Sodium Carbonate → N,N-dimethyl-4-[3-(1-quinolin-6-ylcyclopropyl)imidazo[1,2-a]pyrimidin-6-yl]benzenesulfonamide

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Sodium carbonate (79.5 mg) in water (0.5 mL) was added to a mixture of N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (93.4 mg, 0.3 mmol), 5-bromopyrimidin-2-amine (43.5 mg, 0.25 mmol) and tetrakis(triphenylphosphine)palladium (8.7 mg, 0.0075 mmol) in ethanol (1.0 mL) and toluene (1.0 mL). The resulting mixture was heated at 120° C. for 2 h. The mixture was diluted with water, filtered, and washed with water. The solid was collected and dried. Chloro(1-quinolin-6-ylcyclopropyl)acetaldehyde (45.0 mg, 0.183 mmol) in isopropanol (1.0 mL) was added to the above solid. The mixture was heated at 90° C. overnight. After cooling to RT, the mixture was diluted with methanol, and purified by RP-HPLC (pH 10) to give the desired product. LCMS: (M+H)=470.1.

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