反应详情

To a solution of 2-methoxy-1-(3-methoxy-propoxy)-4-methyl-benzene (2.00 g, 9.51 mmol) in MeCN (30 mL) is added N-bromosuccinimide (1.96 g, 10.5 mmol) at room temperature. Stirring is continued for 2 hrs, followed by evaporation of the solvent. The title compound is obtained after flash chromatography on silica gel (hexane/AcOEt 6:1) as an oil. MS: 289.0/291.0 [M]+. tR (HPLC, Nucleosil C18HD column, 20-100% CH3CN/H2O/6 min, 100% CH3CN/2 min, CH3CN and H2O containing 0.1% TFA, flow: 1 mL/min): 5.04 min. 1H-NMR (CDCl3): δ 2.13 (m, 2H), 2.36 (s, 3H), 3.39 (s, 3H), 3.58 (m, 2H), 3.87 (s, 3H), 4.12 (m, 2H), 6.77 (s,1H), 7.08 (s, 1H) ppm.

1. customfollowed by evaporation of the solvent