反应详情

Prepared from VII and 2-bromo-3,4-(methylenedioxy)aniline. Flash chromatography eluent (DCM-EtOAc, 5:5). Yield: 21%; yellow solid, mp>260° C.; IR (KBr) νmax/cm−1 2887, 2233, 1632, 1610, 1581, 1501, 1484, 1465, 1379, 1348, 1303, 1267, 1232, 1161, 1116, 1034, 970, 929, 829; 1H NMR (300 MHz, DMSO-d6) δ 8.49 (d, 1H, J=9.0 Hz), 8.06 (s, 1H), 7.77 (d, 1H, J=9.0 Hz), 7.25 (s, 1H), 6.83 (s, 1H), 6.06 (s, 2H); HRMS calcd for C17H9N5O2SBr (M+H+): 425.9660, found 425.9646.