Synthesis and Reactivity of a Phosphine-Stabilized Monogermanium Analogue of Alkynes
datasetposted on 12.10.2011 by Juliette Berthe, Juan Manuel Garcia, Edgar Ocando, Tsuyoshi Kato, Nathalie Saffon-Merceron, Abel De Cózar, Fernando P. Cossío, Antoine Baceiredo
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The synthesis of the first isolable C-phosphino-Ge-aminogermyne, stabilized by a phosphine ligand, has been achieved. X-ray diffraction analysis indicates a quite long Ge–C bond whose length is between that of a single and a double bond but consistent with the theoretically predicted values for a germyne bearing π-donating substituents. The isomerization of this germyne derivative affords a new stable N-heterocyclic germylene through migration of the original phosphine ligand from germanium to the carbon center.