methyl 17ζ-hydroxy-12-methoxy-4α,17ζ-dimethyl-15,16-diphenyl-18-nor-5α-androsta-8,11,13,15-tetraene-4β-carboxylate 在
盐酸 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 0.67h,
以90%的产率得到methyl 12-methoxy-4α-methyl-17-methylene-15,16-diphenyl-18-nor-5α-androsta-8,11,13,15,17-pentaene-4β-carboxylate