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.
本发明的目的是提供一种有效生产烷基
甲基丙烯酸酯的方法。本发明提供了一种生产烷基
甲基丙烯酸酯的方法,包括在催化剂的存在下,将
一氧化碳和具有1至3个碳原子的醇与甲基
乙炔反应,其中催化剂包括第10族
金属化合物、质子酸和膦化合物,所述甲基
乙炔的
丙二烯含量为50 ppm或以下,所述甲基
乙炔的使用量为200000摩尔或更多,基于1摩尔第10族
金属化合物,反应在存在
水的情况下进行,
水的量为基于1摩尔第10族
金属化合物的40000摩尔或以下。