Recent advances in the coupling of CO2 and epoxides into cyclic carbonates under halogen-free condition  

作　　者：Feng Zhang Yanyan Wang Xiaochun Zhang Xiangping Zhang Huizhen Liu Buxing Han 

机构地区：[1]Beijing National Laboratory for Molecular Sciences,CAS Key Laboratory of Colloid and Interface and Thermodynamics,CAS Research/Education Center for Excellence in Molecular Sciences,Institute of Chemistry,Chinese Academy of Sciences,Beijing,100190,PR China [2]School of Chemistry and Chemical Engineering,University of Chinese Academy of Sciences,Beijing,100049,PR China [3]State Key Laboratory of Multiphase Complex System,Beijing Key Laboratory of Ionic Liquids Clean Process,Institute of Process Engineering,Chinese Academy of Sciences,Beijing,100190,China

出　　处：《Green Chemical Engineering》2020年第2期82-93,共12页绿色化学工程（英文）

基　　金：supported by the National Key Research and Development Program of China(2018YFB0605801);National Natural Science Foundation of China(21871277);Chinese Academy of Sciences(QYZDYSSW-SLH013).

摘　　要：The chemical transformation of CO2 and epoxides into cyclic carbonates has been receiving much attention and is one of the successful examples for CO2 utilization as carbon resource.Many catalysts containing halide anions have been explored and exhibit excellent catalytic activity.However,halogen salt is generally toxic and corrosive to reactors.From a green chemistry perspective,it is more attractive to develop a halogen-free catalyst with excellent performance.Herein,a review of recent research progress of halogen-free catalysts in the cycloaddition of CO2 and epoxide is presented.According to previous experimental and theoretical works,two possible strategies for achieving the halogen-free process were summarized.The relationship between catalytic activity and catalyst structure,the mechanism of CO2 activation should be both studied deeply combined with experimental results and DFT calculation,which can guide the design of new catalysts and realize halogen-free process under mild reaction conditions.

关 键 词：Cyclic carbonates Halogen-free catalysts Lewis acid-base Lewis acid-nucleophile Synergistic effect 

分 类 号：TQ225.52[化学工程—有机化工] TQ426[环境科学与工程—环境工程] X701