NEW CHROMENE DERIVATIVES, PROCESS FOR THEIR PREPARATION AND APPLICATION THEREOF

The present invention relates to compounds of the general formula: (I) in which: R1 is selected from hydrogen and alkoxy having 1-7 carbon atoms, R2 is hydrogen, n is selected from zero and 1, X and Y are hydrogen atoms, and Z is hydroxy, or Y and Z taken together represent an oxygen atom, or, when...

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Bibliographic Details
Main Authors H. PINHAS, S. BERANGER
Format Patent
LanguageEnglish
Published 24.12.1981
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to compounds of the general formula: (I) in which: R1 is selected from hydrogen and alkoxy having 1-7 carbon atoms, R2 is hydrogen, n is selected from zero and 1, X and Y are hydrogen atoms, and Z is hydroxy, or Y and Z taken together represent an oxygen atom, or, when n=1, X and Z may represent a single bond, A represents an amino radical, and their pharmaceutically acceptable acid addition salts. These compounds are useful in particular for the treatment of asthma.
Bibliography:Application Number: AU19780035899