Process for the preparation of mono- or dicarboxylic acids from

Details Process for the preparation of mono- or dicarboxylic acids from Process for the preparation of mono- or dicarboxylic acids from

1995-09-05

1997-11-11

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

554134, 562407, 562408, 562523, 562531, C07C 5116, C07C 5121, C07C 5134

Patent

active

056866380

ABSTRACT:
Process for the preparation of aliphatic or aromatic mono- or dicarboxylic acids of 4 to 22 carbon atoms by oxidation of the corresponding aldehydes having the same number of carbon atoms in a carboxylic acid from the group consisting of formic acid, acetic acid, and propionic acid or in a carboxylic acid/water mixture at a temperature of 50.degree.-130.degree. C. and at 1 to 25 bar and in the presence of an oxidizing agent.

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patent: 4287130 (1981-09-01), Dohm et al.
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patent: 5310944 (1994-05-01), Kawaki et al.
Canadian Application No. 115: 135523m, "Process for Preparation of .alpha.,.omega.-alkanedioic acids by sequential perioxidation, reduction, and oxidation of cycloalkenes", Chemical Abstracts, vol. 115, 1991 p. 922.

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