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- W2021319905 abstract "The interaction between thiazolidine-2-thione (T2T) as an electron donor and 2,3,5,6-tetrabromo-1,4-benzoquinone (p-bromanil, BRL) involves redox and substitution reactions after an initial formation of a CT complex. Unexpectedly, and interestingly too, neither the SH group of the thiol form nor the NH group of the thione form of the T2T has shared in the substitution reaction with BRL. ► Thiazoline-2-thiol/BRL system gives sequential and multiple interactions. ► A CT complexation has been initially occurred. ► Both the thione and thiol forms have been oxidized to the corresponding thiazoles. ► The product of the substitution reaction has two tautomeric forms too. Interaction between thiazolidine-2-thione (T2T) as an electron donor and 2,3,5,6-tetrabromo-1,4-benzoquinone (p-bromanil, BRL) as a π-electron acceptor has been studied by using several spectral techniques, viz. UV/visible, IR, 1 H NMR and Mass spectra. A substitution reaction has been occurred after an initial formation of a CT complex, meanwhile a redox reaction has been occurred, in situ, too in which the interacting donor (T2T) has been oxidized to the corresponding thiazole. Thus, the stoichiometric ratio of this interaction has been found to be 2:1, T2T:BRL. However, the most interesting finding is that unexpectedly neither the SH group of the thiol form nor the NH group of the thione form of the T2T has shared in the substitution reaction with BRL. This finding has been confirmed by the different applied spectral tools, whereas a plausible reaction pathway has been illustrated and discussed." @default.
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- W2021319905 date "2012-02-01" @default.
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- W2021319905 title "Interaction of thiazolidine-2-thione with 2,3,5,6-tetrabromo-1,4-benzoquinone: A set of sequential interactions involving redox and substitution reactions after an initial charge transfer complexation" @default.
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- W2021319905 doi "https://doi.org/10.1016/j.saa.2011.10.032" @default.
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