申请人:Chengdu Easton Pharmaceutical Co., Ltd.
公开号:US20150183788A1
公开(公告)日:2015-07-02
The present invention discloses a xanthine derivative having the structure of the following general formula (I) or a pharmaceutically acceptable salt thereof; further discloses a preparation method for the xanthine derivative or a pharmaceutically acceptable salt thereof; and further discloses the use of the xanthine derivative or a pharmaceutically acceptable salt thereof. Through experiments of DPP-IV activity inhibition experiments in vitro, impact on glucose tolerance in normal mice and impact on blood glucose in spontaneous diabetic mice, it proves that the compounds and pharmaceutically acceptable salts thereof show good DPP-IV inhibition activity, can be applied to prepare medicines for treating dipeptidyl peptidase IV-related diseases, and more particularly, can be applied to the use of medicines for treating type II diabetes or diseases of abnormal glucose tolerance.
本发明公开了具有以下一般式(I)的黄嘌呤衍生物或其药学上可接受的盐;进一步公开了该黄嘌呤衍生物或其药学上可接受的盐的制备方法;并进一步公开了该黄嘌呤衍生物或其药学上可接受的盐的用途。通过体外DPP-IV活性抑制实验、对正常小鼠葡萄糖耐量的影响以及对自发性糖尿病小鼠血糖的影响实验证明,这些化合物及其药学上可接受的盐表现出良好的DPP-IV抑制活性,可用于制备治疗二肽基肽酶IV相关疾病的药物,更具体地说,可用于治疗II型糖尿病或异常葡萄糖耐量疾病的药物的应用。