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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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	P Z
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	2008
http://linked.open...aciTvurceVysledku	Horáček, Michal Kubišta, Jiří Pinkas, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	443828
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/07:00094846
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	metallocenes; zirconocenes; bis(trimethylsilyl)acetylene; low-valent zirconium complexes (en)
http://linked.open.../riv/klicoveSlovo	metallocenes bis(trimethylsilyl)acetylene low-valent zirconium complexes zirconocenes
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	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	The structure and synthetic applications of transition metal complexes
http://linked.open...UplatneniVysledku	2007
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	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0010-0765
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands Preparation and crystal structures of low-valent zirconocene complexes containing tetramethyl(phenyl) cyclopentadienyl ligands

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