1-(1-cyclopentenyl)-1-<(tert-butyldimethylsilyl)oxy>ethene 、
2-甲基-6-氧代环己烯-1-羧酸甲酯 反应 66.0h,
以20%的产率得到(5aS,9aS,9bR)-4-(tert-Butyl-dimethyl-silanyloxy)-5a-methyl-9-oxo-1,2,3,5,5a,6,7,8,9,9b-decahydro-cyclopenta[a]naphthalene-9a-carboxylic acid methyl ester