5-substituted 4-methyl-5h-indeno[3,2-b]pyridines and...

Details 5-substituted 4-methyl-5h-indeno[3,2-b]pyridines and... 5-substituted 4-methyl-5h-indeno[3,2-b]pyridines and...

C - Chemistry, Metallurgy

07

D

C07D 221/16 (2006.01) A01N 43/42 (2006.01) A01N 43/72 (2006.01) C07D 401/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2152382

A process for controlling undesirable plant growth and for regulating plant growth consists of applying 4-methyl-5H-indeno[1,2- b]-pyridine and 1-methyl-9H-indeno[2,1-c]pyridines having formula (I), in which X, Y, Z and the residues R1 to R5 have the following meaning: R1 stands for hydrogen, alkyl, a COR6 group, in which R6 stands for alkyl; R2-R5 stand for: (a) hydrogen; (b) halogen; (c) nitro; (d) COOR6; (e) CONH2 and CONR6R7, in which R6 and R7 stand for alkyl; (f) optionally substituted alkyl; (g) alkenyl; (h) alkoxy; (i) hydroxy; (j) amino or NR6R7; (k) optionally substituted phenyl; X, Y stand for N, N+-O or CR8, in which R8 stands for hydrogen, C1-C2-alkyl, COOH or COOR6, with the proviso that only one nitrogen atom or N-oxide group be contained in the ring.

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