Zobrazeno 1 - 10
of 22
pro vyhledávání: '"R. Lee Webb"'
Autor:
Randall K. Johnson, R. Lee Webb, Alan J. Freyer, Zuber Gary Edward, Mark F. Bean, Rex Reichwein, Leo F. Faucette, Ashok D. Patil
Publikováno v:
Tetrahedron. 53:1583-1592
Bioassay-guided fractionation of the MeOH/CH2Cl2 extract of the roots of Caesalpinia pulcherrima yielded four novel dibenzoate diterpenes, pulcherrimins A, B, C and D (1–4). The structures of these compounds including their absolute configuration w
Autor:
John Edward Richardson, Luisa M. Freitas dos Santos, Alan D. Curzons, Paul W. Smith, John Kitteringham, Robert E. Hannah, Michael A. McGuire, Marvin Sungwhan Yu, R. Lee Webb, John D. Hayler, Graham R. Geen, David J. C. Constable
Publikováno v:
Green Chemistry. 3:7-9
A set of metrics has been developed which enables a simple assessment to be made of batch processes in terms of waste, energy usage, and chemistry efficiency. It is intended to raise awareness of green chemistry by providing a tool to assist chemists
Autor:
R. Lee Webb
Publikováno v:
Journal of Medicinal Chemistry. 39:5285-5286
Autor:
R. Lee Webb
Publikováno v:
Journal of Medicinal Chemistry. 44:1122-1122
Publikováno v:
The Journal of Organic Chemistry. 47:1824-1831
Autor:
Gerald D. Roberts, Gary E. Zuber, Louisa Lam Davis, R. Lee Webb, Steven A. Carr, Hung‐Yuan Cheng, David B. Staiger
Publikováno v:
Journal of The Electrochemical Society. 133:515-521
Publikováno v:
Journal of Heterocyclic Chemistry. 24:275-278
Simple high yield methods for the preparation of heterocyclic N-cyanoguanidines (including the anti-ulcer drug cimetidine), substituted triazoles, benzimidazoles and oxadiazoles with anti-histaminic (H2) activity from the title compounds are describe
Autor:
Shau-Ming Mong, R. Lee Webb, Randall K. Johnson, Karl F. Erhard, L. I. Kruse, Francis L. McCabe, Charles W. Debrosse, Peter B. Harrsch, Stephen T. Ross, William D. Kingsbury
Publikováno v:
European Journal of Medicinal Chemistry. 24:363-370
To provide the antineoplastic agent nocodazole, 1, with improved solubility and drug-transport properties, The (S)-alanyl-2-glycyl moiety was introduced as a benzimidazole-nitrogen-substituent which would be expected to be enzymatically cleaved in vi
Publikováno v:
The Journal of Organic Chemistry. 47:1985-1989
Autor:
Dennis M. Ackerman, Tikam C. Jain, Louisa Lam Davis, Lloyd M. Jackman, Gerald D. Roberts, R. Lee Webb, Carl Kaiser, Kei-Lai Fong, David L. Ladd, David B. Staiger
Publikováno v:
Canadian Journal of Chemistry. 64:2418-2422
Dopamine, a physiologically important biogenic amine, is readily sulfoconjugated in vivo to give the 3- and 4-O-sulfates of pharmacologic importance. A major synthetic source of these esters has involved reaction of dopamine with sulfuric acid; howev