Although coupling reaction of CO with epoxides can be catalyzed by dinuclear silver complexes with low catalyst load- ing at ambient temperature and pressure, the experiment of reusability of catalyst displays the dinuclear silver complex is decomposed due to the excess Br in co-catalyst TBAB. The formed silver triphenylphosphine complex or inorganic silver materials provide real catalytic reactivity to the coupling reaction. 1·OTf +TBAB silver triphenylphosphine complex O or inorganicsilvermaterials O O CO real catalyst Keywords Green chemistry · Cycloaddition · CO fixation · Dinuclear silver complex The development of advanced technologies and chemical processes targeting to convert C O into valuable products is of great concern to scientists [1–3]. One of the most suc- Jing-Jing Chen and Zhi-Liang Gan have contributed equally to this cessful processes for use of CO is the coupling with epox- research. ides to generate polycarbonates and/or cyclic carbonates. These chemical products have commercial importance. For Electronic supplementary material The online version of this article (https ://doi.org/10.1007/s1056 2-017-2268-1) contains example, the cyclic carbonates can be used as fuel addi- supplementary material, which is available to authorized users. tives, electrolytes in batteries, polar aprotic solvents [4, 5]. However, coupling of C O and expoxide is a two-component *
Catalysis Letters – Springer Journals
Published: Feb 2, 2018
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