Herbicidal compounds

Details Herbicidal compounds Herbicidal compounds

C - Chemistry, Metallurgy

07

D

260/321, 260/322

C07D 209/46 (2006.01) A01N 43/36 (2006.01) A01N 43/38 (2006.01) C07D 207/44 (2006.01)

Patent

CA 2026235

CA - PS/5-17765/= Novel herbicidal compounds Abstract The compounds of formula I Image (I) wherein R1 is hydrogen or (C1-C8)alkyl; R2 is hydrogen or (C1-C8)alkyl; or R1 and R2 together form a -(CH2)4- bridge that is unsubstituted or mono- or di-substituted by (C1-C4)alkyl; R3 and R4 independently of one another are hydrogen or (C1-C4)alkyl; or one of the radicals R3 and R4 is hydrogen and the other is a phenyl radical that is unsubstituted or mono- to tri-substituted by identical or different substituents selected from halogen, (C1-C4)alkyl and (C1-C4)alkoxy; or R3 and R4 together form a -(CH2)n- bridge, in which n = 2, 3, 4, 5 or 6, which, if desired, may be mono- to tri-substituted by (C1-C4)alkyl; R5 is hydrogen or fluorine; R6 is halogen; A is a straight-chained or branched (C1-C4)alkylene chain; B is a radical -O-A-S(O)m-Q or -S-A-Q1; m is 0, 1 or 2; Q is (C1-C12)alkyl;(C2-C8)alkoxyalkyl; (C3-C7)alkenyl; (C3-C7)alkynyl; (C3-C7)cyclo- alkyl; phenyl or benzyl, the phenyl ring being unsubstituted or mono- to tri-substituted by (C1-C4)alkyl, halogen or by (C1-C4)alkoxy; Q1 is-COOR7; R7 is hydrogen; (C1-C12)alkyl; (C2-C8)alkoxyalkyl; (C3-C7)alkenyl; (C3-C7)alkynyl; (C3-C7)cycloalkyl; (C3-C7)alkenyloxy-(C1-C4)alkyl; (C2-C8)alkylthioalkyl; di-(C1-C4)- alkylamino-(C1-C4)alkyl; phenyl or benzyl, the phenyl ring being unsubstituted or mono- to tri-substituted by (C1-C4)alkyl, halogen or by (C1-C4)alkoxy, are herbicidal and plant growth regulating active ingredients. The invention relates to compounds of formula I, to processes for the preparation thereof, to novel intermediates and to novel herbicidal and growth regulating compositions and to their use for controlling undesired plant growth or for influencing the growth of cultivated plants.

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