| abstract |
The present invention is directed to compounds of formula (I) or a pharmaceutically acceptable salt thereof; wherein A is (xx) ; 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 and -C(O)NRlORl 1, 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. |