申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US07728025B2
公开(公告)日:2010-06-01
A glucokinase activator is provided; and a remedy and/or a preventive for diabetes, or a remedy and/or a preventive for diabetes such as retinopathy, nephropathy, neurosis, ischemic cardiopathy, arteriosclerosis, and further a remedy and/or a preventive for obesity are provided.
A glucokinase activator characterized by containing a 2-heteroaryl-substituted benzimidazole derivative of a general formula (I-0) or its pharmaceutically-acceptable salt:
[in the formula, X represents a carbon atom or a nitrogen atom;
X1, X2, X3 and X4 each independently represent a carbon atom or a nitrogen atom; the ring A represents a 5- or 6-membered nitrogen-containing aromatic hetero ring of a formula (II):
(in the formula, X represents a carbon atom or a nitrogen atom); R1 represents an aryl, etc.; R2 represents a hydroxy, etc.; R3 represents a —C1-6 alkyl, etc.; R4 represents a —C1-6 alkyl, etc.; X5 represents —O—, etc.; a indicates an integer of 1, 2 or 3; q indicates an integer of from 0 to 2; m indicates an integer of from 0 to 2].
提供了一种葡萄糖激酶激活剂;提供了糖尿病的治疗和/或预防,或类似视网膜病变、肾病、神经病、缺血性心脏病、动脉硬化等糖尿病的治疗和/或预防,以及肥胖症的治疗和/或预防。一种葡萄糖激酶激活剂,其特征在于包含一般式(I-0)的2-杂环芳基取代苯并咪唑衍生物或其药学上可接受的盐:[在该式中,X表示碳原子或氮原子;X1、X2、X3和X4各自独立地表示碳原子或氮原子;环A表示式(II)的5-或6-成员含氮芳杂环:(在该式中,X表示碳原子或氮原子);R1表示芳基等;R2表示羟基等;R3表示- C1-6烷基等;R4表示- C1-6烷基等;X5表示-O-等;a表示1、2或3的整数;q表示0到2的整数;m表示0到2的整数。