Ethylamine → HCID 71178913, compound

Participants

Reaction Steps

Using 6-ethoxycarbonyl-7-(4-fluoro-2-methylphenylamino)pyrazolo[1,5-a]pyrimidine-3-sulfonic acid (0.500 g, 1.268 mmol) obtained in Example 1 step 2 and ethylamine (2.0 mol/L THF solution; 2.5 mL, 5.071 mmol) instead of tert-butylamine, and in the same manner as in Example 1 step 3, the title compound (0.178 g, 33%) was obtained.

Provenance & Evidence