(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-acetoxy-1-isopropyl-5a,5b,8,8,11a-pentamethylicosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid 、
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物 在
氰化汞 作用下,
以
乙醚 、
乙腈 为溶剂,
反应 16.0h,
以24%的产率得到(1S,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-Acetoxy-1-isopropyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-carboxylic acid (2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl ester