Process for the continuous production of aromatic aldehydes

Details Process for the continuous production of aromatic aldehydes Process for the continuous production of aromatic aldehydes

1993-11-23

1995-01-17

Lone, Werren B.

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

Organic compounds

Oxygen containing

568426, 568433, C07C 4543, C07C 4542

Patent

active

053826949

ABSTRACT:
A process for the continuous production of aromatic aldehydes of the formula (1) ##STR1## in which Ar is an aryl radical, R.sup.1, R.sup.2 and R.sup.3 independently of one another are hydrogen, fluorine, chlorine or bromine atoms, in which dichloromethyl-substituted aromatics of the formula (2) ##STR2## in which Ar, R.sup.1, R.sup.2, R.sup.3 have the above meanings, are continuously hydrolyzed with an aqueous solution of one or more catalysts of the formula (3)

REFERENCES:
patent: 3524885 (1970-08-01), Deinet
patent: 3624157 (1971-11-01), Ingwalson
patent: 5227531 (1993-07-01), Mertz et al.
Derwent Abstract of JP 60248640, Dec. 1985, Abstract No. 86-025603.
Derwent Abstract of JP 60218349, Nov. 1985, Abstract No. 85-313611.

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