methyl (6R,7S,8S,E)-7-(tert-butyldimethylsilyloxy)-9-(4-methoxybenzyloxy)-4,4,6,8-tetramethyl-5-oxonon-2-enoate 在
5% Pd/C 、
氢气 作用下,
以
甲醇 为溶剂,
反应 20.5h,
以95%的产率得到methyl (6R,7S,8S)-7-(tert-butyldimethylsilyloxy)-9-(4-methoxybenzyloxy)-4,4,6,8-tetramethyl-5-oxononanoate