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Org Lett. 2002 Jul 25;4(15):2561-3.

Cyclic carbonate formation from carbon dioxide and oxiranes in tetrabutylammonium halides as solvents and catalysts.

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  • 1Department of Chemistry, Istituto di Chimica dei Composti Organometallici (Sezione di Bari), Via Amendola 173, University of Bari, 70126-Bari, Italy.


[reaction: see text] Epoxides dissolved in molten tetralkylammonium salts bearing halides as counterions are converted into cyclic carbonates under atmospheric pressure of carbon dioxide. The reaction rate depends on the nucleophilicity of the halide ion as well as the structure of the cation.

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