(4S,5S,6S,7S,8S,E)-ethyl-9-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-7-(4-methoxybenzyloxy)-4,6,8-trimethylnon-2-enoate 在
sodium tetrahydroborate 、 nickel(II) chloride hexahydrate 作用下,
以
甲醇 为溶剂,
以88%的产率得到(4S,5S,6S,7S,8S)-ethyl 9-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-7-(4-methoxybenzyloxy)-4,6,8-trimethylnonanoate