| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: described are compounds of formula ; or their pharmaceutically acceptable salts, where A is phenyl, X is CH2- or C=O; Y is O; k equals 1; m equals 0; R2 and R3 each independently represents hydrogen or alkyl, R4 is a group of formula or . Disclosed compounds have selective affinity to 5-HT6 and 5-HT2A receptors. Also described is a pharmaceutical composition containing said compounds and use of the said compounds in making a medicinal agent for treating diseased conditions of the central nervous system. ^ EFFECT: more effective treatment. ^ 49 cl, 1 tbl, 16 ex |
