Ethylamine → HCID 71178971, compound

Participants

Reaction Steps

Using 7-(4-chloro-2-methylphenylamino)-6-(ethoxycarbonyl)pyrazolo[1,5-a]pyrimidine-3-sulfonic acid (1.00 g, 2.43 mmol) obtained in step 2 and ethylamine (2.0 mol/L THF solution; 4.9 mL, 9.74 mmol) instead of tert-butylamine, and in the same manner as in Example 1 step 3, the title compound (1.01 g, 95%) was obtained.

Provenance & Evidence