Process for preparing aromatic aldehydes

Details Process for preparing aromatic aldehydes Process for preparing aromatic aldehydes

1993-11-23

1994-09-13

Lone, Werren B.

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

Organic compounds

Oxygen containing

568426, C07C 4542

Patent

active

053470540

ABSTRACT:
A process for preparing aromatic aldehydes of the formula (1) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 independently of one another are H, F, Cl or Br, by hydrolyzing a dichloromethyl-substituted benzene of the formula (2) ##STR2## in which R.sup.1, R.sup.2, R.sup.3 have the abovementioned meanings with a from about 1 to about 50% strength aqueous solution of one or more zinc salts of the formula (3)

REFERENCES:
Database WPI, Week 8604, Derwent Publications Ltd., London, GB; AN 86-025603 & JP-A-60 248 640 (Hodogaya Chem. Ind. KK) Dec. 9, 1985.
Database WPI, Week 8550, Derwent Publications Ltd., London, GB; AN 85-313611 & JP-A-60 218 349 (Hodogaya Chem. Ind. KK) Nov. 1, 1985.

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