Therapeutic agent for chronic obstructive pulmonary disease

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 277/42 (2006.01) A61K 31/5377 (2006.01) A61P 11/00 (2006.01)

Patent

CA 2603060

Disclosed is a method for the prevention and/or treatment of a chronic obstructive pulmonary disease by administrating a 5-membered cyclic compound represented by the formula below or a pharmaceutically acceptable salt of the compound or a prodrug of the compound or salt: wherein X represents an oxygen or sulfur atom; R1 represents a hydrogen atom, a substituted or unsubstituted alkyl or the like; R2 represents a hydrogen atom, a substituted or unsubstituted alkyl or the like; Y1 represents a single bond, a substituted or unsubstituted alkylene or the like; the wavy line means an (E) or (Z) coordination; R3 represents a hydrogen atom, a substituted or unsubstituted aryl or the like; Y2 represents a substituted or unsubstituted alkylene or an alkenylene; R4 represents a hydrogen atom, a substituted or unsubstituted alkanoyl or the like; and R5 represents a hydrogen atom or a substituted or unsubstituted alkyl.

L'invention concerne un procédé de prévention et/ou de traitement d'une maladie pulmonaire chronique obstructive. Le procédé consiste à administrer un composé cyclique à cinq chaînons représenté par la formule ci-dessous ou un sel pharmaceutiquement acceptable du composé ou un promédicament du composé ou sel; X représente un atome d'oxygène ou de soufre ; R1 représente un atome d'hydrogène, un alkyle substitué ou non substitué ou analogue ; R2 représente un atome d'hydrogène, un alkyle substitué ou non substitué ou analogue ; Y1 représente une liaison unique, un alkylène substitué ou non substitué ou analogue ; la ligne ondulée indique une coordination (E) ou (Z) ; R3 représente un atome d'hydrogène, un aryle substitué ou non substitué ou analogue ; Y2 représente un alkylène ou un alcénylène substitué ou non substitué ; R4 représente un atome d'hydrogène, un alkanoyl substitué ou non substitué ou similaire ; et R5 représente un atome d'hydrogène ou un alkyle substitué ou non substitué.

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