3-Fluoro-4-methoxyphenylboronic acid → 8-Chloro-3-(3-fluoro-4-methoxyphenyl)-7-hydroxy-1-naphthonitrile

Participants

Reaction Steps

The title compound was prepared by reacting 3-bromo-8-chloro-7-hydroxy-1-naphthonitrile (0.20 g, 0.71 mmol) with 3-fluoro-4-methoxyphenylboronic acid (0.17 g, 1.0 mmol) according to Method A to yield 0.14 (60%) of a yellow solid: mp 198-200° C.;1H NMR (DMSO-d6): δ 3.91 (3H, s), 7.27-7.33 (1H, m), 7.45 (1H, d, J=8.93 Hz), 7.71-7.74 (1H, m), 7.85 (1H, dd, J=2.23 Hz, J=13.09 Hz), 8.00 (1H, d, J=9.08 Hz), 8.48 (1H, d, J=1.97 Hz), 8.57 (1H, d, J=1.95 Hz), 11.18 (1H, s); MS (ESI) m/z 326/328 (M−H).

Provenance & Evidence