2-Methoxy-7-(3-methoxyphenyl)naphthalene → 7-(3-Hydroxyphenyl)-2-naphthol

Participants

Reaction Steps

The title compound was prepared by reacting 2-methoxy-7-(3-methoxyphenyl)naphthalene (0.52 g, 1.97 mmol) with pyridinium HCl (8 g) at 190° C. according to Method B to yield 0.13 g (28%) of a white solid: mp 163–165° C.; 1H NMR (DMSO-d6): δ 6.78–6.80 (1H, m), 7.08 (1H, dd, J=2.56 Hz, J=8.54 Hz), 7.13–7.14 (1H, m), 7.17–7.20 (2H, m), 7.27–7.30 (1H, m), 7.51 (1H, dd, J=2.14 Hz, J=8.54 Hz), 7.70 (1H, d, J=8.97 Hz), 7.83 (1H, d, J=8.54 Hz), 7.90 (1H, d, J=1.28 Hz), 9.55 (1H, s), 9.78 (1 H, s); MS (ESI) m/z 235 (M−H)−.

Provenance & Evidence