| abstract |
Selective MMP-13 inhibitors are bicyclic pyrimidines of the Formula I n n nor a pharmaceutically acceptable salt thereof, wherein R 1 is hydrogen or alkyl; R 2 , R 3 , and R 4 include hydrogen, halo, alkyl, C≡C(CH 2 ) m aryl, CO 2 alkyl, CO 2 (CH 2 ) m aryl, COHN alkyl, and CONH(CH 2 ) m aryl; and X is O, S, SO, SO 2 , CH 2 , C═O, CHOH, NH, or NR 5 . nA compound of Formula I, or a pharmaceutically acceptable salt thereof, is useful for treating cancer or arthritis. |