甲氧羰基亚甲基三苯基正膦 、
Acetic acid (S)-1-((3aR,5S,6R,6aR)-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-2-oxo-ethyl ester 以
苯 为溶剂,
反应 5.0h,
生成 (Z)-(R)-4-Acetoxy-4-((3aR,5R,6R,6aR)-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-but-2-enoic acid methyl ester