HCID 69415327, compound → HCID 18449162, compound

Participants

Reaction Conditions

Reaction Steps

A suspension of 1-methoxy-4-(2-pyridin-4-ylethylamino)-[1,2,4]triazolo[4,3-a]quinoxaline-7-carboxylic acid methyl ester (47 mg) in acetic acid (3 mL) and hydrobromic acid (1 mL) was stirred at 23° C. for 60 min., and was then heated to 100° C. for 90 min. After cooling to 23° C., the solution was concentrated and the resulting residue was triturated with MeOH/methylene chloride. Filtration afforded the title compound as a white solid. MS (M+H)+=351.3.

Provenance & Evidence