Patent UA-53679-C2 (UA)
Title: Substituted pyrazole-3-yl benzazoles, a process for preparation thereof (variants), a herbicide agent and a process for preparation thereof, an agent for plants desiccation and/or defoliation and a process for undesirable plants growth control and a process for plants desiccation and/or defoliation
Inventor: HAMPRECHT GERHARD
IPC: C07D417/04
Filed: 1997-01-12
Abstract: The invention concerns substituted pyrazole-3-yl benzazoles of formula (I) and salts thereof, in the formula R1 designating H, С1-С4 alkyl, С1-С4 alkyl halide; R2 designating CN, С1-С4-alkyl, С1-С4-haloalkyl, С1-С4-alkoxy, С1-С4-haloalkoxy, С1-С4-alkylthio, С1-С4-haloalkylthio, С1-С4-alkylsulphinyl, С1-С4-haloalkylsulphinyl, С1-С4-alkylsulphonyl, С1-С4-haloalkylsulphonyl; R3 - H, CN, NO2, halogen, С1-С4-alkyl, С1-С4-haloalkyl; R4 designating H, halogen; R5 designating H, CN, halogen, С1-С4-alkyl, С1-С4-haloalkyl, С1-С4-alkoxy or С1-С4-haloalkoxy; Z designating -N-C(XR6)-O- or -N-C(XR6)-S-, bonded to by the nitrogen, oxygen or sulphur, X designating a chemical bond, oxygen, sulphur, -S(O)-, -SO2-, -NH- or -N(R7); R6, R7 designating С1-С6-alkyl, С1-С6-haloalkyl, cyano-С1-С4-alkyl, hydroxy-С1-С4alkyl, С3-С6-alkenyl, суаnо-С3-С6-alkenyl, С3-С6-haloalkenyl, С3-С6-alkinyl, суаnо-С3-С6-alkinyl, С3-С6-haloalkinyl, С1-С4-alkoxy-С1-С4-alkyl, С1-С4-haloalkoxy-С1-С4-alkyl, C3-C4-alkenyloxy-С1-С4-alkyl, C3-C4-alkinyloxy-С1-С4-alkyl, C3-C8-cycloalkyloxy-С1-С4-alkyl, amino-С1-С4-alkyl, С1-С4-alkylamino-С1-С4-alkyl, di(С1-С4-alkyl)amino-С1-С4-alkyl, С1-С4-alkylthio-С1-С4-alkyl, С1-С4-haloalkylthio-С1-С4-alkyl, C3-C4-alkenylthio-С1-С4-alkyl, C3-C4-alkinylthio-С1-С4-alkyl, С1-С4-alkylsulphinyl-С1-С4-alkyl, С1-С4-haloalkylsulphinyl-С1-С4-alkyl, C3-C4-alkenylsulphinyl-С1-С4-alkyl, C3-C4-alkinylsulphinyl-С1-С4-alkyl, С1-С4-allcylsulphonyl-С1-С4-alkyl, С1-С4-haloalkylsulphonyl-С1-С4-alkyl, C3-C4-alkenylsulphonyl-С1-С4-alkyl, C3-C4-alkinylsulphonyl-С1-С4-alkyl, hydroxycarbonyl-С1-С4-alkyl, С1-С4-alkoxycarbonyl-С1-С4-alkyl, which can carry a CN oder С1-С4-alkoxycarbonyl group, С1-С4-alkylthiocarbonyl-С1-С4-alkyl, aminocarbonyl-С1-С4-alkyl, С1-С4-alkylaminocarbonyl-С1-С4-alkyl, di(С1-С4-alkyl)aminocarbonyl-С1-С4-alkyl, di(С1-С4-alkyl)-phosphonyl-С1-С4-alkyl, С1-С4-alkoxyimino-С1-С4-alkyl, C3-C4-alkenyloxyimino-С1-С4-alkyl, optionally substituted C3-C8-cycloalkyl, C3-C8-cycloalkyl-С1-С4-alkyl, phenyl, phenyl-С1-С4-alkyl, 3- to 7-member heterocyclic or heterocyclyl-С1-С4-alkyl, wherein each cycloalkyl ring and each heterocyclyl ring contain a CO or CS ring member, if X is a chemical bond, -O-, -S-, -NH- or -N(R7)-, R6 also being С1-С4-alkylcarbonyl, С1-С4-haloalkylcarbonyl, С1-С4-alkoxycarbonyl, С1-С4-alkylsulphonyl or С1-С4-haloalkylsulphonyl; if X is a chemical bond, R6 additionally designating CN, SH, NH2, halogen, -CH2-CH(halogcn)-R8, -CH=CH-R8 or –CH=C(halogen)-R8, R8 designating COOH, С1-С4-alkoxycarbonyl, С1-С4-alkylthiocarbonyl, CONH2, С1-С4-alkylaminocarbonyl, di(С1-С4 alkyl)aminocarbonyl or di(С1-С4-alkyl)phosphonyl; or R6 plus R7 designating an optionally substituted 1,3-propylene, tetramethylene, pentamethylene or ethylene oxyethylene chain. The invention also concerns the use of these substances as herbicides and for the desiccation and/or defoliation of plants. (I)