Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-11-01
2009-10-06
Saeed, Kamal A (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S218000
Reexamination Certificate
active
07598282
ABSTRACT:
Novel stereoisomers of GS-164 are provided. The compounds, such as (3R,5S,7as)-(3,5-bis(4-fluorophenyl)tetrahydro-1H-oxazolo[3,4-c]oxazol-7a-yl)methanol (TH-237A) and (3R,5S,7as)-(3,5-bis(4-fluorophenyl)tetrahydro-1H-oxazolo[3,4-c]oxazol-7a-yl)methanol (TH-242A) exhibit neuroprotective effects via a mechanism that does not involve microtubule stabilization.
REFERENCES:
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patent: 08-325147 (1996-12-01), None
Darabantu et al., 3,7-Dioxa-1-azabicyclo[3.3.0]octanes Substituted at the C-5 Position—From Local to Global Stereochemistry, 2004, Eur. J. Org. Chem., p. 2645.
Shintani et al.,GS-164, a small synthetic compound, stimulates tubulin polymerization by a similar mechanism to that of Taxol,Cancer Chemother Pharmacol 40, 513-520 (1997).
Michaelis et al.,Amyloid Peptide Toxicity and Microtubule-Stabilizing Drugs,Journal of Molecular Neuroscience 19, 101-105 (2002).
Audus Kenneth L.
Georg Ingrid Gunda
Himes Richard H.
Michaelis Mary Louise
Bianchi Kristin
Saeed Kamal A
Stinton Morrison Hecker LLP
University of Kansas
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