The invention provides a chemical entity of Formula (I): (I), wherein R1, R2, R3, and R4, have any of the values described herein, and compositions comprising such chemical entities; methods of making them; and their use in a wide range of methods, including metabolic and reaction kinetic studies; detection and imaging techniques; radioactive treatments; modulating and treating disorders mediated by PDE2 activity; treating neurological disorders, CNS disorders, dementia, neurodegenerative diseases, and trauma- dependent losses of function; treating stroke, including cognitive and motor deficits during stroke rehabilitation; facilitating neuroprotection and neurorecovery; enhancing the efficiency of cognitive and motor training; and treating peripheral disorders, including hematological, cardiovascular, gastroenterological, and dermatological disorders.
该发明提供了
化学实体的
化学式(I): (I),其中R1、R2、R3和R4具有本文所述的任何值,以及包含这种
化学实体的组合物;制备它们的方法;以及它们在广泛的方法中的应用,包括代谢和反应动力学研究;检测和成像技术;放射性治疗;调节和治疗由PDE2活性介导的疾病;治疗神经系统疾病、中枢神经系统疾病、痴呆、神经退行性疾病和创伤相关的功能丧失;治疗中风,包括中风康复期间的认知和运动缺陷;促进神经保护和神经恢复;增强认知和运动训练的效率;以及治疗外周疾病,包括血液学、心血管学、胃肠学和皮肤病。