FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention represents new derivatives of 17,20-dihydrofusidic acid of the formula (Ia)
wherein Q1 and Q2 are similar or different and mean -CO-, -CHOH-, -CHRO- wherein R means (C1-C4)-alkyl; Q3 means -CH2-; Y means hydrogen atom (H); A means -O- or -S-; R1 means (C1-C4)-alkyl, (C2-C4)-olefin, (C1-C6)-acyl, (C3-C7)-cycloalkylcarbonyl, benzoyl. These derivatives are used in pharmaceutical compositions for treatment of infectious diseases, in particular, in composition for topical applying for treatment of infectious diseases of skin and eyes.
EFFECT: valuable medicinal properties of compounds.
22 cl, 7 tbl, 41 ex
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