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10. Compound 2: 1H NMR (400 MHz, CDCl3), d (ppm): 5.65
(s, 2H), 6.97 (dd, J = 1.5 and J = 7.4 Hz, 1H), 7.37–7.46
(m, 3H), 7.50 (t, J = 7.39 Hz, 2H), 7.60 (tt, J = 1.5 and
J = 7.4 Hz, 1H), 8.09 (d, J = 7.2 Hz, 2H), 8.14 (dd, J = 1.7
and J = 8.3 Hz, 1H), 8.97 (dd, J = 1.7 and J = 4.2 Hz,
1H). 13C NMR (100 MHz, CDCl3), d (ppm): 71.89,
110.12, 120.78, 121.70, 126.42, 128.18, 128.83, 129.60,
133.85, 134.52, 135.97, 140.19, 149.39, 153.82, 194.45.
HRMS: calcd for (C17H13O2N + H)+ m/z 264.1032, found
1
264.1030. Compound 3: H NMR (400 MHz, CDCl3), d
(ppm): 7.33–7.40 (m, 4H), 7.48 (m, 4H), 7.55 (d,
J = 7.4 Hz, 3H), 7.63 (s, 1H), 8.09 (dd, J = 1.3 and
J = 8.3 Hz, 2H), 8.54 (d, J = 7.5 Hz, 2H), 8.72 (dd, J = 1.5
and J = 4.2 Hz, 2H,). 13C NMR (100 MHz, CDCl3), d
(ppm): 101.34, 117.11, 121.36, 122.85, 126.47, 128.38,
129.56, 129.93, 133.28, 134.46, 135.93, 140.73, 149.11,
151.76. HRMS: calcd (C26H18O3N2 + H)+ m/z 407.1401,
found 407.1395.
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