Solvent-induced anomeric diastereoselectivity switching using a single glycosyl donor
作者:Ryuta Fujiwara、Shigeomi Horito
DOI:10.1016/j.carres.2011.06.026
日期:2011.10
reaction of long-chain hydrocarbon alcohols, ethyl 9-hydroxynonanoate and decanol using a series of the 2-O-benzyl-protected fucopyranosyl donors were investigated. The resulting products demonstrated the solvent-induced diastereoselectivity switching using diethyl ether (Et(2)O) or dichloromethane (CH(2)Cl(2)). Practical α-selectivities were observed using ether solvents. In contrast, practical β-selectivities