SUBSTITUTED BENZIMIDAZOLE COMPOUNDS, METHODS OF SYNTHESIS AND PHARMACEUTICAL COMPOSITION SHOWING ANTIVIRAL EFFECT BASED ON THEREOF Russian patent published in 1999 - IPC

FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to derivatives of benzimidazole of the formulas (I) and (I') where R¹ - H, CH₂OH; R² and R³ - H or OH or in common they form a bond; R⁴ - H, Cl, Br, J, alkyl, cycloalkyl, NH₂, alkylamino-, dialkylamino-, cyclo-alkylamino-, alkoxy-group, C_6-10-aryl, C_6-10-arylhydroxy, alkylthio-group and SH; R⁵,R⁶,R⁷ - H, Cl at condition that at least one of R¹,R²,R³ means or has OH-group, or their pharmaceutically acceptable derivatives that show an antiviral effect. EFFECT: improved method of synthesis, antiviral properties of compounds. 7 cl, 73 ex