Insulin resistance improving agent, hypoglycemic agent, immunoregulatory agent, aldose reductase inhibitor, 5-lipoxygenase inhibitor, peroxidated lipid production suppressor, ppar activator, leukotriene antagonist, hydroxydipocellular formation promoter or calcium antagonist, preventive agent and / or therapeutic, carboxylic acid derivatives, medication, pharmaceutical composition, and use of a compound

摘要

The alpha -substituted carboxylic acid derivatives having the general formula (I): CHEM Äwherein R1 is an alkyl group, etc., R2 is a hydrogen atom, etc., R3 is a hydrogen atom, etc., A is = CH-group, etc., B is an oxygen atom, etc., W1 is a C1-C8 alkylene group, W2 is a single bond or a C1-C8 alkylene group, X is a hydrogen atom, etc., Y is an oxygen atom, etc., and Z1 is an alkoxy group, etc.Ü, or pharmacologically acceptable salts thereof, pharmacologically acceptable esters thereof or pharmacologically acceptable amides thereof are useful as therapeutic agents and/or preventive agents for diabetes mellitus, glucose tolerance insufficiency, gestational diabetes mellitus, or the like.