3β-(2',3',4'-triacetyl-α-L-rhamnopyranosyl)oxy-5β-pregnan-20-one-1β,5,11α,14β,19-pentol 1,11,19-triacetate 21-hydroxyacetate 在
溶剂黄146 、
锌 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以61 mg的产率得到3β-(2',3',4'-triacetyl-α-L-rhamnopyranosyl)oxy-5β-pregnan-20-one-1β,5,11α,14β,19-pentol 1,11,19-triacetate