| abstract |
Abstract of the disclosure A thiazolidinedione derivative of the general formula: wherein X is an oxygen or sulfur atom, R1 and R2 each independently is hydrogen or a hydrocarbon residue which may optionally be substituted and R1 and R2 may jointly, together with the oxazole or thiazole ring, form a condensed ring and A is a lower alkylene group; or a salt thereof, are novel compounds, which exhibit in mammals blood sugar-and lipid-lowering activity, and are of value as a therapeutic agent for diabetes and/or therapeutic agent for hyperlipemia. |