SIALIC ACID DERIVATIVES

SIALIC ACID DERIVATIVES

Sialic acid derivatives represented by the following general formula: wherein R represents a residue of a steroid compound excluding cholestane and cholestene residues, R represents hydrogen or methyl group, R represents a C1-C6 alkyl group and other, R represents hydrogen or acyl group, R represent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIKIHARA, TETSUO, YUGAMI, TOMOKO, ANDO, NAOKO, SAITO, KEN-ICHI, CHAKI, HARUYUKI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
DERIVATIVES THEREOF
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
PHYSICS
STEROIDS
SUGARS
TESTING
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Beschreibung
Zusammenfassung:Sialic acid derivatives represented by the following general formula: wherein R represents a residue of a steroid compound excluding cholestane and cholestene residues, R represents hydrogen or methyl group, R represents a C1-C6 alkyl group and other, R represents hydrogen or acyl group, R represents a group of R O- (R represents a C2-C7 acyl group and other), and X represents oxygen or sulfur atom, and their derivatives. These derivatives have activating effect on choline acetyltransferase activity in the chlonergic neurons, and are useful for preventive and therapeutic treatment of dementia, memory disorder, peripheral nervous disorder and so forth.