ethyl 7-(3,5-dimethylisoxazol-4-yl)-5-(methylcarbamoyl)-9H-carbazole-3-carboxylate 、
sodium hydroxide 在
盐酸 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 18.0h,
以to give 3.2 g (97%) of 7-(3,5-dimethylisoxazol-4-yl)-5-(methylcarbamoyl)-9H-carbazole-3-carboxylic acid的产率得到7-(3,5-dimethylisoxazol-4-yl)-5-(methylcarbamoyl)-9H-carbazole-3-carboxylic acid