Acridone compounds

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 219/14 (2006.01) A61K 31/47 (2006.01) A61K 31/495 (2006.01) C07D 219/04 (2006.01) C07D 221/18 (2006.01) C07D 401/06 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07D 405/00 (2006.01) C07D 409/00 (2006.01) C07D 413/00 (2006.01) C07D 417/00 (2006.01) C07D 471/04 (2006.01) A61K 31/645 (1995.01)

Patent

CA 2233643

Novel acridone compounds represented by general formula (I) or pharmacologically acceptable salts thereof efficacious in the prevention and treatment of diseases in which chemical transmitters (histamine, leukotriene, etc.) participate, typified by asthma, allergic rhinitis, atopic dermatitis, urticaria, hay fever, digestive tract allergy, food allergy, etc., wherein R1, R2, R3, R4, R5 and R6 are the same or different and each represents hydrogen, hydroxy, halogeno, lower alkyl, cycloalkyl, lower alkoxy, etc.; Y represents - (CH2)t-(B)m-(CH2)-Z [wherein m is 0 or 1; t and n represent each an integer of from 0 to 6; B represents lower alkylene, optionally substituted arylene, etc.; and Z represents cyano, optionally protected carboxy, acyl or -NR7R8 (wherein R7 and R8 are the same or different and each represents hydrogen, lower alkyl, lower alkoxy, hydroxyalkyl, etc.)]; and D represents oxygen or sulfur.

Ces nouveaux composés à base d'acridone, représentés par la formule générale (I) ci-dessous, ou leurs sels pharmacologiquement acceptables, se révèlent efficaces pour prévenir et traiter des maladies où interviennent dews neuromédiateurs (histaimes, leucotriènes, etc.) et typiquement représentées par l'asthme, la rhinite allergique, la dermatite atopique, l'urticaire, le rhume des foins, les allergies du tube digestif, les allergies alimentaires, etc. où R?1¿, R?2¿, R?3¿, R?4¿, R?5¿ et R?6¿ sont identiques ou différents et représentent chacun hydrogène, hydroxy, halogéno, alkyle inférieur, cycloalkyle, alkoxy inférieur, etc.; Y représente -(CH¿2?)¿t?-(B)¿m?-(CH¿2?)¿n?-Z [où m vaut 0 ou 1; t et n représentent chacun un nombre entier de 0 à 6; B représente alkylène inférieur, arylène éventuellement substitué, etc.; et Z représente cyano, carboxy éventuellement protégé, acyle ou -NR?7¿R?8¿ (où R?7¿ et R?8¿, identiques ou différents, représentent chacun hydrogène, alkyle inférieur, alkoxy inférieur, hydroxyalkyle, etc.)]; et D représente oxygène ou soufre.

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