Method for producing heteroaromatic aldehydes
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United States of America Patent
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Sep 3, 2002
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N/A
app pub date -
Aug 18, 2000
filing date -
Dec 18, 1998
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Expired
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Abstract
There is provided a process for preparing a heteroaromatic aldehyde by catalytic reaction of alkyl-substituted heteroaromatic compound with molecular oxygen in a gaseous phase in the presence of a catalyst, which comprises employing an oxide containing vanadium, phosphorus, aluminium and silicon as a catalyst, and diluting a part or all of the oxide present as a catalyst layer in a reactor with a solid inert to the reaction.
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