申请人:Nippon Chemiphar Co., Ltd.
公开号:US10173990B2
公开(公告)日:2019-01-08
Provided are a compound represented by the following Formula (III), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt or solvate thereof used as a therapeutic agent for gout or hyperuricemia. (In the Formula (III), R1a, R2a, R6a, and R7a represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, or a cyano group, R3a and R8a form a benzene ring or a 5-membered heteroaryl ring containing 1 to 3 heteroatoms, as a ring constituent element, selected from nitrogen atoms, oxygen atoms, and sulfur atoms together with two carbon atoms to which R3a and R8a are bonded, R4a and R5a form a benzene ring together with two carbon atoms to which R4a and R5a are bonded or represent any of the groups represented by R1a described above, Wa represents CR10a or N, and where, R10a represents any of the groups represented by R1a, Xa represents an oxygen atom or a sulfur atom, Ya represents an alkylene chain having 1 to 8 carbon atoms, and where, the alkylene chain may be substituted with an alkyl group having 1 to 8 carbon atoms and the alkylene chain may be a linear or branched alkylene chain, the branched alkylene chain may have a 3- to 7-membered ring formed by side chains bonded to carbon atoms which are the same as or different from each other, together with the carbon atoms to which the side chains are bonded and may have a double bond in the middle thereof, and Za represents CO2H).
本发明提供了由下式(III)代表的化合物、该化合物的同分异构体或立体异构体或其药学上可接受的盐或溶液,用作痛风或高
尿酸血症的治疗剂。(在式(III)中,R1a、R2a、R6a 和 R7a 代表氢原子、具有 1 至 8 个碳原子的烷基、具有 1 至 8 个碳原子的烷氧基或
氰基,R3a 和 R8a 构成苯环或含有 1 至 3 个杂原子的 5 元杂芳基环,作为环组成元素、选自氮原子、氧原子和
硫原子,与 R3a 和 R8a 键合的两个碳原子一起,R4a 和 R5a 与 R4a 和 R5a 键合的两个碳原子一起形成苯环,或代表上述 R1a 所代表的任何基团,Wa 代表 CR10a 或 N,其中、R10a 代表 R1a 所代表的任何基团,Xa 代表氧原子或
硫原子,Ya 代表具有 1 至 8 个碳原子的亚烷基链,其中,亚烷基链可以被具有 1 至 8 个碳原子的烷基取代,亚烷基链可以是直链或支链亚烷基链、支链亚烷基链可具有一个 3 至 7 元环,该环由与彼此相同或不同的碳原子键合的侧链以及与侧链键合的碳原子形成,并可在其中间具有一个双键,Za 代表 CO2H)。