4-(1,2-Dihydro-2-phenylquinoxalin-3-yl)-N,N-dimethylbenzenamine (3g). (0.63 g, m.p. 190-192 °C, yields 96%), IR (KBr) (. max, cm-1): 3329, 3056, 2957, 1612, 1565, 1519, 1495. 1H NMR (500 MHz, CDCl3) d 3.01 (s, 6H, 2CH3), 4.41 (CH), 5.68 (s, 1H, NH), 6.50 (d, 1H, J = 7.7 Hz), 6.68 (d, 2H, J = 9.6 Hz), 6.81 (td, 1H, J = 7.6 Hz, 1.2 Hz), 6.98 (td, 1H, J = 7.6 Hz, 1.2 Hz), 7.21-7.30 (m, 5H), 7.44 (d, 1H, J = 7.7 Hz), 7.90 (d, 2H, J = 9.6 Hz) ppm. 13C NMR (125 MHz, CDCl3) d 40.08 (2CH3), 54.42 (CH), 111.44 (CH), 113.68 (CH), 118.93 (CH), 124.75 (C), 126.66 (CH), 127.37 (CH), 127.98 (CH), 128.65 (CH), 129.08 (CH), 133.86 (CH), 134.78 (C), 141.28 (C), 145.10 (C), 151.71 (C), 157.64 (C) ppm. Anal. Calcd. for C22H21N3 (327.43): C, 80.70; H, 6.46; N, 12.83%. Found: C, 80.58; H, 6.59; N, 12.58%.
Acknowledgements
We thank the Shahid Bahonar University for financial support as a Grant-in-Aid for Scientific Research.
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