17-(3-benzoyl-1-phenyl-1H-pyrazol-4-carbonyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclo-penta[a]phenanthren-3-one 在
一水合肼 作用下,
以
乙醇 为溶剂,
反应 4.0h,
以59%的产率得到17-(2,7-diphenyl-2H-pyrazolo[3,4-d]-pyridazin-4-yl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one