反应详情

The title compound (43.2 mg, 87% yield) was prepared as a brown solid from 6-(6,7-dimethoxyquinazolin-4-yloxy)-1-naphthoic acid (37.6 mg, 0.1 mmol) and 4-methoxy-o-phenylenediamine (16.5 mg, 0.12 mmol) by an analogous procedure to that described in example 16. 1H NMR (DMSO-d6) δ 3.70 (s, 3H, —OCH3), 4.01 (s, 6H, 2×OCH3), 5.00 (s, 2H, benzene-NH2), 6.23 (dd, J=2.6 and 8.6 Hz, 1H, Ar—H), 6.40 (d, J=2.6 Hz, 1H, Ar—H), 7.22 (d, J=8.6 Hz, 1H, Ar—H), 7.41 (s, 1H, Ar—H), 7.59 (dd, J=2.2 and 9.1 Hz, 1H, Ar—H), 7.62-7.66 (m, 2H, Ar—H), 7.86 (d, J=6.9 Hz, 1H, Ar—H), 7.96 (d, J=2.0 Hz, 1H, Ar—H), 8.07 (d, J=8.2 Hz, 1H, Ar—H), 8.38 (d, J=9.2 Hz, 1H, Ar—H), 8.54 (s, 1H, Ar—H), 9.70 (s, 1H, benzene-NH). LC-MS (m/z) 497 (M+1).