3,5-Dimethylchlorobenzene → 1-(Bromomethyl)-3-chloro-5-methylbenzene

참여 물질

반응 단계

The mixture of 1-Chloro-3,5-dimethyl-benzene (32 g, 0.23 mol) and N-bromosuccinimide (40.5 g, 0.23M) in carbon tetrachloride (400 ml) was refluxed for 3 hr under a light of 500 W tungsten light. After cooling to room temperature, the mixture was filtered and the filtrate was evaporated in vacuo and the residue was purified by silica gel column chromatography (eluent, hexane) to afford 33 g (68%) of a white solid. 1H NMR (200 MHz, CDCl3) δ: 2.32 (3H, s), 4.39 (2H, s), 7.10 (2H, s), 7.18 (1H, s).

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