An Efficient Large-Scale Synthesis of EDP-420, a First-in-Class Bridged Bicyclic Macrolide (BBM) Antibiotic Drug Candidate
Autor: | Yat Sun Or, Zhigang Chen, Datong Tang, Heejin Kim, Yonghua Gai, Zhe Wang, Guoqiang Wang, Guoyou Xu, Ly Tam Phan |
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Rok vydání: | 2010 |
Předmět: | |
Zdroj: | Organic Process Research & Development. 14:504-510 |
ISSN: | 1520-586X 1083-6160 |
DOI: | 10.1021/op900228u |
Popis: | A multistep, practical, and cost-effective synthesis of novel bridged bicyclic macrolide drug candidate EDP-420 (1) is described. Starting from inexpensive and commercially available erythromycin A 9-oxime, the current chemical process involves a series of transformations: triacetylation, Pd-catalyzed O,O-bis-allylation (bridge formation), acid-catalyzed sugar cleavage, oxime reduction, acetylation, Os-catalyzed bridge olefin oxidative cleavage, Corey−Kim oxidation, bridge oxime formation, deprotection, and final purification. Multikilogram quantities have been synthesized. |
Databáze: | OpenAIRE |
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