BICYCLOESTER DERIVATIVE

摘要

[PROBLEMS] To provide a novel bicycloester derivative having excellent DPP-IV inhibiting activity or a pharmacologically acceptable salt thereof. [MEANS FOR SOLVING PROBLEMS] There is provided a novel bicycloester derivative of the general formula: (1) or a pharmacologically acceptable salt thereof (for example, (2S,4S)- 1-[[N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4- fluoropyrrolidine-2-carbonitrile).