| Attributes | Values |
|---|
| rdf:type
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| Description
| - TiCl2(.eta.5-C5Me4t-Bu)2] (1) was prepared by the reaction of [TiCl3(thf)3] with 2 equivalents of Li(.eta.5-C5Me4t-Bu) (made by adding BuLi to a 1.33 molar excess of a mixture of tert-butyltetramethylcyclopentadiene isomers in THF and subsequent oxidation of the Ti(III) intermediate to 1 by adding aqueous HCl. Neglecting the presence of cyclopentadiene isomers not forming the cyclopentadienide anion in the isomer mixture used for the synthesis of 1 resulted in the formation of hydrolytic product [{TiCl2(.eta.5-C5Me4t-Bu)}2(.mu.-O)] (2) and a considerable decrease of yield of 1. The half-sandwich complex [TiCl3(.eta.5-C5Me4t-Bu)] (3) was obtained by synproportionation of 1 and TiCl4. Crystal structures of 1, 2, and 3 were determined. The electronic absorption spectra of 1 and 3 indicate a stronger electron-donor effect of tert-butyl group compared with methyl group.
- TiCl2(.eta.5-C5Me4t-Bu)2] (1) was prepared by the reaction of [TiCl3(thf)3] with 2 equivalents of Li(.eta.5-C5Me4t-Bu) (made by adding BuLi to a 1.33 molar excess of a mixture of tert-butyltetramethylcyclopentadiene isomers in THF and subsequent oxidation of the Ti(III) intermediate to 1 by adding aqueous HCl. Neglecting the presence of cyclopentadiene isomers not forming the cyclopentadienide anion in the isomer mixture used for the synthesis of 1 resulted in the formation of hydrolytic product [{TiCl2(.eta.5-C5Me4t-Bu)}2(.mu.-O)] (2) and a considerable decrease of yield of 1. The half-sandwich complex [TiCl3(.eta.5-C5Me4t-Bu)] (3) was obtained by synproportionation of 1 and TiCl4. Crystal structures of 1, 2, and 3 were determined. The electronic absorption spectra of 1 and 3 indicate a stronger electron-donor effect of tert-butyl group compared with methyl group. (en)
- TiCl2(.eta.5-C5Me4t-Bu)2] (1) byl připraven reakcí [TiCl3(thf)3] s 2 equivalenty Li(.eta.5-C5Me4t-Bu) (připravené přidáním BuLi k 1.33 molárnímu přebytku směsi tert-butyltetrametylcyklopentadienových isomerů v THF) a následnou oxidací Ti(III) meziproduktu na komplex 1 přidáním vodného roztoku HCl. Opomenutím přítomnosti cyklopentadienových isomerů netvořících cyklopentadienylový anion ve směsi isomerů užitých pro přípravu komplexu 1 byl získán hydrolytický produkt [{TiCl2(.eta.5-C5Me4t-Bu)}2(.mu.-O)] (2) jehož tvorba značně snižovala výtěžek komplexu 1. Polosendvičový komplex [TiCl3(.eta.5-C5Me4t-Bu)] (3) byl obdržen disproporcionační reakcí komplexu 1 a TiCl4. Pro komplexy 1, 2 a 3 byla stanovena krystalová struktura. Spektra elektronové absorpce komplexů 1 a 3 ukazují na silný elektron donorový efekt tert-butylové skupiny proti skupině metylové. (cs)
|
| Title
| - Preparation and crystal structure of bis(tert-butyltetramethylcyclopentadienyl)dichlorotitanium
- Preparation and crystal structure of bis(tert-butyltetramethylcyclopentadienyl)dichlorotitanium (en)
- Příprava a krystalová struktura bis(tert-butyltetrametylcyklopentadienyl)titan dichloridu (cs)
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| skos:prefLabel
| - Preparation and crystal structure of bis(tert-butyltetramethylcyclopentadienyl)dichlorotitanium
- Preparation and crystal structure of bis(tert-butyltetramethylcyclopentadienyl)dichlorotitanium (en)
- Příprava a krystalová struktura bis(tert-butyltetrametylcyklopentadienyl)titan dichloridu (cs)
|
| skos:notation
| - RIV/61388955:_____/05:00026037!RIV06-AV0-61388955
|
| http://linked.open.../vavai/riv/strany
| |
| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - P(KJB4040403), Z(AV0Z40400503)
|
| http://linked.open...iv/cisloPeriodika
| |
| 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
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/05:00026037
|
| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - tert-butyltetramethylcyclopentadiene; half-sandwich; titanium; titanocene dichloride; Tert-butyl group (en)
|
| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| |
| http://linked.open...ontrolniKodProRIV
| |
| 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
| |
| http://linked.open...iv/tvurceVysledku
| - Mach, Karel
- Pinkas, Jiří
- Čejka, Jiří
- Gyepes, R.
- Horáček, Michal
- Kubišta, Jiří
- Lukešová, Lenka
|
| http://linked.open...n/vavai/riv/zamer
| |
| issn
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| number of pages
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