FIELD: chemistry.
SUBSTANCE: invention refers to organic chemistry and specifically to novel imidazopyridine derivatives of formula I or to its pharmaceutically acceptable acid addition salt or its racemic mixture, Ar is phenyl or pyridinyl; X1 is N or CH; X2 is N or CH provided that only one of X1 or X2 is N and the other is CH; R1 is hydrogen, halogen, lower alkoxy, lower alkyl substituted with halogen, cyano or S(O)2-lower alkyl; R2 is hydrogen, halogen, lower alkyl, lower alkoxy, lower alkyl substituted with halogen; and n is 1 or 2. Invention also relates to the pharmaceutical composition based on the compound of formula I and use thereof. 
(I).
EFFECT: new imidazopyridine derivatives stimulating neurogenesis have been obtained.
13 cl, 1 tbl, 24 ex
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