2,4- diaminopyrimidine derivatives

Abstract

There are provided compounds of formula I wherein X, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 and R 9 are as indicated in claim 1 , useful in disorders where ZAP-70 and/or Syk inhibition plays a role or caused by a malfunction of signal cascades connected with FAK.

1 - 10 . (canceled) 
     
     
         11 . A compound of formula I 
       
         
           
           
               
               
           
         
         wherein 
         X is ═CR 0 —; 
         R 0  is hydrogen; 
         R 2  is —SO 2 N(R 10 )R 11 ; 
         each of R 1  and R 3  independently is hydrogen; hydroxy; C 1 -C 8 alkyl; C 2 -C 8 alkenyl; C 3 -C 8 cycloalkyl; C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl; hydroxyC 1 -C 8 alkyl; C 1 -C 8 alkoxyC 1 -C 8 alkyl; hydroxyC 1 -C 8 alkoxyC 1 -C 8 alkyl; arylC 1 -C 8 alkyl which optionally may be substituted on the ring by hydroxy, C 1 -C 8 alkoxy, carboxy or C 1 -C 8 alkoxycarbonyl; 
         or each of R 1  and R 3 , independently, is halogen; halo-C 1 -C 8 alkyl; C 1 -C 8 alkoxy; halo-C 1 -C 8 alkoxy; hydroxyC 1 -C 8 alkoxy; C 1 -C 8 alkoxyC 1 -C 8 alkoxy; aryl; arylC 1 -C 8 alkoxy; heteroaryl; heteroaryl-C 1 -C 4 alkyl; 5 to 10 membered heterocyclic ring; nitro; carboxy; C 2 -C 8 alkoxycarbonyl; C 2 -C 8 alkylcarbonyl; —N(C 1 -C 8 alkyl)C(O)C 1 -C 8 alkyl; —N(R 10 )R 11 ; —CON(R 10 )R 11 ; or)-C 1 -C 4 -alkylene-SO 2 N(R 10 )R 11 ; wherein each of R 10  and R 11  independently is hydrogen; hydroxy; C 1 -C 8 alkyl; C 2 -C 8 alkenyl; C 3 -C 8 cycloalkyl; C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl; C 1 -C 8 alkoxyC 1 -C 8 alkyl; hydroxyC 1 -C 8 alkoxyC 1 -C 8 alkyl; hydroxyC 1 -C 8 alkyl; (C 1 -C 8 alkyl)-carbonyl; arylC 1 -C 8 alkyl which optionally may be substituted on the ring by hydroxy, C 1 -C 8 alkoxy, carboxy or C 2 -C 8 alkoxycarbonyl; or 5 to 10 membered heterocyclic ring; 
         R 4  is hydrogen; 
         R 5  is hydrogen; halogen; C 1-4 alkyl; or CF3; 
         R 6  is hydrogen; 
         each of R 7 , R 8  and R 9  is independently hydrogen; hydroxy; C 1 -C 8 alkyl; C 2 -C 8 alkenyl; halo-C 1 -C 8 alkyl; C 1 -C 8 alkoxy; C 3 -C 8 cycloalkyl; C 3 -C 8 cycloalkylC 1 -C 8 alkyl; arylC 1 -C 8 alkyl; —Y—R 12  wherein Y is a direct bond or O and R 12  is a substituted or unsubstituted 5, 6 or 7 membered heterocyclic ring comprising 1, 2 or 3 heteroatoms selected from N, O and S; carboxy; (C 1 -C 8 alkoxy)-carbonyl; —N(C 1-8 alkyl)-CO—NR 10 R 11 ; —CONR 10 R 11 ; —N(R 10 )(R 11 ); —SO 2 N(R 10 )R 11 ; R 7  and R 8  or R 8  and R 9 , respectively form together with the carbon atoms to which they are attached, a 5 or 6 membered heteroaryl comprising 1, 2 or 3 heteroatoms selected from N, O and S; or a 5 or 6 membered carbocyclic ring;
 wherein any alkyl, alkoxy, alkenyl, cycloalkyl, heterocyclic ring, aryl or heteroaryl may be unsubstituted or substituted by one or more substituents selected from halogen; OH; C 1 -C 8 alkyl; C 1 -C 8 alkoxy; nitro; cyano; COOH; carbamoyl; C(NH 2 )═NOH; —N(R 10 )R 11 ; C 3 -C 6 cycloalkyl; 3 to 7 membered heterocyclic ring; phenyl; phenyl-C 1-4 alkyl; 5 or 6 membered heteroaryl; 
 
         in free form or salt form. 
       
     
     
         12 . A compound according to  claim 11  wherein at most one of R 1  or R 3  is —CON(R 10 )R 11 . 
     
     
         13 . A compound according to  claim 11  which is a compound of formula X 4   
       
         
           
           
               
               
           
         
         wherein R 2 , R 5 , R 7 , R 8  and R 9  are as defined in  claim 11 . 
       
     
     
         14 . A process for the production of a compound of formula I according to  claim 11 , comprising the steps of reacting a compound of formula II 
       
         
           
           
               
               
           
         
         wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6  and X are as defined in  claim 11 , and Y is a leaving group; 
         with a compound of formula III 
       
       
         
           
           
               
               
           
         
         wherein R 7 , R 8  and R 9  are as defined in  claim 11 ; 
         and recovering the resulting compound of formula I in free form or in salt form, and, where required, converting the compound of formula I obtained in free form into the desired salt form, or vice versa. 
       
     
     
         15 . A compound according to  claim 11  in free form or in pharmaceutically acceptable salt form, for use as a pharmaceutical. 
     
     
         16 . A pharmaceutical composition comprising a compound of formula I according to  claim 11  or a pharmaceutically acceptable salt thereof, together with one or more pharmaceutically acceptable carriers or diluents therefor. 
     
     
         17 . A method for the treatment or prevention of a disease or condition in which ZAP-70, FAK and/or Syk tyrosine kinase activation plays a role or is implicated, comprising administering to a subject in need thereof a therapeutically effective amount of a compound of formula I according to  claim 11  in free form or in pharmaceutically acceptable salt form. 
     
     
         18 . A combination which comprises (a) a therapeutically effective amount of a compound of formula I according to  claim 11  as a ZAP-70, FAK and/or Syk inhibitor and (b) a second drug substance. 
     
     
         19 . A combination which comprises (a) a therapeutically effective amount of a compound of formula I according to  claim 12  as a ZAP-70, FAK and/or Syk inhibitor and (b) a second drug substance. 
     
     
         20 . A combination which comprises (a) a therapeutically effective amount of a compound of formula I according to  claim 13  as a ZAP-70, FAK and/or Syk inhibitor and (b) a second drug substance.