ORTHO-SUBSTITUTED BENZOYLGUANIDINES, METHOD FOR PREPARING, USING AS MEDICINAL OR DIAGNOSTIC AGENTS AND MEDICINAL PREPARATION BASED ON THEREOF ALSO Russian patent published in 2003 - IPC

FIELD: organic chemistry, chemical technology, medicine, pharmacy. SUBSTANCE: invention relates to compounds of the formula (I): wherein R(2) and R(3) mean independently each of other hydrogen, chlorine, bromine, iodine atom, (C₁-C₈)-alkyl, (C₃-C₈)-cycloalkyl or -OR(5), R(5)-(C₁-C₈)-alkyl being one of substituent R(2) and R(3) is hydrogen atom always and also to their pharmaceutically acceptable salts. Invention proposes also method for preparing the compound of the formula (I). Also, invention proposes medicinal preparation comprising as an active component the compound of he formula (I). Invention provides preparing ortho-substituted benzoylguanidines used as anti-arrhythmic drugs with cardioprotective component for prophylaxis and treatment of infarction and for treatment of stenocardia also. EFFECT: improved preparing method, valuable medicinal properties. 14 cl, 2 tbl