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Showing papers by "G. I. Nikishin published in 1997"


Journal ArticleDOI
TL;DR: The action of lithium butyl acetylenide in THF causes 4,4diethyl-1,2-dithiolane to undergo ring-opening to form 2,2diethylon-4-thia-5-decyne-1-thiol, which cyclizes to give 2,butyl-6,6-diethyllithyl-5,6 -dihydro-1.4 -dithiepin by either a homolytic or a nucleophilic mechanism as discussed by the authors.
Abstract: The action of lithium butyl acetylenide in THF causes 4,4-diethyl-1,2-dithiolane to undergo ring-opening to form 2,2-diethyl-4-thia-5-decyne-1-thiol, which cyclizes to give 2-butyl-6,6-diethyl-5,6-dihydro-1,4-dithiepin by either a homolytic or a nucleophilic mechanism.

8 citations


Journal ArticleDOI
TL;DR: In this paper, the electrooxidative cleavage of C 1 C 2 bonds in acenaphthylene (1), achenaphthene (6), 1-methoxy-(7), 1,1-dimethoxy- (8), and 1,2-dimethylacetal (2 ) resulting from anodic oxidation of these substrates in MeOH is described.

7 citations


Journal ArticleDOI
TL;DR: Direct anodic oxidation of trans-stilbene in lower alcohols and in some other solvents in the presence of KF or Bu4NBF4 is accompanied by its electrooxidatve rearrangement into diphenylacetaldehyde acetals; a competing reaction yields 1,2dialkoxy-1,2-diphenylethanes.
Abstract: Direct anodic oxidation oftrans-stilbene in lower alcohols and in some other solvents in the presence of KF or Bu4NBF4 is accompanied by its electrooxidatve rearrangement into diphenylacetaldehyde acetals; a competing reaction yields 1,2-dialkoxy-1,2-diphenylethanes.

3 citations




Journal ArticleDOI
TL;DR: In this article, a general approach to the construction of sulfur-containing heterocyclic compounds and crown thioethers based on one-pot "assembling" of their molecules from α,ω-dithiols and alkynes via homolytic cycloaddition has been developed.
Abstract: A novel general approach to the construction of sulfur-containing heterocyclic compounds and crown thioethers based on one-pot “assembling” of their molecules from α,ω-dithiols and alkynesvia homolytic cycloaddition has been developed.