Fused tricyclic compounds, process for their preparation, and herbicidal compositions containing them

   
   

Novel fused tricyclic compounds represented by formula (I) are described. Q, Y, --L--X--, A, A', B, E, D, n and m are as defined in the disclosure. Also described are the processes for the manufacture of these compounds and agriculturally suitable compositions containing these as active ingredients which are useful as herbicides for general or selective pre-emergent or post-emergent control of undesired plant species.

Il romanzo ha fuso i residui triciclici rappresentati dalla formula (i) รจ descritto. La Q, Y, -- l -- x --. A, A ', B, E, D, n e m. sono come definiti nella rilevazione. Inoltre sono descritti i processi per la fabbricazione di questi residui e composizioni sul piano agricolo adatte che contengono questi come ingredienti attivi che sono utili come diserbanti per controllo pre-emergente o alberino-emergente generale o selettivo della specie indesiderata della pianta.

 
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