7-(2,5-Dimethylphenylamino)-3-ethoxycarbonylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid → 7-(2,5-Dimethylphenylamino)-3-ethoxycarbonyl-6-[4-fluoro-4-(4-fluorophenyl)piperidine-1-carbonyl]pyrazolo[1,5-a]pyrimidine

Participants

Reaction Steps

In the same manner as in Example 21, step 5 and using 7-(2,5-dimethylphenylamino)-3-ethoxycarbonylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (100 mg, 0.28 mmol) obtained in Example 88, step 2 and 4-fluoro-4-(4-fluorophenyl)piperidine hydrochloride (79 mg, 0.34 mmol), the title compound (80 mg, 54%) was obtained.

Provenance & Evidence