FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention relates to new derivatives of indolylpiperidine of the formula (I): 
wherein A1 means (C1-C7)-alkylene, (C1-C7)-alkyleneoxy-, (C1-C7)-alkylenethio-, (C1-C7)-alkanoyl, hydroxy-(C1-C7)-alkylene; A2 means a single bond, (C1-C7)-alkylene, (C2-C5)-alkenylene; W means a single bond, phenylene, furanylene that is unsubstituted or substituted with one or more halogen atoms, (C1-C7)-alkoxy- and/or alkyl groups; R1 means hydrogen atom (H), (C1-C7)-alkyl, (C2-C7)-alkenyl, (C2-C7)-alkynyl, (C2-C5)-alkoxyalkyl, (C3-C7)-alkenyloxyalkyl, (C3-C7)-alkynyloxyalkyl, (C3-C7)-alkoxyalkoxyalkyl, phenyl-(C1-C7)-alkyl wherein phenyl is unsubstituted or substituted with one or more halogen atoms, (C1-C7)-alkyl, (C1-C7)-alkoxy- or arylalkoxy- (preferably with phenylalkoxy-) groups, or means (C3-C10)-cycloalkyl-(C1-C7)-alkyl wherein cycloalkyl is unsubstituted or substituted with one or more halogen atoms, (C1-C7)-alkyl, (C1-C7)-alkoxy-groups; R2 means hydrogen atom (H), halogen atom, (C1-C7)-alkyl, (C1-C7)-alkoxy-; R3 means carboxyl, tetrazolyl, and to their pharmaceutically acceptable salts. Compounds of the formula (I) elicit antihistaminic and anti-allergic activity that allows their using in composition used for treatment of allergic diseases including bronchial asthma, rhinitis, conjunctivitis, dermatitis and nettle rash. Also, invention describes methods for preparing compounds of the formula (I).
EFFECT: valuable medicinal properties of compounds.
15 cl, 2 sch, 3 tbl, 162 ex
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