DECARBOXYLATION PROCESS OF HALOGENATED AROMATIC CARBOXYLIC ACIDS

Decarboxylation of halogenated aromatic carboxylic acids of formula (I) to compounds of formula (II) comprises heating (I) with water to 80-180 degrees C or heating (I) with water and another acid to greater than 80 degrees C. X = F, Cl and/or Br; n = 1 or 2.

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Bibliographische Detailangaben
Hauptverfasser: FIEGE HELMUT DR, STEFFAN GUIDO DR, ANTONS STEFAN DR
Format: Patent
Sprache:cze ; eng
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Zusammenfassung:Decarboxylation of halogenated aromatic carboxylic acids of formula (I) to compounds of formula (II) comprises heating (I) with water to 80-180 degrees C or heating (I) with water and another acid to greater than 80 degrees C. X = F, Cl and/or Br; n = 1 or 2.