(2R,3R,9S,10R,11R)-1,2-(diethylmethylenedioxy)-12-(4-methoxybenzyl)oxy-3,9,11-trimethyl-10-(triethylsilyl)oxy-7-dodecen-6-one 在
Raney Ni(W
2) 、 camphor-10-sulfonic acid 、
氢气 、
乙酸乙酯 作用下,
生成
<2R,3R,6R,8R,8(1R),9S>-<3,9-dimethyl-8-<<1-methyl-2-(4-methoxybenzyl)oxy>ethyl>-1,7-dioxaspiro<5.5>undecan-2-yl>methanol