Nitrogenous heterocyclic derivative, medicinal composition containing the same, medical use thereof, and intermediate therefor
申请人:Nishimura Toshihiro
公开号:US20050049203A1
公开(公告)日:2005-03-03
The present invention provides nitrogen-containing heterocyclic derivatives represented by the general formula:
wherein X
1
and X
3
independently represent N or CH; X
2
represents N or CR
2
; X
4
represents N or CR
3
; and with the proviso that one or two of X
1
, X
2
, X
3
and X
4
represent N; R
1
represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a lower alkoxy-substituted (lower alkyl) group, a lower alkoxy-substituted(lower alkoxy) group, a lower alkoxy(lower alkoxy) -substituted (lower alkyl) group, a cyclic lower alkyl group, a halo(lower alkyl) group or a group represented by the general formula: HO-A—wherein A represents a lower alkylene group, a lower alkyleneoxy group or a lower alkylenethio group; R
2
represents a hydrogen atom, a halogen atom, a lower alkyl group, a cyclic lower alkyl group, a lower alkoxy group, an amino group, a (lower acyl)amino group, a mono(lower alkyl)amino group or a di(lower alkyl)amino group; and R
3
represents a hydrogen atom or a lower alkyl group, or pharmaceutically acceptable salts thereof, or prodrugs thereof which are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, pharmaceutical compositions comprising the same, and pharmaceutical uses and production intermediates thereof.
本发明提供了一种以通式表示的含氮杂环衍生物:
其中,X1和X3独立地表示N或CH;X2表示N或CR2;X4表示N或CR3;并且假定X1、X2、X3和X4中的一个或两个表示N;R1表示氢原子、卤素原子、低碳基、低烷氧基、低硫代烷基、低烷氧基取代的(低烷基)基团、低烷氧基取代的(低烷氧基)基团、低烷氧基(低烷氧基)取代的(低烷基)基团、环状低烷基、卤素(低烷基)基团或由通式HO-A-表示的基团,其中A表示低碳亚烷基、低碳亚烷氧基或低碳亚烷硫基;R2表示氢原子、卤素原子、低碳基、环状低碳基、低烷氧基、氨基、(低酰基)氨基、单(低烷基)氨基或双(低烷基)氨基;R3表示氢原子或低碳基,或其药学上可接受的盐,或其前药,其作为预防或治疗与高血糖相关的疾病,如糖尿病、糖尿病并发症或肥胖症的药剂,包括这些药剂的制剂和制备中间体。