反应详情

3,5-Dimethoxyphenylacetic acid and the product from Example 99A were processed using the method analogous to that described in example 98 to afford 9 mg (8%) of the title compound. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.36-10.57 (bs, 1H), 9.10 (dd, J=6.9, 1.7 Hz, 1H), 8.62 (dd, J=4.1, 1.7 Hz, 1H), 7.66-7.70 (m, 2H), 7.29-7.32 (m, 2H), 7.14 (dd, J=6.9, 4.1 Hz, 1H), 6.47-6.56 (bs, 2H), 6.44 (s, 1H), 3.73 (s, 6H), 3.58 (s, 2H); MS (ESI) m/z 423 (M+H)+.