Selenium Dioxide → 4-Benzyloxy-3-hydroxymethylphenylglyoxal

참여 물질

반응 단계

1-(4-Benzyloxy-3-hydroxymethylphenyl)ethanone (10.4 g) was added portionwise to a stirred solution of selenium dioxide (5.5 g) in water (0.9 ml) and dioxan (100 ml) at 60°. The mixture was stirred under reflux for 4 hours, filtered whilst hot and allowed to cool. The solid was collected and recrystallised from dioxan as a dimer, mp 180°-181° (7.7 g). (d6DMSO) 5.13 (1H, s), 4.94 (1H, s), 4.72 (2H, s), 3.42 (1H, d, J=10 Hz), 3.24 (1H, d, J=10 Hz), 2.72 (1H, m), 2.54 (5H, m), 2.04 (1H, m), 1.46 (1H, m).

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