Process for the preparation of aromatic thiocarboxylic acid...

Details Process for the preparation of aromatic thiocarboxylic acid... Process for the preparation of aromatic thiocarboxylic acid...

C - Chemistry, Metallurgy

07

C

260/328.4, 260/5

C07C 153/05 (1980.01)

Patent

CA 1051006

Abstract of the Disclosure: Aromatic thiocarboxylic acid amides are prepared by reaction of aromatic hydrocarbons with hydrogen thiocyanate or a salt of thiocyanic acid in at least 90 % hydrofluoric acid. the reaction can be carried out in one single operation without the use of a Lewis acid or another catalyst. The thio- carboxylic acid amides obtained are known from the literature and serve as preliminary products for the preparation of nitriles, amides, carboxylic acids, heterocyclic compounds and the manufacture of plant protecting agents and pharmaceuticals.

227629

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