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Chiral metal-containing ionic liquid:Synthesis and applications in the enantioselective cycloaddition of carbon dioxide to epoxides |
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| Authors: | SONG YingYing JIN QianRu ZHANG SuLing JING HuanWang & ZHU QianQian State Key Laboratory of Applied Organic Chemistry College of Chemistry Chemical Engineering Lanzhou University Lanzhou China |
| Institution: | SONG YingYing,JIN QianRu,ZHANG SuLing,JING HuanWang* & ZHU QianQian State Key Laboratory of Applied Organic Chemistry,College of Chemistry and Chemical Engineering,Lanzhou University,Lanzhou 730000,China |
| Abstract: | A series of novel chiral metal-containing ionic liquids(CMILs) consisting of the cation of crown ether-chelated potassium/sodium and the anion of chiral amino acids were designed and synthesized.These new CMILs were used to catalyze the enantioselective cycloaddition of epoxides and carbon dioxide incorporating with the salenCo(OOCCCl3) to generate corresponding chiral cyclic carbonates under mild conditions.These new catalysts can be recycled at least five times without significant loss of activity and ena... |
| Keywords: | chiral metal-containing ionic liquids epoxides carbon dioxide enantioselective cycloaddition chiral cyclic carbonates |
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