pyrocincholic acid 3β-O-β-6-deoxy-D-glucopyranoside-28-O-β-D-glucopyranoside 在
氢氧化钾 作用下,
以
甲醇 为溶剂,
反应 4.0h,
生成 (4aS,6bR,10S,12aR)-2,2,6b,9,9,12a-Hexamethyl-10-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-1,3,4,5,6,6b,7,8,8a,9,10,11,12,12a,12b,13,14,14b-octadecahydro-2H-picene-4a-carboxylic acid