Thiazole derivative

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 417/04 (2006.01) A61K 31/427 (2006.01) A61K 31/438 (2006.01) A61K 31/4439 (2006.01) A61K 31/444 (2006.01) A61K 31/454 (2006.01) A61K 31/4725 (2006.01) A61K 31/496 (2006.01) A61K 31/497 (2006.01) A61K 31/4985 (2006.01) A61K 31/501 (2006.01) A61K 31/506 (2006.01) A61K 31/5383 (2006.01) A61K 31/541 (2006.01) A61K 31/542 (2006.01) A61K 31/551 (2006.01) A61K 31/553 (2006.01) A61K 31/695 (2006.01) A61P 3/10 (2006.01) A61P 9/10 (2006.01) A61P 25/00 (2006.01) A61P 25/14 (2006.01) A61P 25/16 (2006.01) A61P 25/2

Patent

CA 2551611

An adenosine A2A receptor antagonist which contains as an active ingredient either a thiazole derivative represented by the following general formula (I): (I) (wherein n is an integer of 0 to 3; R1 represents (un)substituted cycloalkyl, (un)substituted aryl, (un)substituted alicyclic heterocyclic group, or (un)substituted aromatic heterocyclic group; R2 represents halogeno, (un)substituted lower alkyl, (un)substituted aryl, (un)substituted alicyclic heterocyclic group, (un)substituted aromatic heterocyclic group, -COR8, etc.; and R3 and R4 are the same or different and each represents hydrogen, (un)substituted lower alkyl, (un)substituted aralkyl, -COR12, etc.) or a pharmacologically acceptable salt of the derivative.

La présente invention a trait à un antagoniste de récepteur A¿2A? de l'adénosine contenant comme principe actif soit un dérivé de thiazole de formule (I), dans laquelle n est un nombre entier de 0 à 3 ; R?1¿ représente cycloalkyle substitué ou non, aryle substitué ou non, un groupe hétérocyclique alicyclique substitué ou non, ou un groupe hétérocyclique aromatique substitué ou non ; R?2¿ représente halogéno, alkyle inférieur substitué ou non, aryle substitué ou non, un groupe hétérocyclique alicyclique substitué ou non, un groupe hétérocyclique aromatique substitué ou non, -COR?8 ¿; et R?3¿ et R?4¿, identiques ou différents, représentent chacun hydrogène,, alkyle inférieur substitué ou non, aralkyle substitué ou non, -COR?2 ¿; ou un sel pharmaceutiquement acceptable du dérivé.

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