5-O-tert-butyldiphenylsilyl-3-deoxy-2-C-hydroxymethyl-2,2'-O-isopropylidene-D-erythro-pentono-1,4-lactone 在
吡啶 、 sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
生成 Methanesulfonic acid (S)-2-(tert-butyl-diphenyl-silanyloxy)-1-((S)-4-methanesulfonyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-ethyl ester