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The reduction of the bulky amido-germanium (II) chloride complex, LGeCl (L = N (SiMe (3) ) (Ar*) ; Ar* = C (6) H (2) MeC (H) Ph (2) (2) -4, 2, 6), with the magnesium (I) dimer, ( (Mes) Nacnac) Mg (2) ( (Mes) Nacnac = (MesNCMe) (2) CH (-) ; Mes = mesityl), afforded LGeGeL, which represents the first example of a digermyne with a Ge-Ge single bond. Computational studies of the compound have highlighted significant electronic differences between it and multiply bonded digermynes. LGeGeL was shown to cleanly activate H (2) in solution or the solid state, at temperatures as low as -10 °C, to give the mixed valence compound, LGeGe (H) (2) L.
Li et al. (Tue,) studied this question.