The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I:
wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
本发明提供了一种新的化合物类别,用于调节β-分泌酶酶(
BACE)活性。该化合物具有一般式I:其中变量A4、A5、A6、A8,以及式I中的每个Ra、Rb、R1、R2、R3和R7,在此独立地定义。该发明还提供了包含该化合物的药物组合物,并且该化合物和组合物的用途包括治疗与A-beta斑块形成和沉积相关的疾病和/或症状,这是由
BACE的
生物活性引起的。这种
BACE介导的疾病包括阿尔茨海默病、认知缺陷、认知障碍、精神分裂症和其他中枢神经系统疾病。该发明还提供了式II和式III的化合物,以及其子式实施例,
中间体和制备该发明化合物的方法。