| abstract |
PROBLEM TO BE SOLVED: To have excellent insulin secretion promoting action and hypoglycemic action and to have low toxicity, so that it is useful as a medicine, especially a therapeutic agent for diabetes and diabetic complications, and a drug therefor. Of simple compounds. SOLUTION: General formula (I) [Wherein, one of R 1 and R 2 is a hydrogen atom or a substituent, the other is an optionally substituted cyclic group; W is a bond or a divalent aliphatic hydrocarbon group; -OR 3 (R 3 is a hydrogen atom, optionally substituted hydrocarbon group, an optionally substituted heterocyclic group or an optionally substituted acyl group) group represented by or esterified or amidated Represents a carboxyl group which may be substituted. Or a salt thereof or a prodrug thereof. |