Anthelmintic 2-pyrazolyl-benzimidazoles prodn - from 2-hydroxy -benzimidazoles and pyrazoles with phosphorus halides

Cpds. of formula (I): (where X = H, 1-4C (alkyl or alkoxy), NO2, halogen or NH2; Y = H or halogen; R = H, 1-4C alkyl or halogen; Z = H or 1-4C alkyl), for use as veterinary anthelmintics are produced in high yields from easily accessible corresp. 2-hydroxybenzimidazoles and pyrazoles with POCl3 or P...

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Bibliographic Details
Main Authors SCHEGK,ERNST,DR, GAUSS,WALTER,DR
Format Patent
LanguageEnglish
German
Published 21.12.1972
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
SEMICONDUCTOR DEVICES
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Summary:Cpds. of formula (I): (where X = H, 1-4C (alkyl or alkoxy), NO2, halogen or NH2; Y = H or halogen; R = H, 1-4C alkyl or halogen; Z = H or 1-4C alkyl), for use as veterinary anthelmintics are produced in high yields from easily accessible corresp. 2-hydroxybenzimidazoles and pyrazoles with POCl3 or PCl5 at boiling temp.
Bibliography:Application Number: DE19712130029