21-03-2013 дата публикации
Номер: US20130072483A1
Автор:
Cheng Yuan,
Croghan Michael,
DINEEN Thomas,
Hitchcock Stephen,
Horne Daniel,
Kaller Matthew,
KREIMAN Charles,
Lopez Patricia,
Monenschein Holger,
Nguyen Thomas,
Patel Vinod F.,
Pennington Lewis,
Xue Qiufen,
Yang Bryant,
ZHONG Wenge
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 3. The compound of claim 1 , or a pharmaceutically acceptable salt thereof claim 1 , wherein{'sup': 1a', '1b', '7, 'Rand Rtaken together with the carbon atom to which they are attached form a partially or fully saturated 4-, 5- or 6-membered ring of carbon atoms optionally including 1-2 heteroatoms selected from O, N, or S, the ring optionally substituted independently with 1-3 substituents of R; and'}{'sup': '1c', 'Ris H.'}4. The compound of claim 1 , or a pharmaceutically acceptable salt thereof claim 1 , wherein m is 1 and Ris a ring selected from phenyl claim 1 , pyridyl claim 1 , pyrimidyl claim 1 , pyridazinyl claim 1 , pyrazinyl claim 1 , triazinyl claim 1 , thiophenyl claim 1 , furyl claim 1 , pyrrolyl claim 1 , pyrazolyl claim 1 , imidazolyl claim 1 , triazolyl claim 1 , tetrazolyl claim 1 , thiazolyl claim 1 , oxazolyl claim 1 , isoxazolyl claim 1 , isothiazolyl claim 1 , thiadiazolyl claim 1 , oxadiazolyl claim 1 , pyrrolidinyl claim 1 , oxazolinyl claim 1 , isoxazolinyl claim 1 , thiazolinyl claim 1 , pyrazolinyl claim 1 , morpholinyl claim 1 , piperidinyl claim 1 , piperazinyl and pyranyl claim 1 , said ring optionally substituted with 1-5 substituents of R.6. The compound of claim 1 , or a pharmaceutically acceptable salt thereof claim 1 , wherein{'sup': '1', 'Ais CH;'}{'sup': 2', '6, 'Ais CR;'}{'sup': 3', '4', '6', '3', '4, 'each of Aand A, independently, is CH or CRor N, provided no more than one of Aand Ais N;'}{'sup': 1a', '7, 'sub': 1-6', '2-6', '2-6', '1-6', '1-3', '1-6', '1-3', '1-6', '2', '1-3', '1-6', '1-3', '1-3', '1-3', '2-4', '1-3', '2-4', '1-3', '2-4', '1-3', '2-4', '1-3, 'Ris C-alkyl, Calkenyl, C-alkynyl, Calkyl-O—C-alkyl-, C-alkyl-S—C-alkyl-, C-alkyl ...
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