Benzofurans as suppressors of neurodegeneration

Details Benzofurans as suppressors of neurodegeneration Benzofurans as suppressors of neurodegeneration

2006-03-07

2006-03-07

Tsang, Cecilia J. (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C514S469000, C514S345000, C514S348000, C514S349000, C514S350000, C514S351000, C514S352000, C514S357000, C514S356000, C514S354000, C546S196000, C549S469000

Reexamination Certificate

active

07008950

ABSTRACT:
A compound of the formula:wherein R1and R2each is H or a hydrocarbon group which may be substituted, or R1and R2form a 3- to 8-membered carbo or heterocyclic ring which may be substituted; R3is H, a lower alkyl which may be substituted or an aromatic group which may be substituted; R4is (1) an aromatic group which may be substituted, (2) an aliphatic hydrocarbon group substituted by an aromatic group which may be substituted, which hydrocarbon group may be further substituted or (3) an acyl; X and Y each is oxygen or sulfur which may be oxidized; and ring A is a benzene ring which may be further substituted, or a salt thereof, is useful for an agent for suppressing neurodegeneration.

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