N-bromobutanimide → 5-Bromomethyl-2-phenylbenzoxazole

참여 물질

반응 단계

5-methyl-2-phenylbenzoxazole 55 (1.23 g, 5.8 mmol) and NBS (1.17 g, 6.5 mmol) were dissolved in carbon tetrachloride (20 ml). The mixture was evacuated and flushed with argon. AIBN (ca. 5 mg) was added and the mixture heated at reflux and irradiated with a sun lamp for 3 hrs. The solvent was evaporated under reduced pressure and the residue purified by chromatography to yield 1.18 g of 5-bromomethyl-2-phenylbenzoxazole 56.

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