Compounds 1 - 4 - 5 - alkyl - Benzoyl - hiroxipirazol,Herbicidal compositions containing them, method for controlling unwanted vegetation and compuestosintermediarios useful for preparing such compounds

摘要

Compounds 1 - alkyl - Benzoyl - 5 - 4 - hydroxy - pyrazole characterized because they have the formula (i) wherein: X is F, CL, BR, c1-c4 alkyl, OCH3, OC2H5 ch2och3 or CH (CH3, OCH3, CH3); and,C2H5, or CH (CH3) 2; Z represents H or benzyl substituents have up to three (queopcionalmente anilloseleccionados between (F, CL, BR, CN, CF3, NO2, CH3, C2H5, OCH3, and OC2H5; R represents c1-c4 alkyl,Alquenilo C3 or C4, C3 - C4 alquinilo; R representah, ch2och3, or C1 - C3 alkyl; and each pays them represents H or c1-c4 alkyl, alquenilo C3 - C4Alquinilo C3 or C4 (where each unoopcionalmente has two substituents selected from CL, BR, alkoxy of one to four carbon Atoms.And fluoroalcoxi C1 - c3y until tressustituyentes f or benzyl (optionally) has up to three Ring substituents selected from F, CL, BR, CN, CF3, NO2, CH3, C2H5, OCH3,Yoc2h5; under the condition that not represent both r h; or NR2 represents unsustituyent Heterocyclic and aliphatic nitrogen 4 to 7 members queopcionalmente has 0 as a Second atom ofRing, optionally has a double Bond, and optionally has up to three sustituyentesseleccionados between (F, CL, BR, or c1-c4 alkyl, alkoxy fluoroalquilo C1 - C3 - C4, C1, fluoroalcoxi C1 - C3Alcoximetilo C1 - C3, and phenyl (opcionalmenteposeen until Three Ring substituents selected from F, CL, BR, CN, CF3, NO2, CH3, C2H5, OCH3,And OC2H5; or a part of nr2representa Pirol - 1 - 1 - iloo pyrazole - ilo optionally with up to two substituents selected from F, CL, BR, I, CN, CF3, C1 - C3 alkyl,C1 and C3 alkoxy - or when h; Z represents an agriculturally acceptable Salt or Ester thereof. Such compounds are useful for the control of a variety of Broadleaf Weeds and Pasture. The