(1S,1'R,2S,7R,8S,10R,12S,14S,15S)-2R-[7,15-bis-(tert-butyl-dimethylsilanyloxy)-16-carboxy-6-cyano-8,10,12,14-tetramethyl-1-triethylsilanyloxy-hexadeca-3E,5Z-dienyl]-cyclopentane-1'-carboxylic acid 2-trimethylsilanyl-ethyl ester 在
4-甲基苯磺酸吡啶 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以50 mg的产率得到(1S,1'R,2S,2'R,7R,8S,10R,12S,14S,15S)-2-[7,15-bis-(tert-butyl-dimethylsilanyloxy)-16-carboxy-6-cyano-1-hydroxy-8,10,12,14-tetramethyl-hexadeca-3E,5Z-dienyl]-cyclopentane-1'-carboxylic acid 2-trimethylsilanyl-ethyl ester