反应详情

(R)-4-Chloro-N-[1-(4-fluororhenyl)ethyl]-2-(quinoxaline-5-sulfonylamino)-benzamide. The title compound was prepared from the HATU-mediated coupling of 4-chloro-2-(quinoxaline-5-sulfonylamino)benzoic acid (EXAMPLE 3, Step B) and (R)-1-(4-fluorophenyl)ethylamine hydrochloride and purified as described in EXAMPLE 1, Step K. MS (ESI): mass calculated for C23H18ClFN4O3S, 484.1; m/z found, 483 [M−H]−. HPLC (reverse phase): RT=9.95 min. 1H NMR (500 MHz, CDCl3): 11.40 (s, 1H), 8.84 (d, J=1.8 Hz, 1H), 8.77 (d, J=1.8 Hz, 1H), 8.57 (dd, J=7.4, 1.4 Hz, 1H), 8.31 (dd, J=7.4, 1.4 Hz, 1H), 7.87 (dd, J=8.4, 7.4 Hz, 1H), 7.77 (d, J=2.0 Hz, 1H), 7.30-7.27 (m, 2H), 7.22 (d, J=8.4 Hz, 1H), 7.08-7.04 (m, 2H), 6.91 (dd, J=8.4, 2.0 Hz, 1H), 6.11 (br d, J=6.5 Hz, 1H), 5.24-5.20 (m, 1H), 1.53 (d, J=7.0 Hz, 3H).

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