4-Iodo-2-(quinoxaline-5-sulfonylamino)benzoic acid → (+/-)-N-[2-(3,4-Dichloro-phenyl)-propyl]-4-iodo-2-(quinoxaline-5-sulfonylamino)-benzamide

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Reaction Steps

The title compound was prepared from 4-iodo-2-(quinoxaline-5-sulfonylamino)-benzoic acid and (±)-2-(3,4-dichloro-phenyl)-propylamine hydrochloride as in EXAMPLE 1, Part C. HPLC: RT=10.97 min. MS (ESI+): mass calcd. for C24H19Cl2IN4O3S, 639.96; m/z found, 641/643 [M+H]+; m/z found, 663/665 [M+Na]+. 1H NMR (400 MHz, CDCl3): 11.07 (s, 1H), 9.03 (d, J=1.8, 1H), 8.95 (d, J=1.8, 1H), 8.56 (dd, J=7.4, 1.4, 1H), 8.33 (dd, J=8.5, 1.4, 1H), 8.05 (d, J=1.6, 1H), 7.91-7.87 (m, 1H), 7.39 (d, J=8.2, 1H), 7.28-7.24 (m, 2H), 7.02 (dd, J=8.3, 2.1, 1H), 6.75 (d, J=8.2, 1H), 5.81 (s, 1H), 3.68-3.61 (m, 1H), 3.31-3.24 (m, 1H), 3.00-2.95 (m, 1H), 1.29 (d, J=7.0, 3H).

Provenance & Evidence