304 J. Chin. Chem. Soc., Vol. 58, No. 3, 2011
Chou et al.
122.84, 124.60, 124.70, 126.35, 127.11, 129.28, 139.33,
140.66, 141.22, 143.34, 152.39, 154.76. MS (ESI) m/z 268
(M+H). HRMS (ESI) (M+H) calculated for C16H14NOS:
268.0796, found: 268.0794.
133.56, 140.02, 149.14, 158.72, 162.90. MS (EI) m/z (%)
211 (M+, 100), 184 (8), 183 (57), 154 (18). HRMS (EI) cal-
culated for C13H9O2N: 211.2206, found: 211.0634.
2-Methoxy-N-(2¢-methoxybenzylidene)aniline (2g)
IR (CH2Cl2, cm-1) 3356, 2917, 2836, 2014, 1687,
1599, 1493, 1463, 1364, 1242, 1159, 1116, 1021, 881, 745.
1H NMR (CDCl3, 500 MHz) d 3.78 (s, 6H), 6.83-6.95 (m,
6H), 7.07 (t, 1H, J = 8.0 Hz), 7.33 (t, 1H, J = 8.0 Hz), 8.10
(dd, 1H, J = 8.0, 1.5 Hz), 8.81 (s, 1H). 13C NMR (CDCl3,
125 MHz) d 55.51, 55.86, 110.97, 111.38, 120.23, 120.78,
120.95, 124.88, 126.33, 127.82, 132.57, 142.71, 152.41,
159.44. MS (EI) m/z (%) 241 (M+, 3), 211 (1), 136 (19).
HRMS (EI) calculated for C15H15NO2: 241.1102, found:
241.2905.
ACKNOWLEDGEMENTS
We thank the National Science Council of Taiwan,
Republic of China for financial support.
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