反应详情

The title compound was prepared according to the method described for preparing compound 10.4, using compound 22.3 and 3,4-dichlorobenzaldehyde as the starting materials. 1H NMR (300 MHz) (CDCl3) δ 9.84 (1H, s); 7.82 (1H, d, J=1.8 Hz); 7.49 (1H, dd, J=1.8, 8.4 Hz); 7.40 (1H, d, J=8.4 Hz); 6.63 (1H, d, J=8.4 Hz); 6.59 (1H, d, J=8.0 Hz); 4.70 (2H, s); 4.30 (2H, q, J=7.0 Hz); 2.82-2.70 (4H, m); 1.77-1.70 (4H, m); 1.32 (3H, t, J=7.0 Hz).