1-(((4-Methoxyphenyl)thio)methyl)indoline-2,3-dione: orange red solid; m.p: 109-111°C
1H NMR: (CDCl3, 400 MHz): δ 7.63 (m, 2H), 7.33 (d, J = 8.0 Hz, 2H), 7.13 (m, 1H), 7.00 (d, J = 8.0 Hz, 1H), 6.78 (d, J = 8.0 Hz, 2H), 4.98 (s, 2H), 3.76 (s, 3H).
13C NMR (CDCl3, 100 MHz): δ 182.6, 160.6, 157.2, 149.4, 138.3, 136.2, 125.3, 124.1, 121.6, 117.7, 115.0, 112.0, 55.4, 45.8.
IR (CHCl3): 3447, 2921, 1738, 1611, 1590, 1493, 1469, 1363, 1339, 1286, 1267, 1171, 1094, 1022 cm-1.
ESIMS: m/z 300.0 [M+H]+.
HR-ESIMS: m/z 300.0661 calculated for C16H13NO3S+H+ (300.0689)