Morpholine → 6-Chloro-2-morpholin-4-yl-4-phenyl-quinoline-3-carboxylic acid ethyl ester

Participants

Reaction Conditions

Reaction Steps

To a stirred solution of 2,6-dichloro-4-phenyl-quinoline-3-carboxylic acid ethyl ester (prepared as described in example 11 step B, 100 mg, 0.29 mmol) in a sealed tube was added morpholine (0.038 ml, 0.43 mmol). Then the mixture was stirred at 150° C. for 3 h. After cooling, this reaction mixture was diluted with water and extracted with ethyl acetate. The organic layer was washed with brine, dried over sodium sulfate and concentrated in vacuo to afford a crude residue which was purified by flash column chromatography (100-200 mesh silica, eluting with 10% ethyl acetate in hexane) to give 6-chloro-2-morpholin-4-yl-4-phenyl-quinoline-3-carboxylic acid ethyl ester (65 mg, 57%) as pale yellow solid. LC-MS: 397 (M+H)+.

Provenance & Evidence