申请人:Chengdu Easton Pharmaceutical Co., Ltd.
公开号:US09255098B2
公开(公告)日:2016-02-09
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.
本发明披露了一种黄嘌呤衍生物,其具有以下通用式(I)的结构或其药学上可接受的盐;进一步披露了该黄嘌呤衍生物或其药学上可接受的盐的制备方法;并进一步披露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受性的影响以及对自发性糖尿病小鼠血糖的影响的实验,证明该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,更特别地,可用于治疗II型糖尿病或异常葡萄糖耐受性疾病的药物使用。