4-hydroxy-2h-1-benzothiopyran-2-one derivatives; process for...

C - Chemistry – Metallurgy – 07 – D

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C07D 335/06 (2006.01) A01N 43/18 (2006.01) C07D 409/06 (2006.01)

Patent

CA 1248963

ABREGE DESCRIPTIF L'invention concerne des hydroxy-4-2H-1- benzothiopyran-2-ones, représentés par la formule: Image (I) dans laquelle, quand R1 est l'hydrogène, R et AR' peu- vent former un cycle tétrahydronaphtyle; R et R1 peuvent former un groupement carbonyle; R est un grou- pement hydroxyle quand R1 est l'hydrogène; AR est un groupement biphényle ou phénoxyphényle, substitué ou non par un halogène, et AR' un groupement phényle sub- stitué ou non, pouvant former avec R un cycle tétra- hydronaphtyle, ou un groupement thiényle. L'invention concerne aussi la préparation de ces composés. Ces composés possèdent d'intéressantes propriétés et sont utilisables notamment comme rodenticides.

479039

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