FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing α,ω-bis-[2-(N,N-dimethylamino)thien-5-yl]alkanes, which involves reaction of α,ω-bis-[2-(N,N-dimethylaminomethyl)ethynyl]alkane, where (alkane = propyl, butyl, hexyl), with excess elementary sulphur (S8) in the presence of a three-component catalyst consisting of cobalt acetylacetonate Co(acac)2, triphenylphosphine Ph3P and triethylaluminium Et3Al, taken in molar ratio α,ω-bis-[2-(N,N-dimethylaminomethyl)ethynyl]alkane:S8:Co(acac)2:Ph3P:Et3Al=10:(40-60):(0.3-0.7):(0.6-1.4):(0.9-2.1), preferably 10:50:0.5:1.0:1.5, at temperature 125-135°C and atmospheric pressure for 5-7 hours.
EFFECT: obtaining novel compounds which can be used as biologically active compounds, additives to oil and process lubricants and in fine organic synthesis.
1 cl, 1 tbl, 1 ex
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