Well-Defined Highly Active Heterogeneous Catalyst System for the Coupling Reactions of Carbon Dioxide and Epoxides
The poly(4-vinylpyridine)-supported zinc halide catalysts, prepared from a reaction of ZnX2 and poly(4-vinylpyridine), exhibit high selectivity and activity for the coupling reaction of CO2 and ethylene oxide or propylene oxide. Solid NMR characterization of the poly(4-vinylpyridine)-supported ZnBr2...
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Veröffentlicht in: | Journal of catalysis 2002-01, Vol.205 (1), p.226-229 |
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creator | Kim, Hoon Sik Kim, Jai Jun Kwon, Hyeck Nam Chung, Moon Jo Lee, Byung Gwon Jang, Ho Gyeom |
description | The poly(4-vinylpyridine)-supported zinc halide catalysts, prepared from a reaction of ZnX2 and poly(4-vinylpyridine), exhibit high selectivity and activity for the coupling reaction of CO2 and ethylene oxide or propylene oxide. Solid NMR characterization of the poly(4-vinylpyridine)-supported ZnBr2 catalyst and its reaction product with propylene oxide and/or CO2 show that a pyridinium-alkoxy ion-bridged zinc bromide complex is functioning as an active species, such as in the homogeneous catalysis with L2ZnBr2 (L = pyridine or methyl-substituted pyridine). |
doi_str_mv | 10.1006/jcat.2001.3444 |
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Solid NMR characterization of the poly(4-vinylpyridine)-supported ZnBr2 catalyst and its reaction product with propylene oxide and/or CO2 show that a pyridinium-alkoxy ion-bridged zinc bromide complex is functioning as an active species, such as in the homogeneous catalysis with L2ZnBr2 (L = pyridine or methyl-substituted pyridine).</description><identifier>ISSN: 0021-9517</identifier><identifier>EISSN: 1090-2694</identifier><identifier>DOI: 10.1006/jcat.2001.3444</identifier><identifier>CODEN: JCTLA5</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>carbon dioxide ; Catalysis ; Catalysts: preparations and properties ; Chemistry ; cyclic carbonate ; epoxide ; Exact sciences and technology ; General and physical chemistry ; heterogeneous catalyst ; Theory of reactions, general kinetics. Catalysis. 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Solid NMR characterization of the poly(4-vinylpyridine)-supported ZnBr2 catalyst and its reaction product with propylene oxide and/or CO2 show that a pyridinium-alkoxy ion-bridged zinc bromide complex is functioning as an active species, such as in the homogeneous catalysis with L2ZnBr2 (L = pyridine or methyl-substituted pyridine).</description><subject>carbon dioxide</subject><subject>Catalysis</subject><subject>Catalysts: preparations and properties</subject><subject>Chemistry</subject><subject>cyclic carbonate</subject><subject>epoxide</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>heterogeneous catalyst</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Nomenclature, chemical documentation, computer chemistry</topic><topic>zinc complex</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Hoon Sik</creatorcontrib><creatorcontrib>Kim, Jai Jun</creatorcontrib><creatorcontrib>Kwon, Hyeck Nam</creatorcontrib><creatorcontrib>Chung, Moon Jo</creatorcontrib><creatorcontrib>Lee, Byung Gwon</creatorcontrib><creatorcontrib>Jang, Ho Gyeom</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Hoon Sik</au><au>Kim, Jai Jun</au><au>Kwon, Hyeck Nam</au><au>Chung, Moon Jo</au><au>Lee, Byung Gwon</au><au>Jang, Ho Gyeom</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Well-Defined Highly Active Heterogeneous Catalyst System for the Coupling Reactions of Carbon Dioxide and Epoxides</atitle><jtitle>Journal of catalysis</jtitle><date>2002-01-01</date><risdate>2002</risdate><volume>205</volume><issue>1</issue><spage>226</spage><epage>229</epage><pages>226-229</pages><issn>0021-9517</issn><eissn>1090-2694</eissn><coden>JCTLA5</coden><abstract>The poly(4-vinylpyridine)-supported zinc halide catalysts, prepared from a reaction of ZnX2 and poly(4-vinylpyridine), exhibit high selectivity and activity for the coupling reaction of CO2 and ethylene oxide or propylene oxide. Solid NMR characterization of the poly(4-vinylpyridine)-supported ZnBr2 catalyst and its reaction product with propylene oxide and/or CO2 show that a pyridinium-alkoxy ion-bridged zinc bromide complex is functioning as an active species, such as in the homogeneous catalysis with L2ZnBr2 (L = pyridine or methyl-substituted pyridine).</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1006/jcat.2001.3444</doi><tpages>4</tpages></addata></record> |
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subjects | carbon dioxide Catalysis Catalysts: preparations and properties Chemistry cyclic carbonate epoxide Exact sciences and technology General and physical chemistry heterogeneous catalyst Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry zinc complex |
title | Well-Defined Highly Active Heterogeneous Catalyst System for the Coupling Reactions of Carbon Dioxide and Epoxides |
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