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 (S)-3-methylmorpholine (EXAMPLE 23, Step A) and purified as described in EXAMPLE 1, Step K. MS (ESI): mass calculated for C20H19BrN4O4S, 490.0; m/z found, 489/491 [M−H]−. HPLC (reverse phase): RT=8.36 min. 1H NMR (400 MHz, CDCl3, rotameric broadening): 9.05 (d, J=1.8 Hz, 1H), 9.01 (br s, 1H), 9.00 (d, J=1.8 Hz, 1H), 8.56 (dd, J=7.0, 1.5 Hz, 1H), 8.37 (dd, J=8.4, 1.4 Hz, 1H), 7.91 (dd, J=8.4, 7.4 Hz, 1H), 7.72 (d, J=1.4 Hz, 1H), 7.16 (dd, J=8.0, 1.6 Hz, 1H), 6.94 (d, J=8.0 Hz, 1H), 4.30 (br m, 1H), 3.91-3.82 (m, 1H), 3.68-3.63 (m, 1H), 3.50 (dd, J=11.5, 2.7 Hz, 1H), 3.38-3.22 (m, 2H), 1.35-1.15 (br m, 3H), 1.0-0.9 (m, 1H).

1. custompurified