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

Holbrey, John and Shukla, Saloni and Rogers, Robin (2010) Optimised microwave-assisted synthesis of methylcarbonate salts: a convenient methodology to prepare intermediates for ionic liquid libraries. Green Chemistry, 407 . pp. 407-413.

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Official URL: http://www.rsc.org

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.

Item Type:Article
Subjects:Q Science > QD Chemistry
Departments / MOR / COE:Departments > Fundamental & Applied Sciences
ID Code:719
Deposited By: Assoc Prof Cecilia Devi Wilfred
Deposited On:12 Mar 2010 07:32
Last Modified:12 Mar 2010 07:32

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