6-Chlor-16-methylen-3β-hydroxy-17α-acetoxy-pregna-4,6-dien-20-on 在
potassium hydrogencarbonate 作用下,
以
甲醇 为溶剂,
生成 1-((3S,8R,9S,10R,13S,14S,17R)-6-Chloro-3,17-dihydroxy-10,13-dimethyl-16-methylene-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethanone