2-(2-Fluorophenyl)-6-hydroxychroman-4-one → 2-(2-Fluorophenyl)chroman-4,6-diol

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Reaction Steps

2-(2-Fluorophenyl)chroman-4,6-diol was prepared as described for 2-phenylchroman-4,6-diol in Example 8(a) starting from 1.19 g of 2-(2-fluorophenyl)-6-hydroxychroman-4-one. 1H NMR (400 MHz, d6-DMSO) δ: 8.85 (s, 1H), 7.56 (m, 1H), 7.40 (m, 1H), 7.28-7.21 (m, 2H), 6.89 (d, 1H, J 2.9 Hz), 6.60 (d, 1H, J 8.7 Hz), 6.54 (dd, 1H, J 8.7, 2.8 Hz), 5.46 (d, 1H, J 6.9 Hz), 5.35 (d, 1H, J 10.6 Hz), 4.89 (m, 1H), 2.26 (m, 1H), 1.98 (m, 1H).

Provenance & Evidence