Acetonitrile → 2-Chloro-N-(4-(4,6-dichloropyrimidin-2-ylthio)phenyl)benzamide

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A 250 mL round bottom flask was charged with 4,6-dichloro-2-methanesulfonylpyrimidine (7.00 g, 26.6 mmol), 2-chloro-N-(4-mercapto-phenyl)-benzamide (6.33 g, 27.9 mmol) and acetonitrile (100 mL) under nitrogen. Once the solid had dissolved, the reaction mixture was cooled to 0° C. and triethylamine (3.7 mL, 26.6 mmol) was added dropwise. The solution was stirred at 0° C. for 10 min and then allowed to warm to room temperature and stirred for 1 h. After this time, water (50 mL) was added and a white solid precipitated and the reaction mixture stirred for an additional 4 h. After this time, the reaction mixture was filtered and the solid washed with acetonitrile (2×10 mL) to give the title compound as a white solid (8.03 g, 74%). 1H NMR (DMSO) 7.4-7.6 (5H, m), 7.7 (1H, s), 7.80-7.85 (2H, d), 10.9 (1H, s). MS (ES+): 412

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