反应详情

The title compound was prepared by reacting 7-hydroxy-3-(3-fluoro-4-methoxyphenyl)-1-naphthonitrile (0.12 g, 0.41 mmol) with pyridinium HCl (3 g) according to method B to yield 0.085 g (74%) of a white solid: mp 265–269 ° C.; 1H NMR (DMSO-d6): δ 7.04–7.09 (1H, m), 7.26 (1H, dd, J=2.31 Hz, J=8.88 Hz), 7.36 (1H, d, J=2.19 Hz), 6.52 (1H, d, J=2.19 Hz), 6.52 (1H, dd, J=1.76 Hz, J=8.40 Hz), 6.71 (1H, dd, J=2.22 Hz, J=12.88 Hz), 8.01 (1H, d, J=8.97 Hz), 8.37 (1H, d, J=1.83 Hz), 8.45 (1H, d, J=1.41 Hz), 10.33 (2H, bs); MS (ESI) m/z 278 (M−H)−.