| abstract |
The present invention relates to a process for the production of A) a process for producing methacrolein, and B) a process for converting methacrolein obtained in step A) into methyl methacrylate by an oxidative esterification reaction, wherein the two steps A) and B ) Is carried out in a liquid phase at a pressure of from 2 to 100 bar, and step B) is carried out in the presence of a heterogeneous noble metal-containing catalyst comprising a metal and / or a metal oxide. ≪ / RTI > |