The object of the present invention is to provide a new thiazolidinedione derivative exhibiting excellent hypoglycemic and hypolipidemic action. Thiazolidinedione derivative represented by the general formula: ##STR1## wherein n represents an integer from 1 to 3; A represents an aromatic 5-membered heterocyclic ring residue which has at least one nitrogen atom as a ring component atom, which is bound via a carbon atom adjacent to the nitrogen atom and which may be substituted; .cndot..cndot..cndot..cndot..cndot..cndot..cndot..cndot. is a single bond or a double bond, or pharmacologically acceptable salt thereof, is novel, and shows excellent hypoglycemic and hypolipidemic action.
本发明的目的是提供一种展现出优异降糖和降脂作用的新
噻唑烷二酮衍
生物。通式表示的
噻唑烷二酮衍
生物如下:其中n代表1至3的整数;A代表至少有一个氮原子作为环组分原子的芳香5-成员杂环环残基,通过邻近氮原子的碳原子结合,且可能被取代;...是单键或双键,或其药理学可接受的盐,是新颖的,并展现出优异的降糖和降脂作用。