Asymmetrically substituted xanthines its producting process and its application as pharmaceutical composition

Asymmetrically substituted xanthines its producting process and its application as pharmaceutical composition

Xanthine derivatives of formula I wherein R1 is hydrogen, alkyl or alkynyl, R2 is different and is alkyl, alkynyl, phenyl-alkylene, phenyl alkenylene, cycloalkyl, inter alia, R3 is cycloalkyl, phenyl, norbornane, inter alia and R4 is hydrogen, methyl, benzyl, inter alia.

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Bibliographische Detailangaben
Hauptverfasser: ULRIKE. KUEFNER-MUEHL, JOACHIM. MIERAU, HELMUT. ENSINGER
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:Xanthine derivatives of formula I wherein R1 is hydrogen, alkyl or alkynyl, R2 is different and is alkyl, alkynyl, phenyl-alkylene, phenyl alkenylene, cycloalkyl, inter alia, R3 is cycloalkyl, phenyl, norbornane, inter alia and R4 is hydrogen, methyl, benzyl, inter alia.