Process for continuous preparation of carboxylic acids

Details Process for continuous preparation of carboxylic acids Process for continuous preparation of carboxylic acids

1974-03-21

1977-02-01

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260524R, 260531R, 260537P, C07C 5124, C07C 5133, C07C 5502, C07C 5700

Patent

active

040061736

ABSTRACT:
A process for producing carboxylic acids having at least 5 carbon atoms in which a mixture of vicinal diols having at least 6 carbon atoms with 0.01 to 0.5 mol per cent of heavy metal compound catalyst is continuously introduced, in an amount and at a rate such that the reaction is maintained, into an initiated mixture of vicinal diols having at least 6 carbon atoms, carboxylic acids formed therefrom and a heavy metal compound catalyst, which is contacted with an oxygen containing stream of gas, the reaction being carried out at temperatures between 40.degree. C and 200.degree. C, preferably 60.degree. C to 140.degree. C, and the oxidation mixture is continuously drawn off.

REFERENCES:
patent: 3711523 (1973-01-01), Pultinas, Jr. et al.
patent: 3816525 (1974-06-01), Schreyer et al.
patent: 3855257 (1974-12-01), Pultinas, Jr.
patent: 3865856 (1975-02-01), Dohr et al.

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