Catalyst and process for preparing carboxylic acid esters

Details Catalyst and process for preparing carboxylic acid esters Catalyst and process for preparing carboxylic acid esters

2010-03-03

2011-11-08

Wilson, James O (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

08053593

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.

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