Optimised microwave-assisted synthesis of methylcarbonate salts: A convenient methodology to prepare intermediates for ionic liquid libraries

Holbrey, J.D. and Rogers, R.D. and Shukla, S.S. and Wilfred, C.D. (2010) Optimised microwave-assisted synthesis of methylcarbonate salts: A convenient methodology to prepare intermediates for ionic liquid libraries. Green Chemistry, 12 (3). pp. 407-41. ISSN 14639262

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Abstract

The reaction of 1-butylpyrrolidine with dimethyl carbonate to yield the ionic liquid precursor, 1-butyl-1-methylpyrrolidinium methylcarbonate, has been investigated under microwave heating conditions and the reaction parameters optimised to achieve 100 yield of the pyrrolidinium salt with no by-products in under 1 h. The reactions of tributylamine, trioctylphosphine, and 1-butylimidazole with dimethyl carbonate under comparable conditions have also been evaluated, yielding the corresponding methylcarbonate salts which can be used as intermediates for the preparation of halide-free ionic liquids without generating any undesirable salt wastes. © 2010 The Royal Society of Chemistry.

Item Type: Article
Additional Information: cited By 33
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:49
Last Modified: 09 Nov 2023 15:49
URI: https://khub.utp.edu.my/scholars/id/eprint/1283

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