Clausenamide c5-hydroxyl derivatives and n-substituted derivatives, processes for their preparation, its composition and use
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United States of America Patent
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Issued Date -
Jul 27, 2006
app pub date -
Dec 31, 2003
filing date -
Dec 31, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to stereo isomers of C.sub.5-hydroxyl substituents, N-substituted derivatives of hydroxybenzyl, hydroxyl, phenyl substituted .gamma.-lactams (clausenamide) and the preparation methods thereof, and pharmaceutical compositions containing the same and their uses for the preparation of medicaments as nootropic and anti-aging drugs.
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