Derivatives of triazoly-imidazopyridine and of the triazolypurines useful as ligands of the adenosine A2a receptor and their use as medicaments
申请人:Giorgio Tarzia
公开号:US20070249638A1
公开(公告)日:2007-10-25
Compounds of formula (I)
wherein: X is N;
R
1
is C
1
-C
6
linear or branched alkyl or C
1
-C
6
linear or branched alkenyl; R
2
is hydrogen, C
1
-C
6
linear or branched alkyl or C
1
-C
6
linear or branched alkenyl, C
6
-C
14
aryl or C
6
-C
14
aryl(C
1
-C
6
) linear or branched alkyl or C
6
-C
14
aryl(C
1
-C
6
) linear or branched alkenyl, with the aryl group optionally substituted by one or more substituents, either the same or different, selected from the group consisting of halogen, hydroxy, C
1
-C
6
alkoxy linear or branched or C
1
-C
6
alkenyloxy linear or branched, amino, optionally mono- or disubstituted with C
1
-C
6
linear or branched alkyl; R
3
is NH
2
, NHR
4
; R
4
is C
1
-C
6
alkyl or C
1
-C
6
hydroxyalkyl, C
1
-C
3
alkoxyalkyl, amino(C
1
-C
6
)alkyl, where the amino group is optionally substituted with one or two C
1
-C
3
linear or branched alkyl groups, or with one or two C
2
-C
3
alkenyl groups C
6
-C
14
aryl or C
6
-C
14
aryl(C
1
-C
6
)alkyl, with the aryl group optionally substituted by one or more substituents, either the same or different, selected from the group consisting by halogen, hydroxy, C
1
-C
6
alkoxy linear or branched or C
1
-C
6
alkenyloxy linear or branched, amino, mono- or di-substituted with C
1
-C
6
alkyl linear or branched or C
1
-C
6
alkenyl linear or branched; and their pharmaceutically acceptable salts. These compounds are antagonists of the adenosine A
2a
receptor and useful as medicaments, in particular for the treatment of Parkinson's disease.
化合物的式子为(I),其中:X为N;R1为C1-C6直链或支链烷基或C1-C6直链或支链烯基;R2为氢、C1-C6直链或支链烷基或C1-C6直链或支链烯基、C6-C14芳基或C6-C14芳基(C1-C6)直链或支链烷基或C6-C14芳基(C1-C6)直链或支链烯基,其中芳基可以选择由一个或多个取代基取代,这些取代基可以相同或不同,选自由卤素、羟基、C1-C6直链或支链烷氧基或C1-C6直链或支链烯氧基、氨基、可选择用C1-C6直链或支链烷基单取代或双取代;R3为NH2、NHR4;R4为C1-C6烷基或C1-C6羟基烷基、C1-C3烷氧基烷基、氨基(C1-C6)烷基,其中氨基可以选择用一个或两个C1-C3直链或支链烷基取代或用一个或两个C2-C3烯基取代,或C6-C14芳基或C6-C14芳基(C1-C6)烷基,其中芳基可以选择由一个或多个取代基取代,这些取代基可以相同或不同,选自卤素、羟基、C1-C6直链或支链烷氧基或C1-C6直链或支链烯氧基、氨基、可选择用C1-C6直链或支链烷基单取代或双取代或C1-C6直链或支链烯基单取代或双取代;以及它们的药学上可接受的盐。这些化合物是腺苷A2A受体拮抗剂,可用作药物,特别是用于帕金森病的治疗。