申请人:TAKEDA PHARMACEUTICAL
公开号:WO2012018909A1
公开(公告)日:2012-02-09
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疾病的药物。化合物的结构如下(1'):其中,环A'代表可选择取代的吡啶环、可选择取代的吡啉环、嘧啶环或吡嗪环,R1'代表(1)其中,R1a'代表可选择取代的苯基或可选择取代的5-至10-成员杂环基,环B2代表键、-S-、-O-、-CO-、可选择取代的亚甲基基团或-NRa'-(Ra'代表氢原子或可选择取代的C1-6烷基基团),环B1'代表可选择进一步取代的6-至10-成员芳香碳氢环、或可选择进一步取代的5-至10-成员芳香杂环环,或者,L'和R1a'可以结合形成可选择取代的双环或三环融合杂环基,或(2)其中,R1b'代表可选择取代的苯基或可选择取代的5-至10-成员杂环基,环B2'代表可选择取代的苯环、可选择取代的吡啶环、可选择取代的嘧啶环、可选择取代的吡嗪环或可选择取代的吡啉环,环D'代表可选择进一步取代的5-或6-成员环,R2'代表氢原子或取代基,X'代表=N-或=CRb'-(Rb'代表氢原子或取代基),_ _ _ _ _代表Rb'和R2'可能形成,与它们各自相邻的碳原子和氮原子一起,当X'为=CRb'-时,形成可选择取代的5-至7-成员环,或其盐。