FIELD: chemistry.
SUBSTANCE: invention relates to organic chemistry, specifically to 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]]amino-1-naphthol of formula (I), where (*) denotes a chiral centre, and a compound of formula (I) is an R- or S-configuration, or racemic mixture. Invention also relates to a method of producing a compound of formula (I), use thereof and a method of determining impurities in rotigotine, based on use of compound of formula (I) as a reference compound.
EFFECT: technical result is obtaining a novel heterocyclic compound possessing useful properties.
7 cl, 3 dwg, 2 tbl, 6 ex
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