3-((3aR,4S,5R,7S,8R,9aS)-5-Methanesulfonyloxy-4,8-dimethyl-1-methylene-10-oxo-decahydro-4,8-methano-cyclopentacycloocten-7-yl)-propionic acid methyl ester 在
双(三甲基硅烷基)氨基钾 、 lithium iodide 作用下,
以
甲醇 为溶剂,
反应 6.5h,
生成 (Z)-(3aR,6aS,9aR,10aR)-6,10a-Dimethyl-9-methylene-3,3a,4,6a,7,8,9,9a,10,10a-decahydro-2H-dicyclopenta[a,d]cycloocten-1-one