报道了一系列有效的和选择性的[1,2,4]三唑[1,5- a ]嘧啶PDE2a抑制剂。使用X射线晶体结构并仔细分析PDE2a酶的电子和结构要求,可以设计和改进该系列的结合性能。一种主要化合物,化合物27(DNS-8254)被确定为一种有效且高选择性的PDE2a酶抑制剂,具有良好的大鼠药代动力学特性。有趣的是,与PDE2a活性位点中存在的Tyr827的氧形成卤素键,促进了化合物27效力的提高。体内化合物27在新型物体识别的大鼠模型中显示出显着的记忆增强作用。综上所述,这些数据表明化合物27可能是探索选择性PDE2a抑制作用的药理学的有用工具。
[EN] SUBSTITUTED [1,2,4] TRIAZOLO [1,5-A] PYRIMIDIN-7-YL COMPOUNDS AS PDE2 INHIBITORS [FR] COMPOSÉS DE [1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-7-YLE SUBSTITUÉS UTILISABLES EN TANT QU'INHIBITEURS DE PDE2
[EN] CYANO-SUBSTITUTED HETEROCYCLES WITH ACTIVITY AS INHIBITORS OF USP30<br/>[FR] HÉTÉROCYCLES CYANO-SUBSTITUÉS PRÉSENTANT UNE ACTIVITÉ EN TANT QU'INHIBITEURS DE L'USP30
申请人:MISSION THERAPEUTICS LTD
公开号:WO2018065768A1
公开(公告)日:2018-04-12
The present invention relates to cyano-substituted-heterocycles of Formula (I) with activity as inhibitors of deubiquitilating enzymes, in particular, ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30), having utility in a variety of therapeutic areas including cancer and conditions involving mitochondrial dysfunction. (Formula (I))
The present invention provides a compound represented by the following formula (I) or its pharmaceutically acceptable salt:
[wherein, R
1
represents optionally substituted C
1-4
alkyl, n shows integer of 1 to 4, R
2
represents optionally substituted C
1-4
alkyl or hydrogen atom, R
3
represents optionally substituted C
1-4
alkyl, R
4a
, R
4b
, R
4c
, and R
4d
, similarly or differently, represent optionally substituted C
6-14
aryl, optionally substituted C
1-4
alkyl, or hydrogen atom and the like, A represents optionally substituted C
6-14
aryl or optionally substituted 5 to 11 membered heteroaryl].
[EN] DIACYLGLYCEROL ACYLTRANSFERASE 2 INHIBITORS<br/>[FR] INHIBITEURS DE DIACYLGLYCÉROL ACYLTRANSFÉRASE 2
申请人:PFIZER
公开号:WO2013150416A1
公开(公告)日:2013-10-10
Derivatives of purine, 3H-imidazo[4,5-b]pyrimidine and 1H- imidazo[4,5-d]pyrazine of Formula I that inhibit the activity of the diacylglycerol acyltransferase 2 (DGAT2) and their uses in the treatment of diseases linked thereto in animals are described herein.
Derivatives of purine, 3H-imidazo[4,5-b]pyrimidine and 1H-imidazo[4,5-d]pyrazine of Formula I that inhibit the activity of the diacylglycerol acyltransferase 2 (DGAT2) and their uses in the treatment of diseases linked thereto in animals are described herein.
Derivatives of purine, 3H-imidazo[4,5-b]pyrimidine and 1H-imidazo[4,5-d]pyrazine of Formula I that inhibit the activity of the diacylglycerol acyltransferase 2 (DGAT2) and their uses in the treatment of diseases linked thereto in animals are described herein.