Phosphorus tribromide → HCID 20821149, compound

Participants

Reaction Steps

A mixture of 6-benzoyl-3-trifluoromethylquinoxalin-2(1H)-one (1.0 g, 3.13 mmol) [J. Org. Chem. 57(21). 5630,1992] and 10 ml of phosphorous tribromide was refluxed for 5 hours. The mixture was cooled and poured into ice water and the precipitate was isolated, washed with water and dried. Yield 0.87 g (73%) of the title compound as beige crystals.

Provenance & Evidence