. Lee, Gina L. Stikes, Jean E. Normansell, John M. Molyneaux, Larry Y. L. Sing, John P. Chupp, Scott K. Parrish, John