Insecticidal compounds

Abstract

The present invention relates to novel triazole derivatives of formula (I) having insecticidal activity, to processes and intermediates for preparing them, to insecticidal, acaricidal, nematicidal or molluscicidal compositions comprising them and to methods of using them to combat and control insect, acarine, nematode or mollusc pests wherein Y, X 1 , X 2 and Q are as defined in claim 1 ; or salts thereof.

1 . A compound of formula (I) 
       
         
           
           
               
               
           
         
         wherein 
         Y is chlorine, bromine, iodine, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl or C 1 -C 4  haloalkoxy, 
         X 1  is hydrogen, fluorine or methoxy 
         X 2  is hydrogen or cyano, with the condition that if X 2  is cyano, then X 1  is hydrogen, 
         R is hydrogen or C 1 -C 4  alkyl 
         Q is a group selected from Q1, Q2, Q3, Q4 and Q5, where 
         Q1 is a group of formula (IIa) 
       
       
         
           
           
               
               
           
         
         Where the substituents W1 are independently selected from, hydrogen, halogen, cyano, nitro, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 1 -C 4  alkoxy or C 1 -C 4  haloalkoxy, 
         n1 is 0, 1 or 2 
         Q2 is a group of formula (IIb) 
       
       
         
           
           
               
               
           
         
         Where W 2  is selected from, hydrogen, halogen, cyano, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 1 -C 4  alkoxy or C 1 -C 4  haloalkoxy, 
         Q3 is a group of formula (IIc) 
       
       
         
           
           
               
               
           
         
         Where W 3  is selected from, hydrogen, halogen, cyano, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 1 -C 4  alkoxy or C 1 -C 4  haloalkoxy, 
         Q4 is a group of formula (IId) 
       
       
         
           
           
               
               
           
         
         Where W 4  is selected, hydrogen, halogen, cyano, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 1 -C 4  alkoxy or C 1 -C 4  haloalkoxy, 
         Q5 is a group of formula (IIe) 
       
       
         
           
           
               
               
           
         
         Where W 5  is selected from hydrogen, hydrogen, halogen, cyano, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 1 -C 4  alkoxy or C 1 -C 4  haloalkoxy, 
         or an agrochemically acceptable salt thereof. 
       
     
     
         2 . A compound of formula (I) according to  claim 1  wherein
 Q is a group selected from Q1, Q2, Q3, Q4 and Q5, where 
 Q1 is a group of formula (IIa) 
 
       
         
           
           
               
               
           
         
         where the substituents W 1  is cyano, 
         and ni is 1 
         Q2 is a group of formula (IIb) 
       
       
         
           
           
               
               
           
         
         where W 2  is hydrogen, 
         Q3 is a group of formula (IIc) 
       
       
         
           
           
               
               
           
         
         where W 3  is hydrogen, 
         Q4 is a group of formula (IId) 
       
       
         
           
           
               
               
           
         
         where W 4  is hydrogen 
         Q5 is a group of formula (IIe) 
       
       
         
           
           
               
               
           
         
         where W 5  is hydrogen. 
       
     
     
         3 . A compound of formula (I) according to  claim 1  wherein
 X 1  is hydrogen, fluorine or methoxy 
 X 2  is hydrogen or cyano, with the condition that if X 2  is cyano, then X 1  is hydrogen, 
 R is hydrogen, methyl or ethyl. 
 
     
     
         4 . A compound of formula (I) according to  claim 1  wherein
 X 1  is methoxy and X 2  is hydrogen. 
 
     
     
         5 . A compound of formula (I) according to  claim 4  wherein
 X 2  is cyano and X 1  is hydrogen. 
 
     
     
         6 . A compound of formula (III) 
       
         
           
           
               
               
           
         
         where Y is chlorine, bromine, iodine, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl or C 1 -C 4  haloalkoxy. 
       
     
     
         7 . A method of controlling insects, acarines, nematodes or molluscs which comprises applying to a pest, to a locus of a pest, or to a plant susceptible to attack by a pest an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula (I) as defined in 1. 
     
     
         8 . An insecticidal, acaricidal, nematicidal or molluscicidal composition comprising an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula (I) as defined in 1 together with an agrochemically acceptable diluent or carrier. 
     
     
         9 . A composition according to  claim 8  which further comprises one or more additional insecticidal, acaricidal, nematicidal or molluscicidal compounds. 
     
     
         10 . A method of protecting useful plants from insects, acarines, nematodes or molluscs, comprising applying to said plants, to the locus thereof, or to plant propagation material thereof, an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula I in  claim 1 .