Sodium Carbonate → N-(4-chlorophenyl)-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide

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A mixture of 1-pyridin-2-ylpiperazine (24 mg, 0.15 mmol, Aldrich), N-(4-chlorophenyl)-2-chloroacetamide (41 mg, 0.20 mmol, Maybridge) and sodium carbonate (50 mg) in N,N-dimethylformamide/water (2:1, 2 mL) was shaken at room temperature for 18 hours. The resulting mixture was decanted, concentrated under reduced pressure and the residue purified by preparative HPLC to provide 42 mg (85%) of the desired product. 1H NMR (500 MHz, DMSO-d6) δ b2.60 (t, J=4 Hz, 4H), 3.21 (s, 2H), 3.58 (t, J=4 Hz, 4H), 6.63 (t, J=5 Hz, 1H), 6.83 (d, J=6 Hz, 1H), 7.38 (d, J=6 Hz, 2H), 7.54 (t, J=6 Hz, 1H), 7.70 (d, J=6 Hz, 2H), 8.12 (d, J=5 Hz, 1H), 9.90 (s, 1H); MS (ESI/APCI+) m/e 331 (M+H)+.

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