Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1972-02-22
1977-04-12
Schwartz, Gerald A.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C10916
Patent
active
040175405
ABSTRACT:
Certain benzoyl chloride phenylhydrazones have been found to be active against insects and mites. The benzoyl ring and the phenylhydrazone ring can be substituted with a halogen atom, a nitro group, or an alkyl group of from 1 to 6 carbon atoms, inclusive. A new class of pentahalobenzoyl chloride phenylhydrazones is described, particularly pentafluorobenzoyl chloride phenylhydrazones. A further new class of alkylbenzoyl chloride phenylhydrazones, particularly p-toluoyl chloride phenylhydrazones are also described. The compounds are prepared by reacting a benzoic acid phenylhydrazide with phosphorus pentachloride to obtain a benzoyl chloride (dichlorophosphinyl)phenylhydrazone that is reacted with phenol to produce the desired benzoyl chloride phenylhydrazones. Certain of the compounds can be prepared by direct chlorination of a benzaldehyde phenylhydrazone. Methods of use and compositions are described.
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Gemrich, II Edwin G.
Kaugars Girts
Jameson William G.
Saliwanchik Roman
Schwartz Gerald A.
The Upjohn Company
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