16-亚甲基氯地孕酮 在
sodium tetrahydroborate 、
potassium hydrogencarbonate 作用下,
以
甲醇 为溶剂,
生成 (3S,8R,9S,10R,13S,14S,17R)-6-Chloro-17-((R)-1-hydroxy-ethyl)-10,13-dimethyl-16-methylene-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol