Alkylthio benzoic acid phenyl-hydrazides

Details Alkylthio benzoic acid phenyl-hydrazides Alkylthio benzoic acid phenyl-hydrazides

1975-08-04

1977-03-29

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260558S, 260569, C07C10910

Patent

active

040149323

ABSTRACT:
Certain new ar or ar' (alkylthio) benzoyl chloride phenylhydrazones have been found to be anthelmintics and active against arthropod pests. The benzoyl ring and the phenylhydrazone ring can be otherwise substituted with, for example, halogen atoms, nitro groups, .alpha.-fluoroalkyl groups, other alkylthio groups, and alkyl groups. The new compounds are prepared by reacting an ar or ar' (alkylthio) benzoic acid 2-phenylhydrazide with phosphorus pentachloride to obtain an ar or ar' (alkylthio) benzoyl chloride (dichlorophosphinyl)phenylhydrazone that is reacted with phenol to produce the desired ar or ar' (alkylthio) benzoyl chloride phenylhydrazones. Certain of the compounds can be prepared by direct halogenation of (alkylthio)benzaldehyde phenylhydrazone or an (alkylthio)benzoyl chloride phenylhydrazone. Methods of anti-arthropodal use and novel formulations for use are also described.

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Boberg et al., Justus Liebigs Ann. Chem. 1970, 734, pp. 173-179.
Holland et al., J. Med. Chem. 6 (5), 519-524 (1963) (Chemicus Indicus Abstract 34073).

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