反应详情

The title compound was prepared from 2-amino-3-cyano-7-dimethylamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene and succinyl chloride as a yellow solid by a procedure similar to that described for Example 80. 1H NMR (CDCl3): 7.12 (d, J=1.8, 1H), 6.89-6.85 (m, 2H), 6.47 (m, 1H), 6.26 (d, J=2.7, 1H), 4.79 (s, 1H), 3.87 (s, 3H), 3.83 (s, 3H), 2.96 (s, 4H), 2.92 (s, 6H).