申请人:Raker Joseph
公开号:US09029536B2
公开(公告)日:2015-05-12
The present invention provides a compound which has the effect of PDE 10A inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound represented by the formula (1′): wherein, Ring A′ represents an optionally substituted pyridine ring, an optionally substituted pyridazine ring, a pyrimidine ring, or 10 a pyrazine ring, R1′ represents (1) wherein, R1a′ represents an optionally substituted phenyl group, or an optionally substituted 5- to 10-membered heterocyclic group, Ring B2 represents a bond, —S—, -0-, —CO—, an optionally substituted methylene group, or —NRa′— (Ra′ represents a hydrogen atom, or an optionally substituted C1-6 alkyl group), and Ring B1′ represents an optionally further substituted 6- to 10-membered aromatic hydrocarbon ring, or an optionally further substituted 5- to 10-membered aromatic heterocyclic ring, or alternatively, L′ and R1a′ may be taken together to form an optionally substituted bicyclic or tricyclic fused heterocyclic group, or (2), wherein, R1b′ represents an optionally substituted phenyl group, or an optionally substituted 5- to 10-membered heterocyclic group, Ring B2′ represents an optionally substituted benzene ring, an optionally substituted pyridine ring, an optionally substituted pyrimidine ring, an optionally substituted pyrazine ring, or an optionally substituted pyridazine ring, Ring D′ represents an optionally further substituted 5- or 6-membered ring, R2′ represents a hydrogen atom, or a substituent, X′ represents ═N— or ═CRb′—(Rb′ represents a hydrogen atom, or a substituent), - - - - - represents that Rb′ and R2′ may form, taken together with the carbon atom and the nitrogen atom to which they are each adjacent, an optionally substituted 5- to 7-membered ring when.X′ is ═CRb′, or a salt thereof.
本发明提供了一种具有PDE 10A抑制作用的化合物,可用作预防或治疗精神分裂症等药物。化合物的结构式为(1'):其中,环A'表示可选取取代的
吡啶环、可选取取代的
吡嗪环、
嘧啶环或
吡嗪环,R1'表示(1),其中R1a'表示可选取取代的
苯基或可选取取代的5-至10-成员杂环基,环B2表示键、-S-、-O-、可选取取代的亚
甲基基或-NRa'-(Ra'表示
氢原子或可选取取代的C1-6烷基基),环B1'表示可选取进一步取代的6-至10-成员芳香
碳环或可选取进一步取代的5-至10-成员芳香杂环,或者,L'和R1a'可取代成为可选取代的双环或
三环融合杂环基,或(2),其中R1b'表示可选取取代的
苯基或可选取取代的5-至10-成员杂环基,环B2'表示可选取取代的
苯环、可选取取代的
吡啶环、可选取取代的
嘧啶环、可选取取代的
吡嗪环或可选取取代的
吡嗪嗪环,环D'表示可选进一步取代的5-或6-成员环,R2'表示
氢原子或取代基,X'表示═N-或═CRb'-(Rb'表示
氢原子或取代基),- - - - - 表示当X'为═CRb'时,Rb'和R2'可以与它们各自相邻的
碳原子和
氮原子一起形成可选取代的5-至7-成员环,或其盐。