DIHYDROBENZOPYRAN DERIVATIVES

It has been found that the novel compounds of the formula wherein R is hydrogen or lower alkyl, R is hydrogen or halogen, R is hydrogen or lower alkyl, R is hydrogen or lower alkyl, R is hydrogen, lower alkyl or aralkyl, X is alkylene and n is an integer from 1 to 6, the enantiomers thereof and, whe...

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Bibliographische Detailangaben
Hauptverfasser:	GIUSEPPE F. WEBER, NOAL COHEN
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:	It has been found that the novel compounds of the formula wherein R is hydrogen or lower alkyl, R is hydrogen or halogen, R is hydrogen or lower alkyl, R is hydrogen or lower alkyl, R is hydrogen, lower alkyl or aralkyl, X is alkylene and n is an integer from 1 to 6, the enantiomers thereof and, when R is hydrogen, the salts thereof with pharmaceutically acceptable bases have antiallergic properties and can accordingly be used as medicaments for the treatment or prevention of allergic conditions. The compounds of formula I can be manufactured by reacting a compound of the formula with a compound of the formula and optionally hydrolyzing the compound thus obtained.