3-(p-methoxyphenyl)-4-ethoxycarbonyl-5-hydroxy-5-methyl-2-carboxanilide-cyclohexan-1-one 、
苯肼 在
sodium acetate 作用下,
以
溶剂黄146 为溶剂,
反应 6.0h,
以92%的产率得到4-(4-Methoxy-phenyl)-6-methyl-3-oxo-2-phenyl-3,3a,4,5-tetrahydro-2H-indazole-5-carboxylic acid ethyl ester