Synthesis and reactivity of new pyrazolyl-functionalized potassium silanides

Brian McNerney, Bruce Whittlesey, Clemens Krempner

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15 Scopus citations


The pyrazolyl-functionalized oligosilanes Si(SiMe2Pz R)4 (2a R = tBu; 2b R = iPr) were prepared by the reaction of 3-R-pyrazole (R = iPr, tBu) with Si(SiMe2Cl)4 in the presence of NEt3. By treatment with tBuOK and 18-crown-6 in THF, 2a, b were converted into the new potassium silanides (PzRMe 2Si)3SiK(18-crown-6) (3a R = tBu; 3b R = iPr), respectively.

Original languageEnglish
Pages (from-to)1699-1702
Number of pages4
JournalEuropean Journal of Inorganic Chemistry
Issue number11
StatePublished - Apr 2011


  • Nitrogen heterocycles
  • Silanes
  • Silanide
  • Tungsten


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