Synthesis of new dithiocarbamate-based organosilanes for grafting on silica

Abstract : A new and mild method was developed for the chemoselective conversion of mono-, bis- and tris-aminosiloxanes into their corresponding mono-, bis- and tris-dithiocarbamates, using alkaline hydrides and carbon disulfide in THF. Enhanced scavenging capacity towards mercury ions was observed when these compounds were grafted on silica compared to amine-functionalized silicas or to commercial resins bearing dithiocarbamate moieties.
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Stéphanie Goubert-Renaudin, Raphaël Schneider, Alain Walcarius. Synthesis of new dithiocarbamate-based organosilanes for grafting on silica. Tetrahedron Letters, Elsevier, 2007, 48 (12), pp.2113 - 2116. ⟨10.1016/j.tetlet.2007.01.119⟩. ⟨hal-01849321⟩

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