| abstract |
The present invention is directed to compounds of formula (I) or a pharmaceutically acceptable salt thereof; wherein A is (1); X is selected from CH, CF and N; R5 is selected from H, C1-C6 alkyl, C1-C6 fluoroalkyl, and -OR12; R9 is selected from H -NR13C(O)R14 and -C(O)NR10R11; R12 is selected from H, C1-C6 alkyl and C3-C6 cycloalkyl, for use as inhibitors of the DPP-IV enzyme in the treatment or prevention of conditions including Type II diabetes. |