Bromination of alkylbenzenes in 1-butyl-3-methylimidazolium bromide and its dibromide complex |
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Authors: | M S Gruzdev L V Virzum E N Krylov |
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Institution: | (1) formerly of the Institut Curie, Paris, France; |
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Abstract: | Alkylbenzenes were subjected to bromination with molecular bromine using 1-butyl-3-methylimidazolium bromide as solvent. A
complex of 1-butyl-3-methylimidazolium bromide with bromine was synthesized. It ensured bromination of alkylbenzenes with
no bromine and solvent. The results of bromination in binary solvents and ionic liquids, 1-butyl-3-methylimidazolium bromide
and tribromide were compared. The bromination of ethylbenzene with 1-butyl-3-methylimidazolium tribromide was accompanied
by formation of a considerable amount of α-bromoethylbenzene, which is not typical of electrophilic aromatic substitution
process. |
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Keywords: | |
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