FIELD: chemistry.
SUBSTANCE: invention relates to A-seco-triterpenoids of general formula (I) 
, where 
or 
, demonstrating inhibiting activity with respect to type I herpes simplex virus (HSV-1, strain 1C) and HIV-1. In addition, compounds (I) can be used as intermediates for other biologically active compounds.
EFFECT: increased efficiency of compound application.
2 cl, 1 tbl, 6 ex
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