| abstract |
preparation of methyl acrylate through an oxidative esterification process. a process for producing methyl methacrylate, the process comprising contacting reagents comprising methacrolein, methanol and an oxygen-containing gas, under reaction conditions in the presence of a solid catalyst comprising palladium, bismuth and at least a third element x, where x is selected from the group consisting of p, s, sc, v, ga, if, y, nb, mo, la, ce and nd, where the solid catalyst still comprises a support selected from at least one member of the group that consists of silica, alumina, calcium carbonate, activated carbon, zinc oxide, titanium oxide and magnesium oxide. |