申请人:KOWA COMPANY, LTD.
公开号:US09242978B2
公开(公告)日:2016-01-26
The present invention is to create a compound that selectively activates glucokinase in the liver, and in particular, to provide an agent for treating and preventing diabetes and impaired glucose tolerance, wherein the agent has a low hypoglycemia risk. A compound represented by the formula (1) as shown below, or a salt thereof, or a solvate of the compound or the salt:
wherein, in the following formula (1), ring A represents a thiazolyl group, a pyridyl group, a pyrazyl group, or a pyrazolyl group; L represents —(CO)—, —(CS)—, or —SO2—; and R1 represents a C1-6 alkyl group, a hydroxy C1-6 alkyl group, a C1-6 alkoxy group, an amino group, a C1-6 alkylamino group, a hydroxyamino group, an N—C1-6 alkylcarbamoyl group, or a group represented by the formula (2) as shown below, wherein R3 represents a C1-6 alkyl group; and R2 represents a hydrogen atom, a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group, or a carboxyl group. The formulas are shown below:
本发明旨在创造一种选择性激活肝脏中葡萄糖激酶的化合物,特别是提供一种治疗和预防糖尿病和糖耐量受损的药物,其中药物具有低低血糖风险。化合物表示为以下式子(1),其盐或化合物或盐的溶剂:其中,在以下式子(1)中,环A表示噻唑基,吡啶基,吡唑基或吡唑啉基;L表示—(CO)—,—(CS)—或—SO2—;R1表示C1-6烷基,羟基C1-6烷基,C1-6烷氧基,氨基,C1-6烷基氨基,羟基氨基,N-C1-6烷基氨基甲酰基或由以下式子(2)表示的基团,其中R3表示C1-6烷基;R2表示氢原子,卤素原子,C1-6烷基,C1-6烷氧基或羧基。式子如下: