Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-12-11
1993-05-04
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548479, C07D20948, C07D20966, C11D 3395, D06L 302
Patent
active
052083403
ABSTRACT:
Process for producing an aryl-imido-peralkanoic acid by means of the peroxidation with H.sub.2 O.sub.2 of the corresponding alkanoic (non-peroxy) acid, in the presence of a strong acid with a pKa value equal to, or lower than 3, and in the presence of a halogenated solvent, characterized in that said solvent is CH.sub.2 Cl.sub.2 or CHCl.sub.3, that the amount of alkanoic acid submitted to peroxidation is equal to or smaller than the solubility threshold of said alkanoic acid (in said solvent) and that a solution of said acid in said solvent is reacted with H.sub.2 O.sub.2 (at 10.degree.-35.degree. C.), with the molar ratio of said strong acid to said alkanoic acid being lower than 2.
REFERENCES:
patent: 4172086 (1979-10-01), Berkowitz
Bianchi Ugo P.
Cavallotti Claudio
LaGostina Attilio
Merenda Michele
Zaro Alessandro
Ausimont S.p.A.
Higel Floyd D.
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