Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-07-01
2010-11-09
Balasubramanian, Venkataraman (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C544S234000
Reexamination Certificate
active
07829561
ABSTRACT:
This invention provides novel caspase inhibitors of formula I:wherein R1is hydrogen, CHN2, R, or —CH2Y; R is an aliphatic group, an aryl group, an aralkyl group, a heterocyclyl group, or a heterocyclylalkyl group; Y is an electronegative leaving group; R2is CO2H, CH2CO2H, or esters, amides or isosteres thereof; X2—X1is N(R3)—C(R3), C(R3)2—C(R3), C(R3)2—N, N═C, C(R3)═C, C(═O)—N, or C(═O)—C(R3); each R3is independently selected from hydrogen or C1-6aliphatic; Ring C is a fused aryl ring; n is 0, 1 or 2; and each methylene carbon in Ring A is optionally and independently substituted by ═O, or one or more halogen, C1-4alkyl, or C1-4alkoxy. The compounds are useful for treating caspase-mediated diseases.
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Brenchley Guy
Charrier Jean-Damien
Balasubramanian Venkataraman
Che Jennifer G.
Vertex Pharmaceuticals Incorporated
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