Imidazole and benzimidazole 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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Details

C548S338100

Reexamination Certificate

active

10012722

ABSTRACT:
This invention provides caspase inhibitors having the formula:wherein R1is CO2H, CH2CO2H, or esters, amides or isosteres thereof; R2and R3are each independently selected from hydrogen or an optionally substituted C1–C6aliphatic group; and R4and R5are each independently selected from hydrogen, an optionally substituted C1–C6aliphatic group, or R4and R5taken together with the ring to which they are attached form an optionally substituted bicyclic ring. The caspase inhibitors are useful for treating a number of diseases such as cancer, acute inflammatory and autoimmune disorders, ischemic diseases and certain neurodegenerative disorders.

REFERENCES:
patent: 5714484 (1998-02-01), Zimmerman et al.
patent: 5716929 (1998-02-01), Bemis et al.
patent: 2004/0192743 (2004-09-01), Mjalli et al.
patent: 95/35308 (1995-12-01), None
patent: WO 98/11129 (1998-03-01), None

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