(8S,9S,10R,11S,13S,14S,17R)-2-formyl-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid 、
3-hydrazinyl-N-(2-methoxyethyl)benzamide 在
溶剂黄146 作用下,
以
水 为溶剂,
生成 (1R,3aS,3bS,10aR,10bS,11S,12aS)-1,11-dihydroxy-7-{3-[(2-methoxyethyl)carbamoyl]phenyl}-10a,12a-dimethyl-1,2,3,3a,3b,4,5,7,10,10a,10b,11,12,12a-tetradecahydrocyclopenta[5,6]naphtho[1,2-f]indazole-1-carboxylic acid