TRANSESTERIFICATION PROCESS USING MIXED SALT ACETYLACETONATES CATALYSTS
This invention is directed to a process for the production of a variety of esters, particularly acrylate and methacrylate-based esters, by a transesterification reaction. This objective is achieved by reaction of an ester of a carboxylic or a carbonic acid, in particular of a saturated or unsaturate...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
28.12.2016
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Abstract | This invention is directed to a process for the production of a variety of esters, particularly acrylate and methacrylate-based esters, by a transesterification reaction. This objective is achieved by reaction of an ester of a carboxylic or a carbonic acid, in particular of a saturated or unsaturated, typically, a 3 to 4 carbon atom carboxylic acid; with an alcohol in the presence of a catalyst comprising the combination of a metal 1,3-dicarbonyl complex (pref. Zn or Fe acetylacetonate) and a salt, in particular an inorganic salt, pref. ZnCl2, LiCI, NaCI, NH4CI or Lil. These catalysts are prepared from readily available starting materials within the reaction medium without the need for isolation (in-situ preparation). |
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AbstractList | This invention is directed to a process for the production of a variety of esters, particularly acrylate and methacrylate-based esters, by a transesterification reaction. This objective is achieved by reaction of an ester of a carboxylic or a carbonic acid, in particular of a saturated or unsaturated, typically, a 3 to 4 carbon atom carboxylic acid; with an alcohol in the presence of a catalyst comprising the combination of a metal 1,3-dicarbonyl complex (pref. Zn or Fe acetylacetonate) and a salt, in particular an inorganic salt, pref. ZnCl2, LiCI, NaCI, NH4CI or Lil. These catalysts are prepared from readily available starting materials within the reaction medium without the need for isolation (in-situ preparation). |
Author | VRIELYNCK, Freek, Annie, Camiel VAN AKEN, Koen, Jeanne, Alfons HOSTEN, Noel, Gabriel, Cornelius GOOSSENS, Thomas, Peter, Anne |
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DocumentTitleAlternate | TRANSVERESTERUNGSVERFAHREN MIT MISCHSALZACETYLACETONATKATALYSATOREN PROCÉDÉ DE TRANSESTÉRIFICATION À L'AIDE DE CATALYSEURS À SELS ACÉTYLACÉTONATES MIXTES |
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Snippet | This invention is directed to a process for the production of a variety of esters, particularly acrylate and methacrylate-based esters, by a... |
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SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
Title | TRANSESTERIFICATION PROCESS USING MIXED SALT ACETYLACETONATES CATALYSTS |
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