There is provided a novel pyrrolidine derivative represented by the formula (I) or a salt thereof having an excellent DPP-IV inhibitory activity and an excellent pharmacokinetic. On the basis of the action as such, the compound of the present invention is useful for treatment and/or prevention of insulin-dependent diabetes mellitus (type 1 diabetes mellitus) and particularly for non insulin-dependent diabetes mellitus (type 2 diabetes mellitus), insulin-resistant diseases, obesity, etc.
[In the formula, -A- is a single bond, -O-, -S-, -NH- or -N(lower alkyl)-; and -B is lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, aryl, non-aromatic hetero ring or aromatic hetero ring and each of those groups may be substituted.]
本发明提供了一种由式(I)代表的新型
吡咯烷衍
生物或其盐,具有优异的
DPP-IV抑制活性和药代动力学。基于这样的作用,本发明的化合物可用于治疗和/或预防
胰岛素依赖型糖尿病(1 型糖尿病),特别是非
胰岛素依赖型糖尿病(2 型糖尿病)、
胰岛素抵抗性疾病、肥胖症等。
[式中,-A-为单键、-O-、-S-、-NH-或-N(低级烷基)-;-B为低级烷基、低级烯基、低级炔基、环烷基、芳基、非芳香杂环或芳香杂环,其中每个基团均可被取代。]