| abstract |
PROBLEM TO BE SOLVED: To provide a novel therapeutic agent for diabetes. SOLUTION: Equation 1 (In the formula, R 2 may be one or more, and independently represents a hydrogen atom, an optionally substituted lower alkyl, an optionally substituted aryl, or a halogen atom, and Ar 1 is substituted. Represents an optionally substituted aryl, or an optionally substituted heteroaryl, W 2 represents an optionally substituted lower alkylene, an optionally substituted lower alkenylene, Ar 2 represents an optionally substituted arylene, or Represents an optionally substituted heteroarylene, Ar 3 represents an optionally substituted arylene, or an optionally substituted heteroarylene, W 3 represents a single bond, an optionally substituted lower alkylene, an optionally substituted W 4 represents a single bond or an optionally substituted lower alkylene, and R 1 represents a hydrogen atom or an optionally substituted lower alkyl). New pyrrole derivatives represented. [Selection figure] None |