(R)-1-(3-hydrazinylbenzoyl)pyrrolidine-2-carboxamide 、 (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-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-carbothioic S-acid 在
sodium acetate 、
溶剂黄146 作用下,
以
水 为溶剂,
生成 (1R,3aS,3bS,10aS,10bR,11S,12aS)-7-(3-{[(2R)-2-carbamoylpyrrolidin-1-yl]carbonyl}phenyl)-10b-fluoro-1,11-dihydroxy-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-carbothioic S-acid