(1S,4R,4aS,6R,8S,8aR)-8-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-1,4,4a,5,6,7,8,8a-octahydro-1,4-methano-naphthalene-6-carboxylic acid methyl ester 在
potassium fluoride 、
氧气 、
亚磷酸三乙酯 作用下,
以
二甲基亚砜 为溶剂,
以82%的产率得到(1S,4R,4aS,6S,8S,8aR)-8-(tert-Butyl-dimethyl-silanyloxy)-6-hydroxy-5-oxo-1,4,4a,5,6,7,8,8a-octahydro-1,4-methano-naphthalene-6-carboxylic acid methyl ester