FIELD: chemistry.
SUBSTANCE: group of inventions relates to organic chemistry and includes dimeric quaternary pyridinium salts of general formula (I), their use and a method of producing. In formula (I), R is an alkyl group containing from 5 to 12 carbon atoms. Method of production is carried out by treating pentaerythritol with 5-chloromethylfurfural in an organic solvent medium; obtained compound 3,9-bis(5-(chloromethyl)furan-2-yl)-2,4,8,10-tetraoxaspiro[5.5]undecane is reacted with para-/meta-derivatives of alkylaminopyridine while boiling in the medium of a polar solvent.
EFFECT: dimeric quaternary pyridinium salts of formula (I), having biocidal action, used to produce antiseptic and disinfectants.
4 cl, 10 tbl, 13 ex
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