反应详情

2-(2-Methoxyphenyl)chroman-4,6-diol was prepared as described for 2-phenylchroman-4,6-diol in Example 8(a) starting from 6-hydroxy-2-(2-methoxyphenyl)-chroman-4-one. 1H NMR (300 MHz, d6-DMSO) δ: 8.79 (s, 1H), 7.45 (dd, 1H, J 7.6, 1.6 Hz), 7.31 (dt, 1H, J 8.5, 7.3, 1.6 Hz), 7.04 (d, 1H, J 8.5 Hz), 6.99 (d, 1H, J 7.3 Hz), 6.88 (d, 1H, J 2.7 Hz), 6.59 (d, 1H, J 8.7 Hz), 6.54 (dd, 1H, J 8.7, 2.7 Hz), 5.38 (s, 1H), 5.34 (d, 1H, J 11.4 Hz), 4.80-4.88 (m, 1H), 3.81 (s, 3H), 2.24-2.28 (m, 1H), 1.74-1.86 (m, 1H).