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Germane vs. digermane formation.

P Steiniger1, G Bendt, D Bläser

  • 1University of Duisburg-Essen, Universitätsstr. 5-7, S07 S03 C30, 45117 Essen, Germany. stephan.schulz@uni-due.de.

Chemical Communications (Cambridge, England)
|October 31, 2014
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Summary
This summary is machine-generated.

This study explores oxidative addition reactions involving dialkylchalcogenanes and a germylene complex. New bis(alkylchalcogeno)germanes and digermanes were synthesized and characterized.

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Area of Science:

  • Organometallic Chemistry
  • Main Group Chemistry
  • Inorganic Synthesis

Background:

  • Dialkylchalcogenanes are key reagents in sulfur, selenium, and tellurium chemistry.
  • Germylene complexes offer unique reactivity for forming new element-element bonds.

Purpose of the Study:

  • To investigate the oxidative addition reactions of dialkylchalcogenanes with a specific germylene complex.
  • To synthesize and characterize novel bis(alkylchalcogeno)germanes and digermanes.

Main Methods:

  • Reactions involving dialkylchalcogenanes (R2E2) and the germylene complex [Me2Si(Nt-Bu)2]Ge (1).
  • Characterization of products using single crystal X-ray diffraction.

Main Results:

  • Synthesis of bis(alkylchalcogeno)germanes Me2Si(Nt-Bu)2Ge(ER)2 (E=S, Se) and digermanes [Me2Si(Nt-Bu)2Ge(EEt)]2 (E=S, Se).
  • Formation of Me2Si(Nt-Bu)2Ge(TeEt)2 and its subsequent conversion to the Te-bridged complex [Me2Si(Nt-Bu)2GeTe]2.

Conclusions:

  • The germylene complex undergoes oxidative addition with dialkylchalcogenanes to form diverse germanium-chalcogen compounds.
  • Structural characterization confirms the formation of new Ge-S, Ge-Se, and Ge-Te bonds.