Catalyst and process for preparing carboxylic acid esters
AssigneeLee Chang Yung Chemical Industry Corporation
InventorsKindtoken Hwaider LIU, Man-Yin Lo, Wen-Chyi Lin, Mei -Yuan Chang
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Abstract
A catalyst and a process for preparing carboxylic acid esters from an aldehyde and an alcohol in the presence of molecular oxygen are disclosed. The catalyst comprises metals supported on a silica-containing support, wherein the metals consist essentially of palladium, lead, an alkali or alkaline earth metal, and at least one of niobium and zirconium. The process for preparing a carboxylic acid ester comprises reacting an aldehyde with an alcohol in the presence of molecular oxygen and the aforementioned catalyst.
Claims15
A process for preparing a carboxylic acid ester, comprising reacting an aldehyde with an alcohol in the presence of molecular oxygen and a catalyst comprising metals supported on a silica-containing support, wherein the metals comprise palladium, lead, an alkali or alkaline earth metal, and at least one of niobium and zirconium.
Dependencies are inferred from the claim text.