(3aR,7R,7aR)-7-(2-Chloro-propionyloxy)-2,2-dimethyl-3a,4,7,7a-tetrahydro-benzo[1,3]dioxole-5-carboxylic acid methyl ester 在
三苯基氢化锡 作用下,
以
苯 为溶剂,
生成 (3aR,5S,5aR,6R,8aR,8bR)-2,2,6-Trimethyl-7-oxo-octahydro-furo[2',3':3,4]benzo[1,2-d][1,3]dioxole-5-carboxylic acid methyl ester 、
(3aR,5R,5aR,6R,8aR,8bR)-2,2,6-Trimethyl-7-oxo-octahydro-furo[2',3':3,4]benzo[1,2-d][1,3]dioxole-5-carboxylic acid methyl ester