title: Metallosalen-Based Ionic Porous Polymers as Bifunctional Catalysts for the Conversion of CO2into Valuable Chemicals.
abstract: A series of new metallosalen-based ionic porous organic polymers (POPs) were synthesized for the first time using a simple unique strategy based on the free-radical copolymerization reaction. Various techniques were used to characterize the physicochemical properties of these catalysts. These well-designed materials endowed high surface area, hierarchical porous structures, and enhanced CO2/N2adsorptive selectivity. Moreover, these POPs having both metal centers (Lewis acid) and ionic units (nucleophile) could serve as bifunctional catalysts in the catalytic conversion of CO2into high value-added chemicals without any additional co-catalyst under mild and solvent-free conditions, for example, CO2/epoxides cycloaddition and Nformylation of amines from CO2and hydrosilanes. The results demonstrated that the irregular porous structure was very favorable for the diffusion of substrates and products, and the microporous structural property resulted in the enrichment of CO2near the catalytic centers in the CO2-involved transformations. Additionally, the superhydrophobic property could not only enhance the chemoselectivity of products but also promote the stability and recyclability of catalysts.
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Rongchang
authors.initials: R
authors.lastname: Luo
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Yaju
authors.initials: Y
authors.lastname: Chen
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Qian
authors.initials: Q
authors.lastname: He
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Xiaowei
authors.initials: X
authors.lastname: Lin
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Qihang
authors.initials: Q
authors.lastname: Xu
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Xiaohui
authors.initials: X
authors.lastname: He
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Wuying
authors.initials: W
authors.lastname: Zhang
authors.affiliation: School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519000, P.R. China.
authors.forename: Xiantai
authors.initials: X
authors.lastname: Zhou
authors.affiliation: School of Chemistry, Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University, Guangzhou, 510275, P.R. China.
authors.forename: Hongbing
authors.initials: H
authors.lastname: Ji
mesh_terms: D000447:Aldehydes / Q000737:chemistry; D002245:Carbon Dioxide / Q000737:chemistry*; D002384:Catalysis; D005029:Ethylenediamines / Q000737:chemistry*; D009942:Organometallic Compounds / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*; D016062:Porosity; D014867:Water / Q000737:chemistry
chemical_list: D000447:Aldehydes; D005029:Ethylenediamines; D009942:Organometallic Compounds; D011108:Polymers; D014867:Water; D002245:Carbon Dioxide; C011452:disalicylaldehyde ethylenediamine
keywords: bifunctional catalyst; carbon dioxide; ionic liquids; porous organic polymers; salen