反应详情

3-Methylindazole (3.30 g), 3.92 g of 2-chlorobenzoic acid, 3.82 g of potassium carbonate and 0.18 g of copper(II) oxide were subjected to reaction in the same manner as in Example 1 to obtain 4.58 g (72.7%) of 1-(2-carboxyphenyl)-3-methylindazole.