The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof. The compound or a salt thereof or a prodrug thereof has a GPR40 receptor function modulating action and is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.
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Page/Page column 119-120
(2008/06/13)
OXYGEN HETEROCYCLES BY SULPHUR YLIDE ANNULATION: 2,3-DIHYDRO-BENZOFURAN-3-ACETIC ACIDS FROM ortho-HYDROXYBENZALACETIC ACID METHYL ESTERS AND DIMETHYLSULPHOXONIUM METHYLIDE
Several 2,3-dihydro-benzofuran-3-acetic acids have been synthesized from ortho-hydroxybenzalacetic acid methyl esters and dimethylsulphoxonium methylide by an annulation reaction.