(4R,7R,8S,9S,11R)-8-Benzyloxy-4-ethyl-7,9,11-trimethyl-5,13-dioxa-bicyclo[10.1.0]tridecane-3,6-dione 在
palladium on activated charcoal 、
1,4-环己二烯 、 camphor-10-sulfonic acid 作用下,
以
甲苯 为溶剂,
反应 0.5h,
以60%的产率得到(1R,2S,5S,8R,9S,10S,12R)-5-Ethyl-8-hydroxy-2,10,12-trimethyl-4,13-dioxa-bicyclo[7.3.1]tridecane-3,6-dione