Phosphoric acid derivatives

C - Chemistry – Metallurgy – 07 – D

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167/9.5, 260/311

C07D 261/08 (2006.01) A01N 25/00 (2006.01) C07F 9/653 (2006.01)

Patent

CA 1076585

ABSTRACT OF THE DISCLOSURE: Phosphoric acid derivatives of the formula Image , where X denotes oxygen or sulfur, R1 and R4 denote identical or different, linear or branched alkyl groups of a maximum of 6 carbon atoms, R2 denotes hydrogen or alkyl of a maximum of 3 carbon atoms, and R3 denotes linear or branched alkylthio, alkenylthio or alkynylthio of a maximum of 6 carbon atoms, phenyl optionally substituted by nitro or chlorine, or linear or branched alkylamino or dialkylamino each of a maximum of 5 carbon atoms in the alkyl group, a process for their manufacture by reac- tion of isoxazole derivatives with salts of phosphoric acid derivatives and a process for controlling pests, or protecting objects against pest attack, by treatment with these phosphoric acid derivatives.

263820

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