Ob. Flekhter et al., DIRECT STEREOSPECIFIC SYNTHESIS OF TRITERPENE AND STEROID 2-DEOXY-ALPHA-GLYCOSIDES, Russian chemical bulletin, 46(7), 1997, pp. 1335-1338
Stereospecific synthesis of 2-deoxy-alpha-glycosides of methyl glycyrr
hetate, methyl deoxycholate, and cholesterol was performed by glycosyl
ation of the corresponding alcohols with glycal acetates in the presen
ce of a cation-exchange resin (H+) and LiBr.