Tetrahedron Letters

An efficient, rapid, and regioselective bromination of anilines and phenols with 1-butyl-3-methylpyridinium tribromide as a new reagent/solvent under mild conditions

SP Borikar, T Daniel, V Paul

文献索引：Borikar, Sanjay P.; Daniel, Thomas; Paul, Vincent Tetrahedron Letters, 2009 , vol. 50, # 9 p. 1007 - 1009

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被引用次数: 46

摘要

1-Butyl-3-methylpyridinium tribromide,[BMPy] Br3 proves to be a highly efficient, regioselective reagent/solvent for nuclear bromination of various anilines and phenols. The synthesis and characterization of the room temperature ionic liquid [BMPy] Br3 (2) is described. The bromination was carried out in the absence of organic solvents and in most cases the only extraction solvent needed was water. The spent 1-butyl-3-methylpyridinium ...