Acetic Anhydride → HCID 20551279, compound

Participants

Reaction Steps

A mixture of 4.6 g (20 mmol) of 6-(3-aminophenyl)-1,2-dihydro-2-oxonicotinic acid and 100 ml of acetic anhydride is stirred at reflux for 2 hrs. The reaction is cooled and the solid filtered, washed with acetonitrile and ether, and dried to give 4.12 of 6-[3(acetylamino)phenyl]-1,2-dihydro-2-oxonicotinic acid.

Provenance & Evidence