About: Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex

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Description	Half sandwich pentamethylcyclopentadienyltitanium chloroisopropoxides [Ti(eta5-C5Me5)Ti(Oi-Pr)nCl3-n] (n = 1 (1) or 2 (2)) and methylisopropoxides [Ti(eta5-C5Me5)Ti(Oi-Pr)nMe3-n](n = 1(3) or 2(4)) were prepared and characterized by spectroscopic methods, and compound 1 by single crystal X-ray diffraction analysis. Compounds 3 and 4 were reacted with an equimolar quantity of B(C6F5)3, however, only compound 4 afforded a crystalline product of limited stability at ambient temperature. Its single crystal X-ray diffraction analysis revealed that it is the zwitterionic complex [(eta5-C5Me5)Ti(Oi-Pr)2]+[(mu-Me)B(C6F5)3]- (5) and its crystal structure is very similar to the recently reported tert-butoxy complex [(eta5-C5Me5)Ti(Ot-Bu)2]+[(mu-Me)B(C6F5)3]- (6). The 1H, 13C, and 19F NMR spectra in C6D6 solution also showed the features analogous to those of 6. 1D NOESY experiments proved a close through space interaction of irradiated C5Me5 or OCHMe2 protons with the bridging Ti... Me-B group. Half sandwich pentamethylcyclopentadienyltitanium chloroisopropoxides [Ti(eta5-C5Me5)Ti(Oi-Pr)nCl3-n] (n = 1 (1) or 2 (2)) and methylisopropoxides [Ti(eta5-C5Me5)Ti(Oi-Pr)nMe3-n](n = 1(3) or 2(4)) were prepared and characterized by spectroscopic methods, and compound 1 by single crystal X-ray diffraction analysis. Compounds 3 and 4 were reacted with an equimolar quantity of B(C6F5)3, however, only compound 4 afforded a crystalline product of limited stability at ambient temperature. Its single crystal X-ray diffraction analysis revealed that it is the zwitterionic complex [(eta5-C5Me5)Ti(Oi-Pr)2]+[(mu-Me)B(C6F5)3]- (5) and its crystal structure is very similar to the recently reported tert-butoxy complex [(eta5-C5Me5)Ti(Ot-Bu)2]+[(mu-Me)B(C6F5)3]- (6). The 1H, 13C, and 19F NMR spectra in C6D6 solution also showed the features analogous to those of 6. 1D NOESY experiments proved a close through space interaction of irradiated C5Me5 or OCHMe2 protons with the bridging Ti... Me-B group. (en)
Title	Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex (en)
skos:prefLabel	Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex (en)
skos:notation	RIV/62243136:_____/08:#0000054!RIV11-MPO-62243136
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(FT-TA3/078), V, Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	8 - 9
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Mach, Karel Varga, Vojtěch
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	Výzkumný ústav anorganické chemie, a.s.
http://linked.open...dnocenehoVysledku	398752
http://linked.open...ai/riv/idVysledku	RIV/62243136:_____/08:#0000054
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	titanium, half-sandwich, titanium isopropoxide, tris(pentafluorophenyl)borane, zwitterionic complex, cationic titanium complex (en)
http://linked.open.../riv/klicoveSlovo	cationic titanium complex half-sandwich titanium isopropoxide tris(pentafluorophenyl)borane zwitterionic complex titanium
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[7B5F98A48977]
http://linked.open...i/riv/nazevZdroje	Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	*Single site catalysts for olefin polymerization.
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	76 (2008)
http://linked.open...iv/tvurceVysledku	Mach, Karel Gyepes, R. Horáček, M. Varga, Vojtěch Pinkas, J. Kubišta, J.
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0010-0765
number of pages	16 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex Synthesis and structure of permethylcyclopentadienyltitanium disopropoxide zwitterionic complex

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