Benzoylpyrazole compounds, process for their production and herbicides containing them

The invention relates to a novel herbicide, showing excellent herbicidal effects, which has a wide application range including agricultural and non-agricultural fields and various application methods including soil and foliage treatment.A benzoylpyrazole compound is claimed represented by the formula (I) or its salt:wherein: R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl or halogen, R5 is alkyl substituted by one Y1, haloalkoxy, alkoxy substituted by one Y2, or alkoxycarbonyl, R6 is alkyl sulfonyl, A is -CH(CH3)- group, Y1 is alkoxy or haloalkoxy, and Y2 is alkoxy; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow. Inventia se refera la un erbicid nou, care manifesta un spectru larg de activitate si poate fi utilizat la tratarea suprafetelor agricole si neagricole, prin diverse metode, inclusiv tratamentul solului si tratamentul foliar.Se revendica un compus benzoilpirazolic cu formula (I) sau o sare a lui:unde: R1 este alchil, R2 - un atom de hidrogen sau alchil, R3 - alchil, R4 - alchil sau halogen, R5 - alchil substituit cu un Y1, haloalcoxi, alcoxi substituit cu un Y2 sau alcoxicarbonil, R6 - alchilsulfonil, A - grupa -CH(CH3)-, Y1 - alcoxi sau haloalcoxi si Y2 - alcoxi; un procedeu de preparare; un erbicid care îl contine în calitate de ingredient activ si o metoda de combatere a plantelor nedorite sau de inhibare a cresterii lor, care presupune aplicarea unei cantitati efective de erbicid pe plantele nedorite sau la locul cresterii lor.