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Zeitschriftenartikel:

R. Fischer, J. Baumgartner, G. Kickelbick, C. Marschner:
"The First Stable β-Fluorosilylanion";
Journal of the American Chemical Society, 125 (2003), S. 3414 - 3415.



Kurzfassung englisch:
The reaction of 2 equiv of tris(trimethylsilyl)silylfluoride with potassium tert-butoxide in the presence of donor molecules (THF, DME, 18-crown-6) leads to the clean formation of an adduct of 1-potassio-2-fluorotetrakis(trimethylsilyl)disilane. Attempts to transmetalate this compound effect the elimination of metal fluoride accompanied by the formation of tetrakis(trimethylsilyl)disilene. The latter can either be trapped in a cycloaddition reaction or in the absence of trapping reagents dimerizes to octakis(trimethylsilyl)cyclotetrasilane.


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