Tetramethyl orthocarbonate → HCID 86594420, compound

Participants

Reaction Conditions

Reaction Steps

A solution of 3-chloro-2-hydrazino-quinoxaline-6-carboxylic acid methyl ester (890 mg) in tetramethylorthocarbonate (10 mL) was heated at 100° C. for three hrs. After cooling to 23° C., the precipitated solid was isolated by filtration and rinsed with EtOAc, providing 4-chloro-1-methoxy-[1,2,4]triazolo[4,3-a]quinoxaline-7-carboxylic acid methyl ester as an orange solid. MS (M+H)+=293.2.

Provenance & Evidence