C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 491/052 (2006.01) A01N 43/42 (2006.01) A01N 43/90 (2006.01) C07D 221/08 (2006.01) C07D 491/04 (2006.01) C07D 495/04 (2006.01)
Patent
CA 2153791
A process is disclosed for controlling undesirable plant growth and for regulating plant growth, by applying to the plants derivatives of azaanthraquinones and/or azaxanthones having formula(I'), in which X, Y, Z and the residues R1 to R5 have the following meanings: R1 is hydrogen, methyl; R2-R5 are (a) hydrogen, (b) halogen, (c) nitro, (d) COOR6, in which R6 stands for C1-C4-alkyl (e) CONH2 and CONR6R7, in which R6 and R7 stand for C1-C4-alkyl, (f) C1-C8-alkyl, which may bear one to three of the following substituents; halogen, hydroxy, C1-C6-alkoxy, (g) C3-C6alkenyl, (h) C1-C4-alkoxy, (i) hydroxy, (j) amino or NR6R7, (k) phenyl, which may bear one to five halogen atoms or one to three of the following substituents nitro, C1-C4-alkoxy, C1-C4-alkyl, or C1-C4-alkyl halide: X, Y are N, N4-O- or CH, with the proviso that only a nitrogen atom or a N-oxide group be contained in the ring: Z is oxygen, sulphur or a C = O group: A is oxygen or sulphur. Also disclosed are new azaanthraquinones and azaxanthones and herbicidal and bioregulatory agents containing the same.
Gerber Matthias
Kardorff Uwe
Kast Juergen
Landes Andreas
Meyer Norbert
Basf Aktiengesellschaft
Robic
LandOfFree
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