Patent ID: 9688601
Date: 2017-06-27
CPC Classifications: C07C,C08F

Claim:
1. A process for preparing a (meth)acrylate of formula (I) wherein R R the process comprising: reacting a (meth)acrylate of formula II wherein R with an alcohol of formula (III) wherein R in the presence of an amount of a suitable catalyst which catalyses the reaction and in the presence of an amount of a phenolic polymerization inhibitor or a combination of two or more phenolic polymerization inhibitors which is sufficient to inhibit undesired polymerization, to form a reaction mixture, the reaction undertaken with introduction into the reaction mixture resulting from the reacting, of an amount of oxygen or of an oxygenous gas mixture sufficient to inhibit undesired polymerization, wherein a specific total oxygen input is less than or equal to 1.0 l/kg, measured in liters of oxygen per kilogram of (meth)acrylate of formula (I), where the volume of oxygen introduced is calculated at a temperature of 25° C. and a pressure of 101,325 pascal, and wherein the reacting is performed continuously.