A Neutral, Monomeric Germanium(I) Radical
Journal of the American Chemical Society2011Vol. 133(26), pp. 10074–10077
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W.D. Woodul, Emma Carter, Robert Müller, Emma Richards, Andreas Stasch, Martin Kaupp, Damien M. Murphy, Matthias Drieß, Cameron Jones
Abstract
Stoichiometric reduction of the bulky β-diketiminato germanium(II) chloride complex [((But)Nacnac)GeCl] ((But)Nacnac = [{N(Dip)C(Bu(t))}(2)CH](-), Dip = C(6)H(3)Pr(i)(2)-2,6) with either sodium naphthalenide or the magnesium(I) dimer [{((Mes)Nacnac)Mg}(2)] ((Mes)Nacnac = [(MesNCMe)(2)CH](-), Mes = mesityl) afforded the radical complex [((But)Nacnac)Ge:](•) in moderate yields. X-ray crystallographic, EPR/ENDOR spectroscopic, computational, and reactivity studies revealed this to be the first authenticated monomeric, neutral germanium(I) radical.
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