Method for the production of benzene carboxylic acids and benzen

Details Method for the production of benzene carboxylic acids and benzen Method for the production of benzene carboxylic acids and benzen

1988-02-16

1990-03-13

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

562414, 422140, C07C 6739, C07C 51265

Patent

active

049084712

ABSTRACT:
Disclosed is a method for the production of benzene carboxylic acids and benzene carboxylic acid esters or their mixtures, while p-toloylic acid is made from p-xylene and terephthalic acid monomethyl ester is simultaneously prepared from p-toluylic acid ester. The oxidation is performed by the addition of oxidator liquid and gases containing oxygen in single orifice mixing nozzles with the formation of a highly disperse reaction phase and the single orifice mixing nozzles open into the oxidator liquid.

REFERENCES:
patent: 4096340 (1978-06-01), Fujii et al.
patent: 4241220 (1980-12-01), Itaya et al.
patent: 4329493 (1982-05-01), Hashizume et al.
patent: 4342876 (1982-08-01), Klingman
patent: 4346230 (1982-08-01), Hoffmann et al.
Ullmann, vol. 3, (1973), pp. 388-389.

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