4-Methylmorpholine → N-{4-[(3-Chloro-4-fluoro-phenyl)amino]-3-cyano-6-quinolinyl}-2-butynamide

Participants

Reaction Conditions

Reaction Steps

Dissolved 336 mg (4.00 mmol) 2-butynoic acid in 20 ml of THF and chilled to 0° C. under N2. Added 520 μl (4.00 mmol) isobutyl chloroformate and 440 μl (4.00 mmol) N-methylmorpholine and stirred for 10 minutes. Added a solution of 500 mg (1.60 mmol) 6-amino-4-[(3-chloro-4-fluorophenyl)amino]-3-quinolinecarbonitrile, stirred for 15 minutes at 0° C. and then at 25° C. overnight. Stripped solvent, washed with water, collected and dried in vacuo. Recrystallized from ethyl acetate, giving 148 mg of a yellow solid: mass spectrum (electrospray m/e): M+H=379.1, 381.1.

Provenance & Evidence