Issue 43, 2011

A Sandmeyer type reaction for bromination of 2-mercapto-1-methyl-imidazoline (N2C4H6S) into 2-bromo-1-methyl-imidazole (N2C4H5Br) in presence of copper(i) bromide

Abstract

2-Mercapto-1-methyl-imidazoline (N2C4H6S) is converted at room temperature into 2-bromo-1-methyl-imidazole (N2C4H5Br) in presence of copper(I) bromide in acetonitrile-chloroform mixture viaextrusion of sulfur as sulfate and oxidation of CuI into CuII. 2-Bromo-1-methyl-imidazole was isolated as its self assembled tetranuclear CuII cluster, [Cu41-N-(N2C4H5Br)44-O)(μ-Br)6] 1 {η1-N-(N2C4H5Br) = 2-bromo-1-methyl-imidazole}.

Graphical abstract: A Sandmeyer type reaction for bromination of 2-mercapto-1-methyl-imidazoline (N2C4H6S) into 2-bromo-1-methyl-imidazole (N2C4H5Br) in presence of copper(i) bromide

Supplementary files

Article information

Article type
Communication
Submitted
13 Jul 2011
Accepted
30 Aug 2011
First published
29 Sep 2011

Dalton Trans., 2011,40, 11382-11384

A Sandmeyer type reaction for bromination of 2-mercapto-1-methyl-imidazoline (N2C4H6S) into 2-bromo-1-methyl-imidazole (N2C4H5Br) in presence of copper(I) bromide

T. S. Lobana, R. Sultana and R. J. Butcher, Dalton Trans., 2011, 40, 11382 DOI: 10.1039/C1DT11327E

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