2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-chlorobenzoic acid → (+/-)-2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-chloro-N-[2-(3,4-dichloro-phenyl)-propyl]-benzamide

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Reaction Steps

The title compound was prepared from 2-(benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-chloro-benzoic acid and (±)-2-(3,4-dichloro-phenyl)-propylamine hydrochloride as in EXAMPLE 1, Part C. HPLC: RT=11.97 min. MS (ESI−): mass calcd. for C22H17Cl3N4O3S2, 553.98; m/z found, 553/555/557 [M−H]. 1H NMR (400 MHz, CDCl3): 11.51 (s, 1H), 8.36 (dd, J=7.0, 1.1, 1H), 8.22 (dd, J=8.8, 1.0, 1H), 7.74-7.70 (m, 2H), 7.40 (d, J=8.2, 1H), 7.29 (d, J=2.1, 1H), 7.04 (dd, J=8.3, 2.1, 1H), 7.01-6.99 (m, 1H), 6.89 (dd, J=8.4, 2.0, 1H), 5.81 (s, 1H), 3.74-3.67 (m, 1H), 3.34-3.28 (m, 1H), 3.06-2.98 (m, 1H), 1.30 (d, J=7.0, 3H).

Provenance & Evidence