Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Gregory S. Wayne"'
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Synthesis of 2‘-O-Benzoyl-3-keto-6-O-propargyl-11,12-carbamoyl Erythromycin A
Autor: Gregory S. Wayne, John E. Lallaman, Lakshmi Bhagavatula, Jonathan P. Pease, Ramiya H. Premchandran, Steven A. King, William H. Arnold, Francis A. J. Kerdesky, Howard E. Morton, Sou-Jen Chang
Publikováno v: Organic Process Research & Development. 6:869-875
An efficient and practical synthesis of 2‘-O-benzoyl-3-keto-6-O-propargyl-11,12-carbamoyl erythromycin A (4) is described. The semisynthetic macrolide was prepared on large scale in seven steps in 38% overall isolated yield from the readily availab
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b69503992080c905ff0b708a26f8db0a
https://doi.org/10.1021/op025535m
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3
An Improved Synthesis of Pyran-3,5-dione: Application to the Synthesis of ABT-598, a Potassium Channel Opener, via Hantzsch Reaction
Autor: Steven J. Wittenberger, Gregory S. Wayne, John E. Lallaman, Wenke Li, Sou-Jen Chang
Publikováno v: The Journal of Organic Chemistry. 71:1725-1727
Ketoester 1 is cyclized to give pyran-3,5-dione 2 in 78% yield using a parallel addition of ketoester 1 and base NaO(t)Bu in refluxing THF. Compared to the previously reported procedures, these optimized conditions have significantly increased the yi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50f8848c813ef7fe7417168f9b762707
https://doi.org/10.1021/jo052226w
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4
An Improved Synthesis of Bicyclo[3.3.3]undecane
Autor: Gary J. Snyder, Gregory S. Wayne
Publikováno v: Synthetic Communications. 25:3267-3270
A shorter and significantly higher-yield procedure for the preparation of bicyclo[3.3.3]undecane (manxane) is reported.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::127e9b8b2b376bcc940e4a681767bdbc
https://doi.org/10.1080/00397919508015479
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5
ChemInform Abstract: An Improved Synthesis of Bicyclo(3.3.3)undecane
Autor: Gary J. Snyder, Gregory S. Wayne
Publikováno v: ChemInform. 26
A shorter and significantly higher-yield procedure for the preparation of bicyclo[3.3.3]undecane (manxane) is reported.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bca7526605687f10b05392d4f17975b
https://doi.org/10.1002/chin.199551095
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6
ChemInform Abstract: Characterization and Synthesis of a 6-Substituted Benzo[b]thiophene
Autor: Weijiang Zhang, Shyamal I. Parekh, G. S. Lannoye, L. S. Hollis, Gregory S. Wayne, Anthony R. Haight, Richard R. Copp
Publikováno v: ChemInform. 30
An impurity observed during the synthesis of zileuton (Zyflo) has been isolated and characterized as a benzo[b]thiophene derivative that has undergone electrophilic substitution in the 6 position (4). A nine-step synthesis confirms the structural ass
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf554fff1f5756add1029b68b76aeeac
https://doi.org/10.1002/chin.199903120
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8
Characterization and Synthesis of a 6-Substituted Benzo[b]thiophene
Autor: Shyamal I. Parekh, Anthony R. Haight, Gregory S. Wayne, Richard R. Copp, Weijiang Zhang, G. S. Lannoye, L. S. Hollis
Publikováno v: The Journal of organic chemistry. 63(17)
An impurity observed during the synthesis of zileuton (Zyflo) has been isolated and characterized as a benzo[b]thiophene derivative that has undergone electrophilic substitution in the 6 position (4). A nine-step synthesis confirms the structural ass
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1b12978f1801b3c29fa0dd9f058b836
https://pubmed.ncbi.nlm.nih.gov/11672194
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