FIELD: organic chemistry, pharmacy.
SUBSTANCE: invention relates to N-[2-hydroxy-3-(1-pipeidinyl)-propoxy]pyridin-1-oxide-3-carboxamidine and its optically active enantiomers, i. e. (R)-(-)-N-[2-hydroxy-3-(1-piperidinyl)-propoxy]pyridin-1-oxide-3-carboxamidine and (S)-(+)-N-[2-hydroxy-3-(1-piperidinyl)-propoxy]pyridin-1-oxide-3-carboxamidine. Except for, invention relates to a method for preparing N-[2-hydroxy-3-(1-piperidinyl)propoxy]pyridin-1-oxide-3-carboximidoyl chloride that can be used as active component of medicinal preparations and for preparing optically active enantiomers of indicated compound with using compounds as intermediate substances.
EFFECT: improved conversion methods.
7 cl, 5 dwg, 7 ex
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