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Synfacts 2005(0): 0088-0088  
DOI: 10.1055/s-2005-869883
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

CO2 Fixation with a Polymer-Supported Nanogold Catalyst

Contributor(s): Yasuhiro Uozumi, Jun-ichiro Sakamaki
F. Shi, Q. Zhang, Y. Ma, Y. He, Y. Deng*
Chinese Academy of Sciences, Lanzhou, P. R. China
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Publication History

Publication Date:
20 July 2005 (online)

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Significance

A polymer-supported nanogold catalyst was found to promote fixation/incorporation of CO2 to terminal epoxides to give cyclic carbonates (4 examples, 90-94%, TOF: up to 57900). Carbonylation of primary amines with CO2 also took place in the presence of the nano­gold catalyst to afford disubstituted ureas (2 examples, 83-85%). The catalyst is readily prepared from IRA-400 polymer and HAuCl4·4H2O.