compound, use of substituted (4-bromopyrazol-3-yl) benzazoles and their agriculturally useful salts, herbicidal compositions and for desiccation and / or defoliation of plants, and processes for preparing herbicidally active compositions, for preparing compositions having desiccant and / or defoliant, to control undesirable vegetation, for desiccation and / or defoliation of plants and for the preparation of substituted (4-bromopyrazol-3-yl) benzazoles.

摘要

Substituted (4-bromopyrazol-3-yl)benzazoles Iand their salts whereR1=H, C1-C4-alkyl, C1-C4-haloalkyl;R2=CN, Cl-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkylsulfinyl, C1-C4-haloalkylsulfinyl, C1-C4-alkylsulfonyl, C1-C4-haloalkylsulfonyl;R4=H, halogen;R5=H, CN, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy;Z=-N=C(XR6)-O- or -N=C(XR6)-S-, attached to alpha via the nitrogen, oxygen or sulfur;X=a chemical bond, oxygen, sulfur, -S(O)-, -SO2-, -NH- or -N(R7)-;R6, R7=Cl-C6-alkyl, Cl-C6-haloalkyl, cyano-Cl-C4-alkyl, hydroxy-C1-C4-alkyl, C3-C6-alkenyl, cyano-C3-C6-alkenyl, C3-C6-haloalkenyl, C3-C6-alkynyl, cyano-C3-C6-alkynyl, C3-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkyl, C3-C4-alkenyloxy-C1-C4-alkyl, C3-C4-alkynyloxy-C1-C4-alkyl, C3-C8-cycloalkyloxy-C1-C4-alkyl, amino-Cl-C4-alkyl, C1-C4-alkylamino-C1-C4-alkyl, di(C1-C4-alkyl)amino-C1-C4-alkyl, Cl-C4-alkylthio-C1-C4-alkyl, C1-C4-haloalkylthio-C1-C4-alkyl, C3-C4-alkenylthio-C1-C4-alkyl, C3-C4-alkynylthio-C1-C4-alkyl, C1-C4-alkylsulfinyl-Cl-C4-alkyl, C1-C4-haloalkylsulfinyl-C1-C4if X=a chemical bond, -O-, -S-, -NH- or -N(R7)-, R6 may also be C1-C4-alkylcarbonyl, C1-C4-haloalkylcarbonyl, C1-C4-alkoxycarbonyl, C1-C4-alkylsulfonyl or C1-C4-haloalkylsulfonyl;if X=a chemical bond, R6 may furthermore be CN, SH, NH2, halogen, -CH2-CH(halogen)-R8, -CH=CH-R8 or -CH=C(halogen)-R8, where R8=COOH, C1-C4-alkoxycarbonyl, C1-C4-alkylthiocarbonyl, CONH2, C1-C4-alkylaminocarbonyl, di(C1-C4-alkyl)aminocarbonyl or di(C1-C4-alkyl)phosphonyl;or R6+R7=an unsubstituted or substituted 1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene chain.Use: As herbicides; for the desiccation/defoliation of plants.