Benzoyl Peroxide → 1-(Bromomethyl)-2-chloro-3-methylbenzene

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A solution of 2-chloro-m-xylene (5.00 g, 35.60 mmol), NBS (5.70 g, 32.03 mmol), and a catalytic amount of benzoyl peroxide (100 mg) in CCl4 was refluxed for 1 hour. After cooling to room temperature the resulting mixture was filtered and the filtrate was distilled off. Purification by column chromatography using pentane as the eluant followed by distillation afforded the title compound. Spectroscopic data: 1H NMR (300 MHz, CDCl3.) δ 2.39 (s, 3H), 4.61 (s, 2H), 7.08-7.23 (m, 2H), 7.25-7.30 (m, 1H).

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