Preparation of high purity thiabendazole

Details Preparation of high purity thiabendazole Preparation of high purity thiabendazole

1993-04-30

1994-05-10

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D41704

Patent

active

053109236

ABSTRACT:
Process for preparing 2-(4'-thiazolyl)-benzimidazole (generic name: thiabendazole) by the acid-catalyzed condensation of o-phenylenediamine and 4-cyanothiazole using as a solvent polar organic compounds in which the reactants, catalysts and impurities are soluble, and the product, thiabendazole, is substantially insoluble.

REFERENCES:
Hofmann, Imidazole pp. 260-267 (1953).
Katritzky, Comprehensive Heterocyclic Chemistry vol. 5 p. 470 (1984).
Sklyarova, Zh Org. Khim 22 645 (1980).
Tsuchiya, Chem Pham. Bull 35 2985 (1987).

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