FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to novel compounds of formula I in free form or in form of pharmaceutically acceptable salt, which possess properties of adenosine receptor A2A agonists. In formula I 
, R1 represents (C1-C8)alkylcarbonyl, (C3-C8)cycloalkylcarbonyl, -SO2(C1-C8)alkyl, phenyl(C1-C4)alkylcarbonyl or -(C=O)-C(=O)-NH(C1-C8)alkyl, optionally substituted with R4; R2 represents H or (C1-C8)alkyl, optionally substituted with (C6-C10)aryl; R3 represents halogen or(C2-C8)alkinyl, or R3 stands for aminogroup, optionally substituted with (C3-C8)cycloalkyl, optionally substituted with amino, or R3 represents (C1-C8)alkylaminogroup, optionally substituted with hydroxy, phenyl or R5, or R3 stands for R6, optionally substituted with amino or -NH-C(=O)-NH-R7, or R3 stands for -NH-R6, optionally substituted with -NH-C(=O)-NH-R7, or R3 stands for (C1-C8)alkylaminocarbonyl, optionally substituted with. -NH-C(=O)-NH-R8; R4, R5 and R6 represent independently 5- or 6-member heterocyclic ring, which contains one-two N ring heteroatoms, optionally substituted with amino or (C1-C8)alkyl; and R7 and R8 represent independently 5- or 6-member heterocyclic ring, which contains one-two ring heteroatoms selected from N and S, and is optionally substitutedf with halogen, (C1-C8)alkylsulfonyl or 5- or 6-member aromatic heterocyclic ring, which contains one N ring heteroatom. Invention also relates to pharmaceutical composition and to application of said compounds for treatment of states, mediated by activation of adenosine receptor A2A.
EFFECT: obtaining composition, which possesses properties of adenosine receptor A2A agonists.
10 cl, 3 tbl, 80 ex
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