JPS633861B

Coumarin derivatives of the general formula: wherein R is hydrogen atom, an alkyl group or an alkenyl group, R1 is hydrogen atom, an alkyl group, an alkenyl group or an alkoxy group, and the OR and R1 groups each are substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the sal...

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Bibliographische Detailangaben
Hauptverfasser:	KURYAMA KYOSHI, SUZUKI JUJI, ICHIKAWA KYONOSHIN, ISHIZUKI KATSURO, ITO KYOSHI, NAKANO JUN
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:	Coumarin derivatives of the general formula: wherein R is hydrogen atom, an alkyl group or an alkenyl group, R1 is hydrogen atom, an alkyl group, an alkenyl group or an alkoxy group, and the OR and R1 groups each are substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the salt thereof. The compounds are useful as antiallergic agent for preventing and treating allergic diseases.