Indolylpiperidine derivatives as antihistaminic and...

C - Chemistry – Metallurgy – 07 – D

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C07D 405/14 (2006.01) A61K 31/445 (2006.01) A61P 43/00 (2006.01) C07D 401/14 (2006.01) C07D 409/14 (2006.01) C07D 413/14 (2006.01)

Patent

CA 2427589

The invention relates to indolyl piperidinyl derivatives of formula (I) wherein: A1 represents an alkylene, alkyleneoxy, alkylenethio, alkanoylene or hydroxyalkylene group; A2 represents an alkylene, alkyleneoxy, alkylenethio, alkanoylene or an alkyleneoxyalkylene group; W1 represents a phenylene, furanylene or pyridinylene group which is unsubstituted or substituted by one or more halogen atoms, alkoxy groups and/or alkyl groups; W2 represents a 3-10 membered monocyclic or bicyclic group containing from 1 to 3 heteroatoms said group being unsubstituted or substituted by one or more halogen atoms, alkyl groups, alkoxy groups and/or oxo groups; R1 represents a hydrogen or halogen atom or an alkyl, alkoxy or methylamino group; and R2 represents a carboxyl group; and pharmaceutically acceptable salts thereof; to processes for their preparation; to pharmaceutical compositions containing them; and to their medical use as antihistaminic and antiallergic agents.

L'invention concerne des dérivés d'indolyl piperidinyl représentés par la formule générale (I), dans laquelle A?1¿ représente un groupe alkylène, alkylèneoxy, alkylènethio, alkanoylène ou hydroxyalkylène; A?2¿ représente un groupe alkylène, alkylèneoxy, alkylènethio, alkanoylène ou alkylèneoxyalkylène; W?1¿ représente un groupe phénylène, furanylène ou pyridinylène non substitué ou substitué par un ou plusieurs atomes halogènes, groupes alcoxy et/ou groupes alkyle; W?2¿ représente un groupe monocycle ou bicycle comportant 3 à 10 chaînon comprenant entre 1 et 3 hétéroatomes, ce groupe étant non substitué ou substitué par un ou plusieurs atomes halogènes, groupes alkyle, groupes alcoxy et/ou groupes oxo; R?1¿ représente un atome d'hydrogène ou halogène ou un groupe alkyle, alcoxy ou méthylamino; et R?2¿ représente un groupe carboxyle; et leurs sels pharmaceutiquement acceptables; leurs procédés de préparation; des compositions pharmaceutiques les renfermant; et leur usage médicale comme agents antihistaminiques et antiallergique.

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