Microbiocidal heterocycles

Abstract

The present invention relates to heterocyclic compounds of formula I which have microbiocidal activity, in particular fungicidal activity as well as methods of using the compounds of formula I to control microbes: wherein A is x-C(R 10 R 11 )—C(═O)—, x-C(R 12 R 13 )—C(═S)—, x-O—C(═O)—, x-O—C(═S)—, x-N(R 14 )—C(═O)—, x-N(R 15 )—C(═S)—, x-C(R 16 R 17 )—SO 2 — or x-N═C(R 30 )—, in each case x indicates the bond that is connected to R 1 ; T is CR 18 or N; Y 1 , Y 2 , Y 3 , and Y 4 are independently CR 19 or N; Q is O or S; n is 1 or 2; p is 1 or 2, providing that when n is 2, p is 1. R 1 is phenyl, pyridyl, imidazolyl, or pyrazolyl; wherein the phenyl, pyridyl, imidazolyl and pyrazolyl are each optionally substituted by 1 to 3 substituents independently selected from C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, halogen, cyano, hydroxy and amino; R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 10 , R 11 , R 12 , R 13 , R 16 , R 17 , R 18 , R 19 and R 30 each independently are hydrogen, halogen, cyano, C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl; R 8 , R 14 and R 15 each independently are hydrogen or C 1 -C 4 alkyl; and R 9 is phenyl, benzyl or group (a): wherein the phenyl, benzyl and group (a) are each optionally substituted with 1 to 3 substituents independently selected from C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, halogen, cyano, hydroxy and amino; or a salt or a N-oxide thereof.

What is claimed is: 
     
         1 . A compound of formula I.a: 
       
         
           
           
               
               
           
         
         wherein R 1′  is C 1 -C 8  alkyl and Y 1 , Y 2 , Y 3 , Y 4 , A, Q, T, n, p, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , and R 9  have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; 
         or a compound of formula II: 
       
       
         
           
           
               
               
           
         
         wherein Y 1 , Y 2 , Y 3 , Y 4 , A, Q, T, n, p, R 1 , R 2 , R 3 , R 4 , R 5 , R 6  and R 7  have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; 
         or a compound of formula IV: 
       
       
         
           
           
               
               
           
         
         wherein Y 1 , Y 2 , Y 3 , Y 4 , A, Q, T, n, p, R 1 , R 2 , R 3 , R 4 , R 5 , R 6  and R 7  have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; and 
         R 26  is C 1 -C 6  alkyl or optionally substituted aryl; 
         or a compound of formula V: 
       
       
         
           
           
               
               
           
         
         wherein Y 1 , Y 2 , Y 3 , Y 4 , A, Q, n, p, R 1 , R 2 , R 3 , R 4 , R 6  and R 7 , have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; and 
         R 26  is C 1 -C 6  alkyl or optionally substituted aryl; 
         or a compound of formula X: 
       
       
         
           
           
               
               
           
         
         wherein Y 1 , Y 2 , Y 3 , Y 4 , Q, n, p, R 2 , R 3 , R 4 , R 6  and R 7  have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; and R 26  is C 1 -C 6  alkyl or optionally substituted aryl; 
         or a compound of formula XI: 
       
       
         
           
           
               
               
           
         
         wherein Y 1 , Y 2 , Y 3 , Y 4 , A, Q, n, p, R 1 , R 2 , R 3 , R 4 , R 5 , R 6  and R 7 , have the definitions as described for formula I as defined in any one of  claims 1  to  10 ; and Hal stands for halogen. 
       
     
     
         2 . A compound according to  claim 1 , wherein R 26  is C 1 -C 6  alkyl or phenyl optionally substituted with 1 to 3 substituents independently selected from C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, hydroxyl, amino, cyano and halogen.