申请人:Nagai Keita
公开号:US08987473B2
公开(公告)日:2015-03-24
The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.
[in the formula,
R1 is -Q1-A1 and the like; is a double bond or a single bond; when is a double bond, W1 is a nitrogen atom or a group represented by the general formula: ═C(Ra)—, and W2 is a nitrogen atom or a group represented by the general formula: ═C(Rb)—; when is a single bond, W1 is a group represented by the general formula: —C(Raa)(Rab)— or a group represented by the general formula: —(C═O)—, and W2 is a group represented by the general formula: —C(Rba)(Rbb)—, a group represented by the general formula: —(C═O)— or a group represented by the general formula: —N(Rbc)—; W3, W4 and W5 are each independently a nitrogen atom or a methine group and the like that may have a substituent; X is a single bond, an oxygen atom and the like; Y is a single bond or (CRYiRYi′)n; and Z is a hydroxyl group or COOR2 and the like.
本发明涉及一种具有URAT1抑制作用的化合物,以及一种URAT1抑制剂、降低血尿酸水平的药剂和包括该化合物的制药组合物。更具体地说,本发明涉及下式(I)所表示的化合物。[在该式中,R1是-Q1-A1等;是双键或单键;当为双键时,W1是一个氮原子或由一般式表示的基团:═C(Ra)-,W2是一个氮原子或由一般式表示的基团:═C(Rb)-;当为单键时,W1是由一般式表示的基团:-C(Raa)(Rab)-或由一般式表示的基团:-(C═O)-,W2是由一般式表示的基团:-C(Rba)(Rbb)-,由一般式表示的基团:-(C═O)-或由一般式表示的基团:-N(Rbc)-;W3、W4和W5各自独立地是氮原子或可能具有取代基的甲烷基等;X是单键、氧原子等;Y是单键或(CRYiRYi')n;Z是羟基或COOR2等。]