9-((E)-4-{(3aS,4S,7S,7aR)-7-[(2S,3S)-3-((1R,2S)-2-Methanesulfonyloxy-1-methyl-propyl)-oxiranylmethyl]-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yl}-3-methyl-but-2-enoyloxy)-nonanoic acid methyl ester 在
sodium cyanoborohydride 作用下,
以
六甲基磷酰三胺 为溶剂,
反应 120.0h,
以36%的产率得到9-((E)-4-{(3aS,4S,7S,7aR)-7-[(2S,3S)-3-((S)-sec-Butyl)-oxiranylmethyl]-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yl}-3-methyl-but-2-enoyloxy)-nonanoic acid methyl ester