Piperazine compounds having herbicidal action

Details Piperazine compounds having herbicidal action Piperazine compounds having herbicidal action

C - Chemistry, Metallurgy

07

D

C07D 239/22 (2006.01) C07D 239/49 (2006.01) C07D 239/54 (2006.01) C07D 239/58 (2006.01) C07D 239/70 (2006.01) C07D 401/06 (2006.01) C07D 401/10 (2006.01) C07D 403/04 (2006.01) C07D 403/10 (2006.01) C07D 405/04 (2006.01) C07D 413/10 (2006.01) C07D 417/10 (2006.01) C07D 471/14 (2006.01) C07D 487/04 (2006.01) C07D 491/10 (2006.01)

Patent

CA 2686224

The present invention relates to piperazine compounds of the general formula (I) defined below and to the use thereof as herbicides. The invention also relates to compositions for crop protection and to a process for controlling undesired plant growth. In formula (I), A1, A2 are each independently aryl or heteroaryl, where Ra is bonded in the ortho position to the bonding site of A1 to a carbon atom or nitrogen atom of A1, Y1, Y2 are each oxygen, sulfur or an NRy1 group, and the variables Ra, Rb, Rc, Rd, Re, Rf, R1, R2, R3, R4, R5, R6, R7 and R8 are each as defined in the claims and the description.

La présente invention concerne des composés de pipérazine représentés par la formule générale (I) définie par la suite et leur utilisation en tant qu'herbicides. L'invention concerne également des agents pour la protection des plantes et un procédé de lutte contre la végétation indésirable. Dans la formule (I), A1 et A2 représentent indépendamment l'un de l'autre un aryle ou un hétéroaryle, Ra étant relié à un atome C ou un atome N de A1 en position ortho par rapport à la position de liaison de A1, Y1 et Y2 représentent l'oxygène, le soufre ou un groupement NRy1 et les variables Ra, Rb, Rc, Rd, Re, Rf, R1, R2, R3, R4, R5, R6, R7 et R8 ont les significations données dans les revendications et la description.

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