[EN] METHOD FOR PRODUCING a, ß-UNSATURATED CARBOXYLATE, AND CATALYST FOR PRODUCING THEREOF<br/>[FR] PROCÉDÉ DE FABRICATION D'UN CARBOXYLATE ?,?-INSATURÉ ET CATALYSEUR POUR SA FABRICATION
申请人:SUMITOMO CHEMICAL CO
公开号:WO2011111806A1
公开(公告)日:2011-09-15
The provision of a method for producing an α,β-unsaturated carboxylate, comprising a step of reacting an acetylene compound represented by formula (1): wherein R represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, carbon monoxide, and an alcohol compound in the presence of a catalyst prepared from a phosphine compound, an acid, and a compound having a platinum group element, the acid consisting of a Lewis acid.
[EN] PROCESS FOR PRODUCING ALKYL METHACRYLATE<br/>[FR] PROCÉDÉ DE PRODUCTION DE MÉTHACRYLATE D'ALKYLE
申请人:SUMITOMO CHEMICAL CO
公开号:WO2013141004A1
公开(公告)日:2013-09-26
An object of the present invention is to provide a process for efficiently producing an alkyl methacrylate. The present invention provides a process for producing an alkyl methacrylate comprising reacting carbon monoxide and an alcohol having 1 to 3 carbon atoms with methylacetylene in the presence of a catalyst comprising a Group 10 metal compound, a protonic acid and a phosphine compound, wherein the methylacetylene has a propadiene content of 50 ppm by weight or less, the use amount of the methylacetylene is 200000 mol or more based on 1 mol of the Group 10 metal compound, and the reaction is performed in the presence of water in an amount of 40000 mol or less based on 1 mol of the Group 10 metal compound.