Process for producing aromatic carboxylic acid

Details Process for producing aromatic carboxylic acid Process for producing aromatic carboxylic acid

1997-02-25

1998-06-02

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5116

Patent

active

057602883

ABSTRACT:
Provided is a process for producing an aromatic carboxylic acid by oxidizing an aromatic compound having an alkyl group or a partially-oxidized alkyl group with a molecular-oxygen-containing gas in an aqueous medium, characterized in that a compound in which a transition metal is incorporated into a heteropoly-acid skeleton having a deficient structural moiety is used as a catalyst.
In accordance with the present invention, the aromatic carboxylic acid can be produced efficiently at low costs.

REFERENCES:
patent: 3775472 (1973-11-01), Massie
Ronny Neumann et al., Alkene Oxidation Catalyzed by a Ruthenium-Substituted Heteropolyanion, SiRu(L)W.sub.11 O.sub.39 : The Mechanism of the Periodate Mediated Oxidative Cleavage, J. Am. Chem. Soc., 1990, 112, pp. 6025-6031.
Jingfu Liu et al., "Trimetallo Derivatives of Lacunary 9-Tungstosilicate Heteropolyanions. Part 1. Synthesis and Characterization.", J. Chem. Soc. Dalton Trans. 1992, pp. 1901-1906.

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