(3aR,4aR,8aR,9aR)-3-Eth-(Z)-ylidene-4a-hydroxy-8a-methyl-5-methylene-decahydro-naphtho[2,3-b]furan-2-one 在
二乙胺 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以0.2 g的产率得到(3aR,4aR,8aR,9aR)-3-Eth-(E)-ylidene-4a-hydroxy-8a-methyl-5-methylene-decahydro-naphtho[2,3-b]furan-2-one