Efficient cyclic carbonate synthesis catalyzed by zinc cluster systems under mild conditions

Yi Yang, Yukiko Hayashi, Yuka Fujii, Takuto Nagano, Yusuke Kita, Takashi Ohshima, Jun Okuda, Kazushi Mashima

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Abstract

An efficient catalytic system of a zinc cluster and tetrabutylammonium iodide (TBAI) was developed for cyclic carbonate synthesis from epoxides and carbon dioxide (CO 2) without the use of any organic solvents under very mild conditions (25 °C, 1 atm), even in the presence of impurities such as water and air. Electrophilicity of the central Zn(ii) ion, the number of trifluoromethyl groups, nucleophilicity and leaving ability of the anion of alkylammonium salts, and various reaction parameters have a great effect on the catalytic activity of the bifunctional catalyst. Therefore, this solvent-free process represents an environmentally friendly example for the catalytic conversion of CO 2 into value-added chemicals and also has the potential to contribute towards decreasing atmospheric CO 2 emission from the burning of fossil fuels.

Original languageEnglish
Pages (from-to)509-513
Number of pages5
JournalCatalysis Science and Technology
Volume2
Issue number3
DOIs
Publication statusPublished - Mar 1 2012

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All Science Journal Classification (ASJC) codes

  • Catalysis

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