NOVEL BENZOXATHIIN DERIVATIVE

摘要

Disclosed is a compound represented by the formula (I) below and a pharmaceutically acceptable salt thereof. This compound is useful for treatment of obesity, diabetes and the like. [In the formula (I), Ar represents a benzene ring or the like; X<SUB>1</SUB> represents a nitrogen atom, a sulfur atom or the like; R<SUP>1</SUP> represents an aryl group or the like; X<SUB>2</SUB> represents a group represented by the following formula (II): (wherein R<SUP>4</SUP> and R<SUP>5</SUP> respectively represent a lower alkyl group or the like, and m represents a number of 2-4) or the like; one of X and Y represents an oxygen atom and the other represents a sulfanyl group or the like; and X<SUB>3</SUB>-X<SUB>6</SUB> respectively represent -CH-, a nitrogen atom or the like.]