(1R,2R,4R,5R,7R)-2-[(Z)-4-(tert-Butyl-dimethyl-silanyloxy)-but-2-enyl]-4-(2-methoxycarbonyl-ethyl)-5,8,8-trimethyl-3-oxo-bicyclo[5.1.0]octane-4-carboxylic acid methyl ester 生成
(1R,2R,4R,5R,7R)-4-(2-Carboxy-ethyl)-2-((Z)-4-hydroxy-but-2-enyl)-5,8,8-trimethyl-3-oxo-bicyclo[5.1.0]octane-4-carboxylic acid methyl ester