反应详情

In the same manner as in Example 7-4 and using a mixture of 1-methyl-1H-tetrazole-5-carboxylic acid (1) and 2-methyl-2H-tetrazole-5-carboxylic acid (2) ((1):(2)≈1:1, 200 mg, 1.56 mmol), oxalyl chloride (141 μL, 1.72 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide (70.0 mg, 0.227 mmol), tetrahydrofuran (10 mL), N,N-dimethylformamide (1 drop) and N,N-dimethylacetamide (3 mL) as starting materials, the title compound (51.5 mg, 54%) was obtained as a white solid.