Conversion of alcohols to alkyl esters and carboxylic acids using heterogeneous palladium-based catalysts
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United States of America Patent
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Mar 14, 2017
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May 1, 2015
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May 1, 2014
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Abstract
Disclosed are methods for synthesizing an ester or a carboxylic acid from an organic alcohol. To form the ester one reacts, in the presence of oxygen gas, the alcohol with methanol or ethanol. This reaction occurs in the presence of a catalyst comprising palladium and a co-catalyst comprising bismuth, tellurium, lead, cerium, titanium, zinc and/or niobium (most preferably at least bismuth and tellurium). Alternatively that catalyst can be used to generate an acid from that alcohol, when water is also added to the reaction mix.
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