反应详情

A solution of 41 g (0.13 mol) of 6-trifluoroacetamido-7-nitro-2,3(1H,4H)-quinoxalinedione in 300 ml of ethanol and 700 ml of 3 molar hydrochloric acid was refluxed for 3 hours. The reaction mixture was cooled, and the crude product was filtered off and worked up by conventional methods.

1. temperatureThe reaction mixture was cooled
2. filtrationthe crude product was filtered off