Cesium carbonate → 2-(3-fluoro-4-methoxyphenylamino)-N-(4-fluorophenyl)nicotinamide

Participants

Reaction Conditions

Reaction Steps

A 1 L round-bottomed flask was charged with cesium carbonate (11.1 g, 34.1 mmol), 4-bromo-2-fluoro-1-methoxybenzene (5.00 g, 24.4 mmol), 2-amino-N-(4-fluorophenyl)nicotinamide (7.61 g, 32.9 mmol), and dioxane (250 mL). The reaction mixture was degassed with nitrogen for 10 minutes, and Xanphos (0.564 g, 0.975 mmol) and Pd2dba3 (0.670 g, 0.732 mmol) were added. The reaction mixture was heated at 90° C. for 48 hours. The reaction mixture was cooled to ambient temperature and diluted with water. The reaction mixture was extracted with EtOAc, dried over sodium sulfate, filtered and concentrated. The crude material was purified by silica gel chromatography (biotage 65) eluting with DCM/MeOH (3%). Isolated 8.50 g (93%) of the product. LRMS M+1 (365.0) observed.

Provenance & Evidence