反应详情

The title compound was prepared from the HATU-mediated coupling of 4-iodo-2-(quinoxaline-5-sulfonylamino)benzoic acid (EXAMPLE 4, Step D) and morpholine and purified as described in EXAMPLE 1, Step K. MS (ESI): mass calculated for C19H17IN4O4S, 524.0; m/z found, 523 [M−H]−. HPLC (reverse phase): RT=8.32 min. 1H NMR (500 MHz, CDCl3, rotameric broadening): 9.06 (d, J=1.8 Hz, 1H), 9.02 (d, J=1.8 Hz, 1H), 9.01 (br s, 1H), 8.51 (dd, J=7.0, 1.5 Hz, 1H), 8.37 (dd, J=8.4, 1.4 Hz, 1H), 7.96 (d, J=1.5 Hz, 1H), 7.90 (dd, J=8.4, 7.4 Hz, 1H), 7.38 (dd, J=8.0, 1.6 Hz, 1H), 6.76 (d, J=8.0 Hz, 1H), 3.70-3.40 (br m, 6H), 3.30-3.05 (br m, 2H).

1. custompurified