Synthesis and Reactivity of a Phosphine-Stabilized Monogermanium Analogue of Alkynes
Journal of the American Chemical Society2011Vol. 133(40), pp. 15930–15933
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J. Berthe, Juan M. Garcia-Garfido, Edgar Ocando‐Mavarez, Tsuyoshi Kato, Nathalie Saffon‐Merceron, Abel de Cózar, Fernando P. Cossío, Antoine Baceiredo
Abstract
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.
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