反应详情

56 mg of 6,6-diphenyl-6,7-dihydro-1H-indazole-3-carboxylic acid and 10 cm3 of methanol are treated as in Example 2-1 to give 39 mg of methyl 6,6-diphenyl-6,7-dihydro-2H-indazole-3-carboxylate, in the form of a white foam, the characteristics of which are as follows: