反应详情

Prepared from VII and 2,4-dimethoxyaniline. Flash chromatography eluent (DCM-EtOAc, 5:5). Yield: 59%; orange solid; mp 255-257° C.; IR (KBr) νmax/cm−1 3401, 3081, 2948, 2837, 2233, 1600, 1565, 1540, 1525, 1505, 1443, 1417, 1329, 1278, 1231, 1203, 1159, 1132, 1088, 1030, 959, 915; 1H NMR (300 MHz, DMSO-d6) δ 8.51 (d, 1H, J=9.0 Hz), 7.98 (s, 1H), 7.83 (d, 1H, J=9.0 Hz), 6.95 (m, 1H), 6.67 (s, 1H), 6.58 (d, 1H, J=9.0 Hz), 3.78 (s, 3H), 3.73 (s, 3H); HRMS calcd for C18H14N5O2S (M+H+): 364.0868, found 364.0856.