Process for the production of carboxylic acids

Details Process for the production of carboxylic acids Process for the production of carboxylic acids

1977-08-03

1979-01-09

Garner, Vivan

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

Organic compounds

Carboxylic acids and salts thereof

252429R, 252430, 252431C, 252431P, 560232, C07C 5112, C07C 6736

Patent

active

041339630

ABSTRACT:
A process for the production of a carboxylic acid by the reaction of a liquid lower alkanol with carbon monoxide at a temperature of from about 150.degree. C. to about 250.degree. C. and a carbon monoxide pressure of from about 2,000 psig to about 10,000 psig in the presence of a soluble liquid phase catalyst prepared from the following ingredients: (1) MX.sub.n wherein M is selected from the group consisting of Co and Ni, X is selected from the group consisting of carboxylate anions of from 2 to 10 carbon atoms, halides, oxides, acetyl acetonate, carbon monoxide, and hydrogen: and n is from 1 to 5; (2) R.sub.3 P wherein R is alkyl, aryl, or alkylaryl of from 4 to 10 carbon atoms; and (3) hydrogen iodide or an iodide source such as iodine, alkyl iodides and alkali metal or alkaline earth iodides.

REFERENCES:
patent: 2729651 (1956-01-01), Reppe et al.
patent: 2730546 (1956-01-01), Reppe et al.
patent: 3769329 (1973-10-01), Paulik et al.
patent: 3855307 (1974-12-01), Rony et al.
patent: 3856856 (1974-12-01), Nozaki

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