反应详情

In the same manner as in Example 1, step 2 and using 3-ethoxycarbonyl-7-hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylic acid (1.17 g, 4.65 mmol) obtained in Example 19, step 2 and 4-(4-fluorophenyl)piperidine (1.0 g, 5.58 mmol), the title compound (1.18 g, 62%) was obtained.