CONDENSED INDOLE DERIVATIVE OR ITS PHARMACEUTICALLY ACCEPTABLE SALT, PHARMACEUTICAL COMPOSITION SHOWING ACTIVITY OF 5-$$$-RECEPTOR ANTAGONIST Russian patent published in 1998 - IPC

FIELD: heterocyclic compounds. SUBSTANCE: invention relates to heterocyclic compounds showing activity of 5-$$$-receptor antagonist. Product: condensed indole derivative of the formula (I): $$$ where X - O; A - $$$; $$$ - hydrogen; Y - NH; Z means group of the formula: $$$ where $$$ means hydrogen, $$$-alkyl, phenyl-$$$-alkyl or $$$ - $$$ where z = 2 or 3, and $$$ is taken from phenoxy and $$$ where $$$ and $$$ - hydrogen or $$$-alkyl, or its pharmaceutically acceptable salt and pharmaceutical composition showing activity of 5-$$$-receptor antagonist and containing compound of the formula (I) at effective amount. EFFECT: improved method of synthesis, enhanced effectiveness of composition. 4 cl, 2 tbl