| 摘要 |
The present invention relates to: a compound having a URAT1 inhibitory activity; and an URAT1 inhibitor, a blood uric acid level reducing agent and a pharmaceutical composition, each of which comprises the compound. More specifically, the present invention relates to a compound represented by formula (I). [In the formula, R1 represents -Q1-A1 or the like; AA represents a double bond or a single bond; W1 represents a nitrogen atom or a group represented by general formula: =C(Ra)- and W2 represents a nitrogen atom or a group represented by general formula: =C(Rb)- when AA represents a double bond; W1 represents a group represented by general formula: -C(Raa)(Rab)- or a group represented by general formula: -(C=O)- and W2 represents a group represented by general formula: -C(Rba)(Rbb)-, a group represented by general formula: -(C=O)- or a group represented by general formula: -N(Rbc)- when AA represents a single bond; W3, W4 and W5 independently represent a nitrogen atom, a methine group which may have a substituentor the like; X represents a single bond, an oxygen atom or the like; Y represents a single bond or (CRYiRYi')n; and Z represents a hydroxy group, COOR2 or the like.] |
