((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-acetoxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl-1,1-d2)icosahydro-3aH-cyclopenta[a]chrysen-3a-yl)methyl acetate 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
以95%的产率得到((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl-1,1-d2)icosahydro-3aH-cyclopenta[a]chrysen-3a-yl)methyl acetate