Synthesis and properties of triphenylantimony(V) dithiolate derivative
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Interaction of substituted benzene-1,2-dithiols I–III with triphenylantimony(V) dichloride was studied. As a result of the exchange reaction of 3,6-dichlorobenzene-1,2-dithiol with Ph3SbCl2 in the presence of triethylamine triphenylantimony(V) 3,6-dichlorobenzene-1,2-dithiolate IV was obtained. Electrochemical properties of the free dithiols and the complex were explored. According to the cyclic voltammetry, the oxidation of the complex is irreversible and corresponds to one electron transfer with follow-up chemical stage. The antioxidant activity of compounds I–IV was examined in the process of oleic acid autoxidation. A more effective inhibition of the oleic acid oxidation was found at adding dithiol and better protective effect was observed in the presence of Ph3SbCl2 compared with the complex IV.
KeywordsOleic Acid Antimony Dithiol Free Radical Oxidation Thiyl Radical
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