Imidazoquinazoline derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 487/04 (2006.01) A61K 31/505 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) A61K 31/55 (2006.01) C07D 519/00 (2006.01)

Patent

CA 2189355

Imidazoquinazoline derivatives represented by general formula (I) or pharmacologically acceptable salts thereof, wherein R1 represents hydrogen, optionally substituted lower alkyl, etc.; R2 and R3 are the same or different and each represents hydrogen, optionally substituted lower alkyl, optionally substituted aralkyl, optionally substituted aryl, etc., or R2 and R3 together form an optionally substituted nitrogenous heterocycle; R4 represents hydrogen or optionally substituted lower alkyl; X represents O or S; Y represents a single bond or O; and n is 0, 1, 2 or 3.

L'invention concerne des dérivés d'imidazoquinazoline de formule générale (I) ou leurs sels pharmacologiquement acceptables. Dans la formule (I), R?1¿ représente hydrogène, alkyle inférieur éventuellement substitué, etc.; R?2¿ et R?3¿ sont identiques ou différents et représentent chacun hydrogène, alkyle inférieur éventuellement substitué, aralkyle éventuellement substitué, aryle éventuellement substitué, etc., ou R?2¿ et R?3¿ forment conjointement un hétérocycle azoté éventuellement substitué; R?4¿ représente hydrogène ou alkyle inférieur éventuellement substitué; X représente O ou S; Y représente une liaison simple ou O; et n est égal à 0, 1, 2, ou 3.

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