“…White solid (259.0 mg, 74%). Mp 85-86 °C; 1 H NMR (DMSO-d6) δ 8.48 (bs, 1H, NH), 6.29 (s, 1H, Ar-H), 7.05 (m, 3H, Ar-H), 3.58 (t, J 6.5 Hz, 2H,CH2N), 2.63 (t, J 6.5 Hz, 2H, CH2S), 1.86 (m, 2H, CH2); 13 C NMR (DMSO-d6) δ 169. 8, 143.7, 130.6, 123.2, 121.7, 120.3, 117.1, 44.7, 33.7, 27.4…”