Bromomethyl 4-methoxyphenyl ketone → 2-(4-Hydroxyphenyl)-1-benzofuran-4,6-diol

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Reaction Steps

This compound was prepared using Method A from 3,5-dimethoxyphenol and 2-bromo-1-(4-methoxyphenyl)ethanone: Yield 93% following procedures A.2 and A.5; m.p. 216-217° C.; IR 3309, 1613, 1510, 1439, 1241, 1134, 1064 cm−1; 1H-NMR (500 MHz, δ ppm, DMSO-d6) 9.76 (5, 1H), 9.67 (s, 1H), 9.28 (s, 1H), 7.59 (d, J=8.7 Hz, 2H), 6.97 (s, 1H), 6.83 (d, J=8.7 Hz, 2H), 6.39 (d, J=0.8 Hz, 1H), 6.16 (d, J=1.8 Hz, 1H); 13C-NMR (126 MHz, δ ppm, CD3OD) 158.7, 158.4, 157.3, 154.8, 152.1, 126.8, 124.3, 116.7, 113.1, 98.8, 97.4, 90.9.

Provenance & Evidence