(4'aα,5'α,8'α,8'aβ)-octahydro-4'a,8'-dimethylspiro<1,3-dioxolane-2,2'(1'H)-naphthalene>-5',8'-diol 5'-(4-methylbenzenesulfonate) 在
lithium tert-amoxide 作用下,
以
苯 为溶剂,
反应 92.0h,
以8%的产率得到(1'α,3'aβ,4'α,8'aβ)-octahydro-1',4'-dimethylspiro<1,3-dioxolane-2,7'(1'H)-<1,4>epoxyazulene>