Acetic Acid → HCID 19421444, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 1.5 g (~4.7 mmol) of 4-chloro-1-ethoxycarbonyl-7-nitro[1,2,4]triazolo[4,3-a]quinoxaline and 25 ml of glacial acetic acid was refluxed for 60 min. After cooling to 25° C. the precipitate was filtered off to give 1.5 g of a crude product. Purification by column chromatography (silica gel; eluent: ethyl acetate) gave 1.2 g (~90%) of the title compound.

Provenance & Evidence