Triethylamine → 5-amino-1H-pyrazole-1-carboxamide

Participants

Reaction Steps

A solution of 5.0 g of the product of Example 13 in 50 ml of ethyl alcohol containing 3.0 ml of triethylamine is heated at reflux for 4 hours then concentrated in vacuo to a residue which is stirred with cold water. The resulting solid is filtered, washed with additional cold water and dried to give 4.0 g of the desired product as a yellow crystalline solid. M+H=127.

Provenance & Evidence