Pyrazolopyrrolidines as inhibitors of gamma secretase

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C514S360000, C514S408000, C514S422000, C548S122000, C548S400000, C548S416000, C548S418000, C548S518000

Reexamination Certificate

active

07977368

ABSTRACT:
The invention provides compounds of Formula Iwherein A, Y, R1, R1a, R2, and R2aare as described in the specification. Compounds of Formula I are useful in treating and/or preventing cognitive disorders, such as Alzheimer's disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of preparing compounds of Formula I, and methods of treating cognitive disorders, such as Alzheimer's disease.

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