HERBICIDALLY ACTIVE 6'-PHENYL-2,2'-BIPYRIDINE-3-CARBOXYLIC ACID DERIVATIVES

摘要

There are described 6′-phenyl-2,2′-bipyridine-3-carboxylic acid derivatives of the general formula (I) as herbicides.;;In this formula (I), R1 to R5 are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro, cyano and formyl.

主权项

1. 6′-Phenyl-2,2′-bipyridine-3-carboxylic acid derivative of formula (I), and/or an N-oxide and/or a salt thereof in which R1, R4 and R5 independently of one another are nitro, halogen, cyano, formyl, rhodano, (C1-C6)-alkyl, halo-(C1-C6)-alkyl, (C2-C6)-alkenyl, halo-(C2-C6)-alkenyl, (C2-C6)-alkynyl, halo-(C2-C6)-alkynyl, (C3-C6)-cycloalkyl, halo-(C3-C6)-cycloalkyl, (C3-C6)-cycloalkyl-(C1-C6)-alkyl, halo-(C3-C6)-cycloalkyl-(C1-C6)-alkyl, COR7, COOR7, N(R7)2, NR7COOR6, C(O)N(R7)2, NR7C(O)N(R7)2, OC(O)N(R7)2, C(O)NR7OR7, OR7, OCOR7, OSO2R6, S(O)wR6, SO2OR6, SO2N(R7)2, NR7SO2R6, NR7OR7, (C1-C6)alkyl-S(O)wR6(C1-C6)-alkyl-OR7, (C1-C6)-alkyl-OSO2R6, (C1-C6)-alkyl-CO2R7, (C1-6)-alkyl-SO2OR6, (C1-C6)-alkyl-CON(R7)2, (C1-C6)-alkyl-SO2N(R7)2, (C1-C6)-alkyl-NR7COR7, (C1-C6)-alkyl-NR7SO2R6, P(O)(OR7)2, CH2P(O)(OR7)2, heteroaryl, heterocyclyl, (C1-C6)-alkyl-heteroaryl or (C1-C6)-alkylheterocyclyl, where the four last-mentioned radicals are in each case substituted by s radicals selected from the group consisting of halogen, nitro, cyano, (C1-C6)-alkyl, halo-(C1-C6)-alkyl, (C1-C6)-alkoxy and halogen-(C1-C6)-alkoxy, and where heterocyclyl has n oxo groups attached to it, R2 is hydrogen, (C1-C6)-alkyl, halo-(C1-C6)-alkyl, (C2-C6)-alkenyl, halo-(C2-C6)-alkenyl, (C2-C6)-alkynyl, halo-(C2-C6)-alkynyl, (C3-C6)-cycloalkyl, halo-(C3-C6)-cycloalkyl, (C3-C6)-cycloalkyl-(C1-C6)-alkyl or halo-(C3-C6)-cycloalkyl-(C1-C6)-alkyl, R3 is hydrogen, halogen, (C1-C6)-alkyl, halo-(C1-C6)-alkyl, halogen-(C2-C6)-alkenyl, (C2-C6)-alkenyl, (C2-C6)-alkynyl, halogen-(C2-C6)-alkynyl, (C3-C6)-cycloalkyl or halogen-C3-C6)-cycloalkyl, R6 is (C1-C6)-alkyl, halo-(C1-C6)-alkyl, (C2-C6)-alkenyl, halo-(C2-C6)-alkenyl, (C2-C6)-alkynyl, halo-(C2-C6)-alkynyl, (C3-C6)-cycloalkyl, halo-(C3-C6)-cycloalkyl, (C4-C8)-cycloalkenyl, halo-(C3-C6)-cycloalkenyl, (C3-C6)-cycloalkyl-(C1-C6)-alkyl or halo-(C3-C6)-cycloalkyl-(C1-C6)-alkyl, R7 is hydrogen, (C1-C6)-alkyl, (C1-C6)-haloalkyl, (C2-C6)-alkenyl, (C2-C6)-haloalkenyl, (C2-C6)-alkynyl, (C2-C6)-haloalkynyl, (C3-C6)-cycloalkyl, (C3-C6)-halocycloalkyl, (C4-C8)-cycloalkenyl, (C3-C6)-halocycloalkenyl, (C3-C6)-cycloalkyl-(C1-C6)-alkyl, or (C3-C6)-halocycloalkyl-(C1-C6)-alkyl, n is 0, 1 or 2, m is 0, 1, 2 or 3, o is 0, 1, 2, 3, 4 or 5, s is 0, 1, 2 or 3, w is 0, 1 or 2.