N-(INDOLCARBONYL)PIPERAZINE DERIVATIVES, METHODS FOR PRODUCTION THE SAME, PHARMACEUTICAL COMPOSITION, AND COMPOUNDS

FIELD: organic chemistry, pharmaceutical compositions. ^ SUBSTANCE: invention relates to N-(indolcarbonyl)piperazine derivatives of general formula I ^ , wherein R1 is optionally substituted phenyl or naphthyl; R2 and R3 are independently Hal or Het1, A, OA, CN; R4 is H, CN, acyl, Hal, CONH2, CONHA or CONA; R1 is H; or R4 and R5 together form C3-C5-group; Het1 is aromatic heterocyclic ring, optionally substituted with one or two halogen atoms and containing 1-3 similar or different heteroatoms such as nitrogen, sulfur and oxygen, A-(C1-C6)-alkyl; Hal is F, Cl,Br, and J; and indole ring may be substituted with isatin, except for (1H-indole-5-yl)-(4-phenethylpiperazine-1-yl)-methanone and 1-((5-methoxy-1H-indole-7-yl)-carbonyl)-4-(2-phenethyl)-piperazine. Claimed compounds are potent 5-HT2A antagonists and are useful in treatment of psychosis, schizophrenia, depression, neurological diseases, dismepodia, Parlinson's disease, Alzheimer's disease, Hungtington's disease, amyotrophic lateral sclerosis, bulimia or anorexia, premenstrual syndrome, and/or in alleviation of hypomania. ^ EFFECT: new pharmaceutical agents. ^ 9 cl, 10 ex, 1 tbl