The invention relates to compounds of formula (1)
wherein Z, R
1-3
and A have the meaning as cited in the description and the claims. Said compounds are useful as DPP-IV inhibitors. The invention also relates to the preparation of such compounds as well as the production and use thereof as medicament.
本发明涉及式(1)的化合物,其中Z,R1-3和A的含义如所述及权利要求中所述。所述化合物可用作
DPP-IV
抑制剂。本发明还涉及制备这些化合物以及将其作为药物的生产和使用。