FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to compounds of formula (I) and their pharmaceutically acceptable salts. The compounds of formula (I) possess GABA A α5 receptor affinity and selectivity. In formula 
A represents -CH2-O- or -CH=CH-; X represents S or CH; Y represents O, NR9 or CR9, provided X represents S, then Y represents CR9, and if X represents CH, then Y represents O or NR9; each of u and v represents a single bond or double bond provided both u and v are other than double bonds, and both are other than single bonds; R1, R2 represent C1-7-alkyl, phenyl, optionally substituted halogeno, or 6-merous heteroaryl containing one ring N heteroatom; one of R1 and R2 represents C1-7-alkyl; R3 represents -C(O)NR5R6. The invention also refers to pharmaceutical compositions containing an effective amount of the compound of the invention and using the compounds for producing medicinal products.
EFFECT: new compounds of formula (I) possessing GABA A α5 receptor affinity and selectivity are produced.
16 cl, 1 tbl, 11 ex
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