(+/-)-17-Furfuryliden-3α-acetoxy-13α-<2-cyano-propyl>-D-homo-18-nor-aetiocholanon-17a 在
氢氧化钾 作用下,
以
甲醇 为溶剂,
生成 (1S,2S,4aS,4bS,7R,8aR,10aR)-1-(2-Carboxy-ethyl)-2-((R)-2-carboxy-propyl)-7-hydroxy-4b-methyl-tetradecahydro-phenanthrene-2-carboxylic acid methyl ester