(3E,7E)-(1S,11R,12S,18R)-11-(tert-Butyl-dimethyl-silanyloxy)-3,7,11-trimethyl-13,17-dioxa-16-aza-tricyclo[10.5.2.015,18]nonadeca-3,7,15-triene 在
Raney nickel W
2 氢气 、
硼酸 作用下,
以
甲醇 为溶剂,
以59%的产率得到(4E,8E)-(1S,2S,12R,13S)-12-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxy-4,8,12-trimethyl-14-oxa-bicyclo[11.3.1]heptadeca-4,8-dien-16-one