Alkylphosphonodiamide herbicides

Herbicides have the formula in which R1 is C2-C8 alkyl or C5-C8 cycloalkyl; R2 is hydrogen or C1-C4 alkyl; R3 is phenyl, optionally substituted by C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 haloalkoxy, one or more halogens, one or two C1-C4 alkoxy groups, one C1-C4 alkyl and one C1-C4 alkoxy groups, or if...

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Hauptverfasser: BROADHURST, MICHAEL D, TSANG, TSZE H
Format: Patent
Sprache:eng
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Zusammenfassung:Herbicides have the formula in which R1 is C2-C8 alkyl or C5-C8 cycloalkyl; R2 is hydrogen or C1-C4 alkyl; R3 is phenyl, optionally substituted by C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 haloalkoxy, one or more halogens, one or two C1-C4 alkoxy groups, one C1-C4 alkyl and one C1-C4 alkoxy groups, or if R2 is C1-C4 alkyl, R3 may also be phenyl substituted by two C1-C4 haloalkyl groups; pyridyl or tolylsulfonyl; R4 and R5 are independently C2-C6 alkyl.