反应详情

A mixture of 4.4 g (16.7 mmol) of 4-chloro-7-methoxy-6-nitro-quinoline-3-carbonitrile and 2.67 g (18.3 mmol) of 3-chloro-4-fluoro aniline in 110 ml of methoxyethanol was refluxed under nitrogen for 4 hours. The reaction mixture was diluted with ethyl acetate and wash with sodium bicarbonate solution and sodium chloride solution. The organic layer was dried over sodium sulfate and then the solvent was removed under vacuum. The residue was chromatographed on silica gel eluting with mixture of ethyl acetate and methanol to give 3 g yellow solid: mass spectrum (electrospray, m/e): 372.9.

1. temperaturewas refluxed under nitrogen for 4 hours
2. washwash with sodium bicarbonate solution and sodium chloride solution
3. dry with materialThe organic layer was dried over sodium sulfate
4. customthe solvent was removed under vacuum
5. customThe residue was chromatographed on silica gel eluting with mixture of ethyl acetate and methanol