FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention relates to novel derivatives of 1,4-diazabicycloalkane of the formula (IV): 
or its pharmaceutically acceptable addition salt wherein Ar represents carbocyclic aromatic (aryl) group or heterocyclic aromatic (heteroaryl) group that represents 5-6-membered ring comprising one nitrogen, sulfur or oxygen atom as a heteroatom and wherein aromatic group can be substituted with one substitute chosen from group consisting of (C1-C6)-alkoxy, halogen atom, -CF3, phenyl and benzyl. Also, invention relates to a pharmaceutical composition possessing inhibitory effect on nicotine acetylcholine receptors and containing the effective amount of compound of the formula (IV) or its pharmaceutically acceptable addition salt in combination with at least one pharmaceutically acceptable carrier or diluting agent. Invention provides derivatives of 1,4-diazabicycloalkane possessing inhibitory activity with respect to nicotine acetylcholine receptors.
EFFECT: valuable medicinal and pharmacological properties of compounds.
10 cl, 3 ex
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