Process for producing carboxylic acids

Details Process for producing carboxylic acids Process for producing carboxylic acids

1989-07-11

1993-03-16

Siegel, Alan

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549468, 549484, 546134, 546318, 546122, 562406, C07D33338, C07D30778, C07D45302, C07C 5110

Patent

active

051946319

ABSTRACT:
A process for producing a carboxylic acid which comprises reacting an organic chloride having at least one chloride atom on its ring of a substituted or unsubstituted, aromatic or heterocyclic hydrocarbon with carbon monoxide in the presence of an inorganic base or an organic base and water at a reaction temperature of 150.degree. to 300.degree. C., and preferably 160.degree. to 300.degree. C., by using as catalysts a palladium compound and a phosphine compound represented by the general formula (III):

REFERENCES:
patent: 2565461 (1951-08-01), Bliss
patent: 3988358 (1976-10-01), Heck
patent: 4034004 (1977-07-01), Cassar et al.

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