Catalytic system and method for oxidative carbonylation reaction
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United States of America Patent
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Issued Date -
Feb 4, 2010
app pub date -
Dec 4, 2008
filing date -
Jul 31, 2008
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Abandoned
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Abstract
A catalytic system for an oxidative carbonylation reaction is provided, which includes a metal organohalogen catalyst, at least one organic nitrogen-containing heterocyclic adjuvant, and an inorganic co-catalyst, wherein the inorganic co-catalyst is selected from carboxylates, nitrates, halides, oxides, and complexes of lead, lanthanum, titanium, tungsten, and dysprosium. The process for producing a dialkyl carbonate by performing a liquid-phase oxidative carbonylation reaction of an alcohol in the presence of the catalytic system is significantly improved, and the conversion and selectivity of the catalytic reaction are increased.
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