4.4 Article

Chloride based ionic liquids as promoting agents for Meerwein reaction in solventless conditions

Journal

TETRAHEDRON LETTERS
Volume 47, Issue 27, Pages 4759-4762

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.04.072

Keywords

Meerwein reaction; ionic liquids; diazonium tetrachlorozincate

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Chloride based ionic liquids were used as chloride source in Meerwein reaction either in [bmin]X (bmim = 1-butyl-3methylimidazolium, X = BF4, PF6) as solvents or in solventless conditions. Satisfactory yields (49-71%) with diversely substituted diazonium salts were achieved by using 1,3-dibutylimidazoliurn chloride in the presence of a bimetallic Zn/Cu catalyst. (c) 2006 Elsevier Ltd. All rights reserved.

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