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.