反应详情

A solution of 2-[3-(methoxymethoxy)-4-methylphenyl]-1,3-benzoxazole (200 mg, 0.74 mmol, 84%), NBS (179 mg, 0.81 mmol), and benzoyl peroxide (50 mg) in CCl4 (10 mL), was refluxed for 12 h. After cooling to rt, CCl4 was removed in vacuo and residue was purified by flash column (silica gel, hexanes:EtOAc 5:1) to afford 2-[4-(bromomethyl)-3-(methoxymethoxy)phenyl]-1,3-benzoxazole. MS (ESI) 349 (M+H)+.

1. customCCl4 was removed in vacuo and residue
2. customwas purified by flash column (silica gel, hexanes:EtOAc 5:1)