Production process for aromatic compounds

Details Production process for aromatic compounds Production process for aromatic compounds

1997-05-16

1998-06-02

Richter, Johann

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

Organic compounds

Nitriles

558425, C07C25500

Patent

active

057602808

ABSTRACT:
A process for producing aromatic compounds comprises the step of carrying out a reaction between an aromatic carboxylic acid and a polyfluorobenzonitrile, thus forming an aromatic nitrile and a polyfluorobenzene. This process can produce the aromatic compounds with few problems with respect to worker safety and at a low cost when compared with conventional processes, and can convert the starting materials for the reaction into useful substances with ease and little waste and in a high yield.

REFERENCES:
patent: 5565612 (1996-10-01), Pfirmann et al.
Nizeki et al., "Decarboxylation of Halogen-substituted Benzenecarboxylic Acid," Patent Abstracts of Japan, Publication Date Jan. 27, 1989, Publication No. 01025737, Applicant Nippon Carbide Ind Co Inc, vol. 013, No. 205 (C-595), abstract published May 15, 1989.
Roedig et al., "Aromatisierende nucleophile Substitutionen mit aliphatischen Amine und Ammoniak," Chemische Berichte, 1974, pp. 920-928, vol. 107, XP002036655, Weinheim, Germany.
Toland et al., "Exhange of mitrile and carboxyl groups in aromatic compounds," Journal of Organic Chemistry, 1958, pp. 1350-1351, vol. 23, XP002036656, Easton, USA.

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