SnCl4: An efficient and inexpensive promoter for synthesis of ω-functionalized alkyl 1,2-trans-glycosides from 1-O-pivaloyl donor
作者:A. Nikseresht
DOI:10.1134/s1070363216010266
日期:2016.1
SnCl4-promoted reactions of perpivaloylated lactose with various alcohols were studied in the presence or absence of an additive, CaCO3. SnCl4 was found to promote the 1,2-trans-glycosylation of alcohols in CH2Cl2 at 0A degrees C in a stereo controlled manner with beta-selectivity. The corresponding glycosides were isolated in high yields.