Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-10-21
2011-10-25
Dentz, Bernard (Department: 1622)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S457000
Reexamination Certificate
active
08044094
ABSTRACT:
The present invention refers to coumarin ethers of the formula (I), wherein R1is H, OH or (E)-3-methyl-but-2-enyl, R2is selected from the group consisting of methyl, 3-(4,5-dihydro-5,5-dimethyl-4-furanon-2-yl)-2-(E/Z)-butenyl, (E/Z)-3,7-dimethylocta-2,6-dienyl, 7-hydroxy-3,7-dimethyl-2-octen-6-on-yl and (E/Z,E/Z)-11-acetyl-oxy-3,7,11,11-tetramethyl-undeca-2,7-dien-10-on-yl, R3is H, R1and R2O together for the group —O—C(C(═CH2)CH3)H—CH2—O— or the group —C(H)═C(H)—C(CH3)2—O— or R2O and R3together form the group —O—C(H)(C(CH3)2(H)—O—C(O)CH3)—CH2—, preferably to obliquin, for use as medicaments, especially for the treatment and/or prevention of disorders connected to impaired neurotransmission, as well as to dietary and pharmaceutical compositions and plant extracts containing such coumarin ethers and their uses.
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De Saizieu Antoine
Fowler Ann
Goralczyk Regina
Mussler Bernd
Schueler Goede
Dentz Bernard
DSM IP Assets B.V.
Nixon & Vanderhye P.C.
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