反应详情

The title compound was prepared from the HATU-mediated coupling of 4-bromo-2-(quinoxaline-5-sulfonylamino)benzoic acid (EXAMPLE 1, Step G) and (R)-1-(4-fluorophenyl)ethylamine hydrochloride (EXAMPLE 7, Step C) and purified as described in EXAMPLE 1, Step K. MS (ESI): mass calculated for C23H18BrFN4O3S, 528.0; m/z found, 527/529 [M−H]−. HPLC (reverse phase): RT=10.03 min. 1H NMR (500 MHz, CDCl3): 11.34 (s, 1H), 8.85 (d, J=1.8 Hz, 1H), 8.78 (d, J=1.8 Hz, 1H), 8.57 (dd, J=7.4, 1.4 Hz, 1H), 8.32 (dd, J=7.4, 1.4 Hz, 1H), 7.92 (d, J=1.8 Hz, 1H), 7.87 (dd, J=8.4, 7.4 Hz, 1H), 7.30-7.25 (m, 2H), 7.15 (d, J=8.4 Hz, 1H), 7.10-7.00 (m, 2H), 6.91 (dd, J=8.4, 2.0 Hz, 1H), 6.13 (br d, J=6.5 Hz, 1H), 5.25-5.15 (m, 1H), 1.53 (d, J=7.0 Hz, 3H).

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