Novel Compounds

Abstract

The invention provides compounds of formula (I): wherein R 1 and R 2 are as defined in the specification; processes for their preparation; pharmaceutical compositions containing them; a process for preparing the pharmaceutical compositions; and their use in therapy. The compounds are useful as MMP inhibitors.

1 - 18 . (canceled) 
     
     
         19 . A compound of formula: 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt thereof. 
       
     
     
         20 . A pharmaceutical composition comprising a compound of formula: 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt thereof, in association with a pharmaceutically acceptable adjuvant, diluent, or carrier. 
       
     
     
         21 . A method of treating aortic aneurysm, which comprises administering to a patient a therapeutically effective amount of a compound of formula: 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt thereof.