Patent number: 8173810
Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein R1a, R1b, R1c, B, W, R3, R4 and R5 are defined herein. In another embodiment, the invention provides compounds of general Formula II wherein A1, A2, A3, A4, R1a, R1b, R1c, R2, R4, R5, W, X and Z are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease (AD), cognitive deficits and impairment, schizophrenia and other similar central nervous system conditions.
Type:
Grant
Filed:
May 23, 2008
Date of Patent:
May 8, 2012
Assignee:
Amgen Inc.
Inventors:
Wenge Zhong, Stephen Hitchcock, Vinod F. Patel, Michael Croghan, Thomas Dineen, Daniel Horne, Matthew Kaller, Charles Kreiman, Patricia Lopez, Holger Monenschein, Thomas Nguyen, Lewis Pennington, Qiufen Xue, Bryant Yang, Yuan Cheng