反应详情

Prepared from VII and 2,4-dichloroaniline. Flash chromatography eluent (DCM-EtOAc, 5:5). Yield: 32%; yellow solid; mp>260° C.; IR (KBr) νmax/cm−1 3063, 2231, 1736, 1644, 1611, 1577, 1459, 1380, 1355, 1310, 1242, 1173, 1098, 1051, 983, 830, 818; 1H NMR (300 MHz, DMSO-d6) δ 8.56 (d, 1H, J=9.0 Hz), 8.21 (s, 1H), 7.80 (d, 1H, J=9.0 Hz), 7.63 (s, 1H), 7.39 (d, 1H, J=8.1 Hz), 7.25 (d, 1H, J=8.1 Hz); HRMS calcd for C16H8N5SCl2 (M+H+): 371.9877, found 371.9877.