2-Fluoro-5-methylaniline → 3-Ethoxycarbonyl-7-(2-fluoro-5-methylphenylamino)-6-(2H-spiro[benzofuran-3,4'-piperidine]-1'-ylcarbonyl)pyrazolo[1,5-a]pyrimidine

Participants

Reaction Steps

In the same manner as in Example 19, step 5 and using 7-chloro-3-ethoxycarbonyl-6-(2H-spiro[benzofuran-3,4′-piperidine]-1′-ylcarbonyl)pyrazolo[1,5-a]pyrimidine (0.24 g, 0.54 mmol) obtained in step 2 and 2-fluoro-5-methylaniline (0.1 g, 0.82 mmol), the title compound (0.25 g, 88%) was obtained.

Provenance & Evidence