反应详情

Compound 31 was prepared from 2,6-dimethylphenol in the same manner of compound 27, and was obtained as white solids (77%). 1H NMR (300 MHz, DMSO-d6): δ 11.22 (br s, 1H), 9.78 (s, 1H), 7.50-7.49 (m, 4H), 7.40 (m, 1H), 7.25 (d, J=8.4 Hz, 1H), 6.71 (d, J=2.4 Hz, 1H), 6.68 (dd, J=2.4, 8.7 Hz, 1H), 2.19 (s, 3H). 13C NMR (75 MHz, DMSO-d6): δ 158.65, 152.58, 138.57, 132.52, 129.57, 126.99, 126.51, 117.72, 114.19, 18.17. HRMS: calcd for C15H13N3O3 (MH+) 284.1030. found 284.1027.