(1S,2S,5S,6S,7R,8S,9S,10S)-1,4-dichloro-5,6:9,10-bis(isopropylidenedioxy)tricyclo<6.2.2.0>dodeca-3,11-diene 在
sodium 作用下,
以
乙醇 为溶剂,
以48%的产率得到(3aα,5aβ,6α,6aβ,9aβ,10α,10aβ,10bα)-3a,5a,6,6a,9a,10,10a,10b-octahydro-2,2,8,8-tetramethyl-6,10-ethenonaphtho[1,2-d:6,7-d']bis[1,3]dioxole