Cesium carbonate → 3-Cyclobutyl-7-{[6-methyl-4-(methyloxy)-2-quinolinyl]oxy}-2,3,4,5-tetrahydro-1H-3-benzazepine

Participants

Reaction Conditions

Reaction Steps

A mixture of 3-cyclobutyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-ol (E3) (58 mg, 0.267 mmol), 2-chloro-6-methyl-4-(methyloxy)quinoline (WO 99/55677) (56 mg, 0.027 mmol) and cesium carbonate (260 mg, 0.801 mmol) in dry DMF (3 ml) was heated at 150° C. for 2×30 mins. (300 W) in a microwave reactor. The cooled reaction mixture was partitioned between ethyl acetate (3×20 ml) and water (30 ml). The combined organic layers were washed with brine (2×30 ml), dried (Na2SO4), filtered and concentrated in vacuo. Purification of the resulting residue by column chromatography on silica gel, eluting with a mixture of 0.880 ammonia:methanol:dichloromethane (0.5:4.5:95) to afford the title compound (E227); MS (ES+) m/e 389 [M+H]+.

Provenance & Evidence