Ethylamine → HCID 71179048, compound

Participants

Reaction Steps

Using 7-(2-chloro-5-methylphenylamino)-6-(ethoxycarbonyl)pyrazolo[1,5-a]pyrimidine-3-sulfonic acid (0.72 g, 1.75 mmol) obtained in Example 12 step 2 and ethylamine (2.0 mol/L THF solution; 3.5 mL, 7.01 mmol) instead of tert-butylamine, and in the same manner as in Example 1 step 3, the title compound (0.67 g, 87%) was obtained.

Provenance & Evidence