[(1R,2R,3R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-3,4-dihydroxy-2-(4-methylphenyl)sulfonyloxybutyl] 4-methylbenzenesulfonate 在
potassium carbonate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以93%的产率得到[(R)-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-[(2S,3R)-3-(hydroxymethyl)oxiran-2-yl]methyl] 4-methylbenzenesulfonate