申请人:——
公开号:US20040138148A1
公开(公告)日:2004-07-15
The present invention provides glucopyranosyloxybenzylbenzene derivatives represented by the general formula:
1
wherein P represents a hydrogen atom or a group forming a prodrug; R
1
represents a hydrogen atom, an optionally substituted amino group, a carbamoyl group, an optionally substituted lower alkyl group, an optionally substituted lower alkoxy group, etc.; R
2
represents a hydrogen atom or a lower alkyl group; and R
3
represents an optionally substituted lower alkyl group, an optionally substituted lower alkoxy group, an optionally substituted lower alkylthio group, etc., which have an improved oral absorption, and exert an inhibitory activity in human SGLT2, and therefore are useful as drugs for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, or pharmaceutically acceptable salts thereof, and pharmaceutical uses thereof.
本发明提供了由下式表示的葡萄糖吡喃基氧基苄基苯衍生物:1其中P代表氢原子或形成前药的基团;R1代表氢原子、可选取代氨基、氨基甲酰基、可选取代的低碳基、可选取代的低碳氧基等;R2代表氢原子或低碳基;R3代表可选取代的低碳基、可选取代的低碳氧基、可选取代的低碳硫基等。这些衍生物具有良好的口服吸收性,并在人类SGLT2中表现出抑制活性,因此可用于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,或其药学上可接受的盐和药用用途。