{(2R,5S,6S,8S,10S)-10-(2-Benzyloxy-ethyl)-2-[2-(4-methoxy-benzyloxy)-ethyl]-5-methyl-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-5-yloxy}-triethyl-silane 在
Raney Ni (W
2)
氢气 作用下,
以
乙醇 为溶剂,
反应 4.0h,
以81%的产率得到2-{(2S,6S,8S,10R,13S)-10-[2-(4-Methoxy-benzyloxy)-ethyl]-13-methyl-13-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-2-yl}-ethanol