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  • Reakce Negishiho činidla (Cp2ZrBu2) s vnitřními polyfluorovanými alkyny 1 obsahujícími ethylenové nebo trimethylenové spojky poskytla odpovídající intermediární tetrakis(polyfluoralkylované) zirkonacyklopentadieny 2. Ty podléhají in situ rozkladu s vodou na tetrakis(polyfluoralkylované) butadieny. Zatímco zirkonacyklopentadieny 2 poskytly s elektronově chudými vnitřními alkyny (DMAD) vysoce fluorované ftaláty, odpovídající terminální alkyn vedl k polyfluorovaným cyklopentadienům 3 v nízkých až středních výtěžcích. (cs)
  • Reaction of Negishi reagent (Cp2ZrBu2) with internal polyfluorinated alkynes 1 containing ethylene1 or trimethylene spacers afforded the corresponding intermediary tetrakis(polyfluoroalkylated) zirconacyclopentadienes 2. These in situ underwent decomposition with water to tetrakis(polyfluoroalkylated) butadienes. Whereas zirconacyclopentadienes 2 formed with electronically poor internal alkyne (DMAD) highly fluorinated phthalates, the corresponding terminal alkyne yielded polyfluorinated cyclopentadienes 3 in poor to moderate yields.
  • Reaction of Negishi reagent (Cp2ZrBu2) with internal polyfluorinated alkynes 1 containing ethylene1 or trimethylene spacers afforded the corresponding intermediary tetrakis(polyfluoroalkylated) zirconacyclopentadienes 2. These in situ underwent decomposition with water to tetrakis(polyfluoroalkylated) butadienes. Whereas zirconacyclopentadienes 2 formed with electronically poor internal alkyne (DMAD) highly fluorinated phthalates, the corresponding terminal alkyne yielded polyfluorinated cyclopentadienes 3 in poor to moderate yields. (en)
Title
  • Preparation and Transformations of Tetrakis(polyfluoroalkylated) Zirconacyclopentadienes.
  • Preparation and Transformations of Tetrakis(polyfluoroalkylated) Zirconacyclopentadienes. (en)
  • Příprava a transformace tetrakis(polyfluoralkylovaných) zirkonacyklopentadienů (cs)
skos:prefLabel
  • Preparation and Transformations of Tetrakis(polyfluoroalkylated) Zirconacyclopentadienes.
  • Preparation and Transformations of Tetrakis(polyfluoroalkylated) Zirconacyclopentadienes. (en)
  • Příprava a transformace tetrakis(polyfluoralkylovaných) zirkonacyklopentadienů (cs)
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  • RIV/60461373:22310/05:00015126!RIV06-AV0-22310___
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  • Preparation and Transformations of Tetrakis(polyfluoroalkylated) Zirconacyclopentadienes. (en)
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  • Bříza, Tomáš
  • Kvíčala, Jaroslav
  • Havlík, Martin
  • Paleta, Oldřich
  • Kotora, M.
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