反应详情

(3-Methoxy-4-nitro-phenyl)-(3,5-dimethoxy-phenyl)-methanol was prepared analogously to 3-(3-amino-4-methoxy-phenyl)-3-(3,4-dimethoxy-phenyl)-acrylonitrile using 3,5-dimethoxy-bromobenzene (4.4 g, 20.1 mmol), magnesium turning (1.0 g, 20.1 mmol) and 3-methoxy-4-nitro-benzaldehyde (3.0 g, 16.8 mmol) to afford (3-methoxy-4-nitro-phenyl)-(3,5-dimethoxy-phenyl)-methanol (3.9 g, 73%): 1H NMR (CDCl3) δ 7.79 (d, J=8 Hz, 1H), 7.22 (s, 1H), 7.00-6.99 (dd, J=2, 9.1 Hz, 1H), 6.48 (d, J=2 Hz, 2H), 6.40 (d, J=2 Hz, 1H), 5.75 (d, J=3 Hz, 1H), 3.96 (s, 3H), 3.77 (s, 6H), 2.45 (d, J=2 Hz, 1H).