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 (1.55 g, 6.18 mmol) obtained in Example 19, step 2 and 4-fluoro-4-phenylpiperidine hydrochloride (2.0 g, 9.27 mmol), the title compound (1.72 g, 68%) was obtained.