Silverberg, Lee J.; Dillon, John L.; Vemishetti, Purushotham, Organic Process Research and Development, 2000, vol. 4, # 1, p. 34 - 42
作者:Silverberg, Lee J.、Dillon, John L.、Vemishetti, Purushotham、Sleezer, Paul D.、Discordia, Robert P.、Hartung, Kerry B.、Gao, Qi
DOI:——
日期:——
PROCESS FOR PREPARING ETOPOSIDE
申请人:Bristol-Myers Squibb Company
公开号:EP0986569B1
公开(公告)日:2003-09-24
A Crystallization-Induced Stereoselective Glycosidation Reaction in the Synthesis of the Anticancer Drug Etoposide
作者:Lee J. Silverberg、Sean Kelly、Purushotham Vemishetti、David H. Vipond、Frank S. Gibson、Brian Harrison、Richard Spector、John L. Dillon
DOI:10.1021/ol006262n
日期:2000.10.1
etoposide, 1, is prepared in 79% overall yield from readily available 4'-demethyl-4-epipodophyllotoxin, 3, and 4, 6-O-ethylidene-2,3-O-dibenzyl-D-glucose, 4, via a crystallization-induced stereoselectiveglycosidation reaction followed by catalytic hydrogenation.