Biphenyl derivatives and their use as fungicides

Details Biphenyl derivatives and their use as fungicides Biphenyl derivatives and their use as fungicides

2007-07-10

2007-07-10

Saeed, Kamal A. (Department: 1626)

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

C514S406000, C548S374100

Reexamination Certificate

active

10540036

ABSTRACT:
A fungicidally active compound of formula (I): where Het is a substituted 5- or 6-membered heterocyclic ring; R1is hydrogen, formyl, CO—C1-4alkyl, COO—C1-4alkyl, C1-4alkoxy(C1-4)alkylene, CO—C1-4alkylenoxy(C1-4)alkyl, propargyl or allenyl; R2, R3, R4and R5are each, independently, hydrogen, halogen, methyl or CF3; each R6is, independently, halogen, methyl or CF3; R7is (Z)mC═C(Y1), (Z)mC(Y1)═C(Y2)(Y3) or tri(C1-4)alkylsilyl; X is O or S; Y1, Y2and Y3are each, independently, hydrogen, halogen, C1-6alkyl [optionally substituted by one or more substituents each independently selected from halogen, hydroxy, C1-4alkoxy, C1-4haloalkoxy, C1-4alkylthio, C1-4haloalkylthio, C1-4alkylamino, di(C1-4)alkylamino, C1-4alkoxycarbonyl, C1-4alkylcarbonyloxy and tri(C1-4)alkylsilyl], C2-4alkenyl [optionally substituted by one or more substituents each independently selected from halogen], C2-4alkynyl [optionally substituted by one or more substituents each independently selected from halogen], C3-7cycloalkyl [optionally substituted by one or more substituents each independently selected from halogen, C1-4alkyl and C1-4haloalkyl] or tri(C1-4)alkylsilyl; Z is C1-4alkylene [optionally substituted by one or more substituents each independently selected from hydroxy, cyano, C1-4alkoxy, halogen, C1-4haloalkyl, C1-4haloalkoxy, C1-4alkylthio, COOH and COO—C1-4alkyl]; m is 0 or 1; and n is 0, 1 or 2; the invention also relates to novel intermediates used in the preparation of these compounds, to agrochemical compositions which comprise at least one of the novel compounds as active ingredient and to the use of the active ingredients or compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi

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