methyl (11Z)-8,14-secoolea-8,11,13-trien-28-oate 以
乙醇 为溶剂,
反应 1.0h,
以95%的产率得到methyl (4aS,8aS)-1,3,5,6,8a-pentahydro-2,2,7-trimethyl-8-{(2E)-2-[(4aS,8aS)-octahydro-5,5,8a-trimethyl-2-methylidenenaphthalen-1(2H)-ylidene]ethyl}naphthalene-4a(2H)-carboxylate