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Synthesis 2013; 45(23): 3281-3287
DOI: 10.1055/s-0033-1339763
DOI: 10.1055/s-0033-1339763
paper
The Activity of Magnesium/Aluminum ‘Memory Effect’ Reconstructed Hydrotalcites in the Microwave-Assisted Synthesis of 2-Benzimidazolethiol and Its Alkylated Derivatives
Further Information
Publication History
Received: 18 July 2013
Accepted after revision: 19 August 2013
Publication Date:
27 September 2013 (online)
Abstract
An efficient and practical methodology for the microwave-assisted synthesis of 2-benzimidazolethiol from 1,2-benzenediamine and carbon disulfide using reconstructed hydrotalcite is described. The corresponding mono- and dialkylated derivatives of 2-benzimidazolethiol were obtained generally in good to excellent yields after short reaction times. Reconstructed hydrotalcite proved to be an efficient and reusable heterogeneous base for the alkylation reactions.
Supporting Information
- for this article is available online at http://www.thieme-connect.com/ejournals/toc/synthesis.
- Supporting Information
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