Method of preparing substituted cyclic carboxylic acids
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United States of America Patent
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Sep 12, 1989
Grant Date -
N/A
app pub date -
Feb 16, 1988
filing date -
Feb 18, 1987
priority date (Note) -
Expired
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Abstract
A method is disclosed for preparing a substituted cyclic carboxylic acid from a corresponding substituted cyclic hydrocarbon. The hydrocarbon is oxidized in oxygen or air in a liquid phase in an organic solvent under alkaline conditions, in the presence of a catalyst selected from the group consisting of metal tetraphenylporphins, metal acetylacetonates, metal phthalocyanines and mixtures thereof. The oxidation is capable of proceeding generally at room temperature and atmospheric pressure.
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