反应详情

A solution of 6.7 g (28 mmoles) of 2-nitro-3,4,5,6-tetrafluorobenzoic acid [Tetrahedron, 23, 4719, (1967)], 3.8 g (30 mmoles) of oxalyl chloride and 50 ml of dichloromethane was treated with four drops of N,N-dimethylformamide and stirred at room temperature overnight. The solvent was removed and the residue was used as is without further purification.

1. customThe solvent was removed
2. customas is without further purification