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Novel N-coordinated organotellurenium and organotelluronium cations and their utilization in catalytic activation of silanes.
Autoři: Doležal Lukáš | Hejda Martin | Dostál Libor | Hupf Emanuel | Beckmann Jens
Rok: 2025
Druh publikace: ostatní - přednáška nebo poster
Strana od-do: nestránkováno
Tituly:
Jazyk Název Abstrakt Klíčová slova
eng Novel N-coordinated organotellurenium and organotelluronium cations and their utilization in catalytic activation of silanes. Despite the fact that there are already known some representatives of organotellurenium and organotelluronium cationic species,1-4 so far, their reactivity has not been studied in detail. During our look into the interesting reactivity of these ionic compounds we stumbled upon the ability to activate a B-H bond in carborane cluster.5 This was the impulse to extend the ranks of known cationic organometallic compounds with Te(II) and Te(IV) as a central atom with various chelating and pincer ligands to further study their reactivity including their impressive levels of Lewis acidity as judged not only by highly deshielded values of δ in 125Te NMR, but also by the Gutmann Beckett method.6 Results of these studies led us into utilizing organotellurenium cationic species not only in Si-H bond activation in silanes but also in catalytic redox cycles.