Benzenesulfonamide, 3-amino- → 3-{4-[(2-Benzylamino-1-ethyl-1H-benzoimidazol-5-yl)-methyl-amino]-pyrimidin-2-ylamino}-benzenesulfonamide hydrochloride

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The title compound was prepared following the procedure of example one with N2-Benzyl-N5-(2-chloro-pyrimidin-4-yl)-1-ethyl-N5-methyl-1H-benzoimidazole-2,5-diamine (98 mg, 0.25 mmol) and 3-amino-benzenesulfonamide (43 mg, 0.25 mmol) as a white solid (34 mg, 24%). 1H NMR (300 MHz, d6-DMSO+NaHCO3) δ 9.61 (s, 1H), 8.56 (s, 1H), 7.75-7.84 (m, 2H), 7.23-7.45 (m, 11H), 7.04 (d, J=7.2 Hz, 1H), 5.71 (d, J=5.7 Hz, 1H), 4.68 (d, J=5.1 Hz, 2H), 4.21 (m, 2H), 3.46 (s, 3H), 1.28 (m, 3H). MS (ESI) m/z=529 [M+H]+.

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