1-carbamoyl-2-pyrazoline derivatives having herbicidal activity

Details 1-carbamoyl-2-pyrazoline derivatives having herbicidal activity 1-carbamoyl-2-pyrazoline derivatives having herbicidal activity

C - Chemistry, Metallurgy

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260/315.4, 71/8.

C07D 231/06 (2006.01) A01N 47/38 (2006.01) C07C 33/02 (2006.01) C07C 33/025 (2006.01) C07D 231/18 (2006.01) C07D 231/54 (2006.01) C07D 231/56 (2006.01) C07D 405/04 (2006.01) C07D 409/12 (2006.01)

Patent

CA 1314554

ABSTRACT The invention relates to a herbicidally active compound of the general Image (I) wherein R1, R2, R3 and R4 are equal or different and represent hydrogen atoms, alkyl groups having 1-6 carbon atoms, cycloalkyl groups having 3-6 carbon atoms or alkoxycar- bonyl groups having 2-5 carbon atoms; R5 is a hydrogen atom, an alkyl group or haloalkyl group having 1-8 carbon atoms, a substituted or non-substitu- ted phenyl group, a substituted or non-substituted heterocyclic group, or an alkenyl, alkynyl or alkoxy- carbonyl group having 2-5 carbon atoms; and wherein two of the groups R1, R2, R3, R4 and R5 together may form a straight or branched alkylene group having 3-5 carbon atoms; Ar is a phenyl group, a phenyl(C1-C4)alkyl group or a heteroaryl group; R6 is a hydrogen atom or substituent to Ar, which substituent, in case Ar is a phenyl or phenylalkyl group, is attached to the phenyl group in the ortho position with respect to the sulphonyl or sulphonylal- kyl group, and which substituont is selected from the following atoms and groups; a halogen atom; a nitro group; an alkoxycarbonyl group that has 2-8 carbon atoms and is unsubstituted or substituted with one or more hydroxy or C1-C4 alkoxy groups; and an alkyl, hydroxyalkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulphonyl and haloalkylsulphonyl group having 1-6 carbon atoms; and R7 represent a hydrogen atom or one or two halogen atoms or C1-C4 alkyl groups.

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