Acetic acid (1aR,2S,3S,4R,4aS,5R,7R,7aR)-3-acetoxy-5-isopropenyl-4-isopropyl-1a-methyl-7-triisopropylsilanyloxymethyl-hexahydro-1,6-dioxa-cyclopropa[d]inden-2-yl ester 在
臭氧 、
三苯基膦 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以95%的产率得到Acetic acid (1aR,2S,3S,4R,4aS,5R,7R,7aR)-3-acetoxy-5-acetyl-4-isopropyl-1a-methyl-7-triisopropylsilanyloxymethyl-hexahydro-1,6-dioxa-cyclopropa[d]inden-2-yl ester