2-AMINOQUINAZOLINE DERIVATIVES

2-AMINOQUINAZOLINE DERIVATIVES

The present invention provides 2-aminoquinazoline derivatives represented by formula (I): wherein R 1 and R 2 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, and the like; X represents a bond or CR 7a R 7b wherein R 7a and R 7b may be the s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IKEMURA, TOSHIHIDE, KASHIMA, HAJIME, MORI, KIYOTOSHI, KISHIKAWA, KUNIYUKI, IMASE, HIDETOMO, NAKASATO, YOSHISUKE, TOMURO, MISATO
Format: Patent
Sprache:eng ; fre ; ger
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:The present invention provides 2-aminoquinazoline derivatives represented by formula (I): wherein R 1 and R 2 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, and the like; X represents a bond or CR 7a R 7b wherein R 7a and R 7b may be the same or different and each represents a hydrogen atom, and the like; when X is a bond, R 3 represents substituted or unsubstituted aryl or a substituted or unsubstituted aromatic heterocyclic group; when X is CR 7a R 7b wherein R 7a and R 7b have the same meanings as defined above, respectively, R 3 represents substituted or unsubstituted lower alkoxy, substituted or unsubstituted aryl, and the like; R 4 represents a hydrogen atom, hydroxy, substituted or unsubstituted lower alkoxy, and the like; and R 5 represents a hydrogen atom, substituted or unsubstituted aryl, and the like, or a pharmaceutically acceptable salt thereof.