、
甲氧羰基亚甲基三苯基正膦 以
甲醇 为溶剂,
反应 0.75h,
生成 (Z)-3-[(2R,3R)-3-((3aS,5S,5aR,8aR,8bS)-2,2,7,7-Tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-oxiranyl]-acrylic acid methyl ester 、 (E)-3-[(2R,3R)-3-((3aS,5S,5aR,8aR,8bS)-2,2,7,7-Tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-oxiranyl]-acrylic acid methyl ester