Potassium Carbonate → Methyl 2-(1,3,4,5-tetrahydro-2H-2-benzazepin-2-yl)quinoline-4-carboxylate

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Reaktionsschritte

The mixture of 2-chloroquinoline-4-carboxylic acid methyl ester (3 g, 13.5 mmol), 2,3,4,5-tetrahydro-1H-2-benzazepine hydrochloride (3 g, 16.3 mmol), potassium carbonate (4.5 g, 32.6 mmol), tetrabutylammonium iodide (300 mg) and toluene (60 mL) was heated with stirring at 110° C. for 5 days. The solvent was removed under reduced pressure to give a residue which was purified by column chromatography on silica gel (ethyl acetate/petroleum ether, 1:4) to give 1.97 g of product as a yellow solid. MS obsd. (ESI+) [(M+H)+] 333.

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