FIELD: organic synthesis.
SUBSTANCE: invention provides substituted 7-acylaminocephalosporins of formula I:
(I), where W denotes CH or B; V denotes NO; R1 hydrogen or С1-С4-alkyl; R3 hydrogen or ester residue; and R2 one of the following groups: 
, 
, 
, 
, in which X, R5, R6, R'6, R7, and Hal have meanings indicated in claims, in free state, in the form of salts and/or solvates, or, if such forms are stable, in the form of internal salt, quaternary salt, or their hydrates, possessing antimicrobial activity. Invention also discloses a method for preparing such compounds and a pharmaceutical connected containing them.
EFFECT: increased choice of antimicrobial preparations.
13 cl, 10 tbl, 225 ex
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