摘要 |
FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to N-cyano-N'-pyridyl-guanidines of the formula (I) <EMI ID=0.318 HE=24 WI=84 TI=CHI> where R, R', R'' - are hydrogen or halogen atoms, C<SB>1-8</SB>-alkylene possibly substituted with hydroxyl; X - oxygen atom, -S(O)<SB>n</SB>-; n = 1 or 2, or NH, its tautomeric forms, or their N-oxides, or their pharmaceutically acceptable nontoxic salts that are antagonists of serotonine (5-HT) and some of their inhibit tumor cells proliferation. EFFECT: improved method of synthesis, valuable pharmacological and antitumor properties. 17 cl, 3 tbl, 22 ex
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