3α-acetoxy-5α-lanosta-8,24-dien-21-oic acid ester β-D-glucoside 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以0.02 mmol的产率得到(3R,5R,10S,13R,14R,17R)-17-((R)-1-Hydroxymethyl-5-methyl-hex-4-enyl)-4,4,10,13,14-pentamethyl-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol