反应详情

The product of Example 1B and 2-(2,5-dimethoxyphenyl)acetic acid were treated using a method similar to that described in Example 111 to give the title compound. 1H NMR (500 MHz, DMSO-d6/D2O) δ 8.32 (d, J=7.8, 1H), 8.03 (d, J=7.8, 1H), 8.01-7.95 (m, 1H), 7.94-7.88 (m, 1H), 6.99 (d, J=3.1, 1H), 6.93 (d, J=8.9, 1H), 6.82 (dd, J=8.9, 3.1, 1H), 3.85-3.81 (m, 4H), 3.76 (s, 3H), 3.72 (s, 3H), 3.59 (s, 2H), 3.14-3.07 (m, 4H); MS (ESI+) M/Z 425 (M+H)+.