Method for catalytic and selective oxidation of aromatic compounds
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United States of America Patent
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Apr 2, 2002
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N/A
app pub date -
Mar 14, 2000
filing date -
Apr 24, 1997
priority date (Note) -
Expired
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Abstract
The invention relates to the use of compounds of the formula R.sup.1.sub.a Re.sub.b O.sub.c.L.sub.d (I), in which ##STR1## and the total of a, b and c is such as to comply with the pentavalency or heptavalency of rhenium, with the proviso that c is not larger than 3.times.b, and in which R.sup.1 is absent or identical or different, and is an aliphatic hydrocarbon radical having 1 to 10 carbon atoms, an aromatic hydrocarbon radical having 6 to 10 carbon atoms or an arylalkyl radical having 7 to 9 carbon atoms, it being possible for the R.sup.1 radicals where appropriate to be substituted identically or differently, independently of one another, as catalysts for oxidizing electron-rich aromatic compounds and their derivatives, the catalysts being employed in a peroxide-containing solution in the presence of an anhydride of a carboxylic acid and/or of a dehydrating agent.
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