In Erweiterung früherer Arbeiten über spasmolytisch wirksame Substanzen wurden einige cycloaliphatisch substituierte Essigsäuren mit Doppelbindung in verschiedenen Stellungen sowie ihre basischen Ester beschrieben.
Esters of N-alkyl-nortropines and their quaternary derivatives having anti-bronchospastic activity, process for their preparation and pharmaceutical compositions containing them
申请人:Laboratori Guidotti S.p.A.
公开号:EP0234400A1
公开(公告)日:1987-09-02
The esters of N-alkyl-nortropines with phenyl-cyclohexen-carboxylic and phenyl-cyclohexen-acetic acids and their quaternary ammonium derivatives with alkyl halides and alkyl sulphates having general formula:
wherein when
and when
whereas R'= -, -H, -CH3, -CH2-CH3, -CH2-CH2-CH3, -CH(CH3)2, -CH2-CH2-CH2-CH3, -CH2-CH-(CH3)2 X- = Cl, Br, J, CH3S04 show anti-bronchospastic activity.
The invention relates also to the processes for their preparation and to the pharmaceutical compositions containing them.