Abstract
Condensation of (aminomethyl)triethoxysilane with thiocarbamide in the presence of catalytic amounts of ammonium sulfate was used to synthesize N,N-bis(triethoxysilylmethyl)thiocarbamide. The latter was brought into oxidative hydrolytic polycondensation with H2O2 to obtain poly[N,N′-bis(silsesquioxanylmethyl)thiocarbamide S, S-dioxide] whose properties were compared with the properties of poly[N,N′-bis(silsesquioxanylpropyl)thiocarbamide S,S-dioxide]. Both polymers in highly acidic media rather strongly absorb Ag(I), while at pH 7 they reduce most absorbed Ag+ to the metal. Their reaction with potassium permanganate involves reduction of Mn7+ to Mn4+. The first polymer is a less effective sorbent and redox agent than the second.
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Translated from Zhurnal Obshchei Khimii, Vol. 75, No. 7, 2005, pp. 1154–1156.
Original Russian Text Copyright © 2005 by Voronkov, Vlasova, Grigor’eva, Pozhidaev, Bol’shakova.
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Voronkov, M.G., Vlasova, N.N., Grigor’eva, O.Y. et al. N,N′-Bis(triethoxysilylmethyl)thiocarbamide and Poly[N,N′-bis(silsesquioxanylmethyl)thiocarbamide S,S-dioxide]. Russ J Gen Chem 75, 1091–1093 (2005). https://doi.org/10.1007/s11176-005-0373-0
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DOI: https://doi.org/10.1007/s11176-005-0373-0