Derivatives of glycinergic R(+)-2-amino-3-hydroxypropanoic acid

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...

Reexamination Certificate

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C514S563000, C560S019000, C560S155000, C562S553000

Reexamination Certificate

active

07488755

ABSTRACT:
The use of R(+)-2-amino-3-hydroxypropanoic acid derivatives, nitrogen substituted by a (C1-C6)alkyl, (C3-C6)alkenyl, 3-oxo(C5-C6)alkyl, 3-oxo(C4-C6)alken-2-yl, phenyl(C1-C6)alkyl, phenyl(C2-C6)alkenyl, gem-diphenyl(C1-C6)alkyl, gem-diphenyl(C2-C6)alkenyl, (C1-C6)alcanoyl, optionally N-substituted alanyl, optionally N,N′-disubstituted lysinoyl, phenyl(C1-C6)alkylydene or gem-diphenyl(C1-C6)alkylidene group, and of the pharmaceutically acceptable salts thereof, for preparation of medicaments intended for the treatment of CNS diseases due to reduced glycinergic transmission, particularly for the treatment of autism, schizophrenia and Alzheimer's disease, is described.

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