Caspase inhibitors and uses thereof

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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C546S141000

Reexamination Certificate

active

07612091

ABSTRACT:
The present invention provides a compound of formula I:wherein:X is —OR1or —N(R5)2,Y is halo, trifluorophenoxy, or tetrafluorophenoxy;R1is:C1-6straight chained or branched alkyl, alkenyl, or alkynyl, wherein the alkyl, alkenyl, or alkynyl is optionally substituted with optionally substituted aryl, CF3, Cl, F, OMe, OEt, OCF3, CN, or NMe2;C1-6cycloalkyl, wherein 1-2 carbon atoms in the cycloalkyl is optionally replaced with —O— or —NR5—;R2is C1-6straight chained or branched alkyl;R3is hydrogen, halo, OCF3, CN, or CF3;R4is hydrogen, halo, OCF3, CN, or CF3; andeach R5is independently H, C1-6straight chained or branched alkyl, aryl, —O—C1-6straight chained or branched alkyl, or —O-aryl.The present invention also provides pharmaceutical compositions and methods using such compositions for treating a caspase-mediated disease, particularly in the central nervous system.

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Gabriele

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