About: Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands     Goto   Sponge   NotDistinct   Permalink

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Description
  • Zirconocene complex [ZrCl2(.eta.5-C5Me4Ph)2] (1) prepared by metathesis of the appropriate lithium cyclopentadienide and ZrCl4 was reduced with magnesium in tetrahydrofuran in the presence of excess bis(trimethylsilyl)acetylene, yielding the low-valent complex [Zr(.eta.5-C5Me4Ph)2(.eta.2-Me3SiC=CSiMe3)] (2). However, in addition to 2, the reduction afforded an unexpected Zr(II) complex [Zr(.eta.5-C5Me4Ph)2(s-trans-.eta.4-buta-1,3-diene)] (3). Compounds 1-3 were characterized by spectroscopic methods and by X-ray single-crystal diffraction.
  • Zirconocene complex [ZrCl2(.eta.5-C5Me4Ph)2] (1) prepared by metathesis of the appropriate lithium cyclopentadienide and ZrCl4 was reduced with magnesium in tetrahydrofuran in the presence of excess bis(trimethylsilyl)acetylene, yielding the low-valent complex [Zr(.eta.5-C5Me4Ph)2(.eta.2-Me3SiC=CSiMe3)] (2). However, in addition to 2, the reduction afforded an unexpected Zr(II) complex [Zr(.eta.5-C5Me4Ph)2(s-trans-.eta.4-buta-1,3-diene)] (3). Compounds 1-3 were characterized by spectroscopic methods and by X-ray single-crystal diffraction. (en)
  • Zirkonocenový komplex [ZrCl2(.eta.5-C5Me4Ph)2] (1) byl připraven reakcí lithné soli příslušného cyklopentadienylu s ZrCl4: Redukce komplexu 1 hořčíkem v tetrahydrofuranu v přítomnosti nadbytku bis(trimethylsilyl)acetylenu byl získán nízkovalentní komplex [Zr(.eta.5-C5Me4Ph)2(.eta.2-Me3SiC=CSiMe3)] (2) a dále neočekávaný Zr(II) komplex [Zr(.eta.5-C5Me4Ph)2(s-trans-.eta.4-buta-1,3-diene)] (3). Sloučeniny 1-3 byly charakterizovány spektroskopickými metodami a rentgenkrystalografickou analýzou. (cs)
Title
  • Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands
  • Příprava a krystalové struktury nízkovalentních zirkonocenových komplexů obsahujících tetramethylfenylcyklopentadienylový ligand (cs)
  • Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands (en)
skos:prefLabel
  • Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands
  • Příprava a krystalové struktury nízkovalentních zirkonocenových komplexů obsahujících tetramethylfenylcyklopentadienylový ligand (cs)
  • Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands (en)
skos:notation
  • RIV/61388955:_____/07:00094846!RIV08-MSM-61388955
http://linked.open.../vavai/riv/strany
  • 679;696
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LC06070), Z(AV0Z40400503), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika
  • 5-6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 443828
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/07:00094846
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • metallocenes; zirconocenes; bis(trimethylsilyl)acetylene; low-valent zirconium complexes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [57D059E854D7]
http://linked.open...i/riv/nazevZdroje
  • Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 72
http://linked.open...iv/tvurceVysledku
  • Císařová, I.
  • Pinkas, Jiří
  • Štěpnička, P.
  • Gyepes, R.
  • Horáček, Michal
  • Kubišta, Jiří
http://linked.open...n/vavai/riv/zamer
issn
  • 0010-0765
number of pages
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