About: Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds

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About: Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The ansa-1,2-bis(dimethylsilylene)ethane chain is exclusively activated when the parent ansa-permethyltitanocene compounds are reduced to titanium(II) either by thermolysis of titanium-methyl bonds or by the reduction of the parent titanocene dichloride ansa-[TiCl2(eta(5)-CH2Me2-SiC5Me4)(2)] (8) with magnesium. The compound [Ti(eta(2):eta(5):eta(5)-C5Me4SiMe2CH=CHSiMe2C5Me4)] (10), with the double bond back-bonded to titanium(II), is formed by thermolysis of ansa-[TiMe2(eta(5)-CH2Me2SiC5Me4)(2)] (9) with elimination of methane or by hydrogen transfer from the ansa-chain to easily leaving ethene or 1,4-bis(trimethylsilyl)buta-1,3-diyne pi-coordinated to an ansa-titanocene moiety. The paramagnetic compound ansa-[Ti-III{eta(1):eta(5):eta(5)-C5Me4SiMe2CHCH2SiMe2C5Me4}] (12), with the anso-chain tethered to titanium, arises from demethanation of transiently formed ansa-[(TiMe)-Me-III(eta(5)-CH2Me2SiC5Me4)(2)] or by the reduction of 8 with magnesium in tetrahydrofuran. The ansa-1,2-bis(dimethylsilylene)ethane chain is exclusively activated when the parent ansa-permethyltitanocene compounds are reduced to titanium(II) either by thermolysis of titanium-methyl bonds or by the reduction of the parent titanocene dichloride ansa-[TiCl2(eta(5)-CH2Me2-SiC5Me4)(2)] (8) with magnesium. The compound [Ti(eta(2):eta(5):eta(5)-C5Me4SiMe2CH=CHSiMe2C5Me4)] (10), with the double bond back-bonded to titanium(II), is formed by thermolysis of ansa-[TiMe2(eta(5)-CH2Me2SiC5Me4)(2)] (9) with elimination of methane or by hydrogen transfer from the ansa-chain to easily leaving ethene or 1,4-bis(trimethylsilyl)buta-1,3-diyne pi-coordinated to an ansa-titanocene moiety. The paramagnetic compound ansa-[Ti-III{eta(1):eta(5):eta(5)-C5Me4SiMe2CHCH2SiMe2C5Me4}] (12), with the anso-chain tethered to titanium, arises from demethanation of transiently formed ansa-[(TiMe)-Me-III(eta(5)-CH2Me2SiC5Me4)(2)] or by the reduction of 8 with magnesium in tetrahydrofuran. (en)
Title	Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds (en)
skos:prefLabel	Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds Reduction-Induced Exclusive Activation of the ansa-1,2-Bis(dimethylsilylene)ethane Chain in ansa-Permethyltitanocene Compounds (en)
skos:notation	RIV/61388955:_____/10:00351877!RIV11-MSM-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400400708), P(LC06070), Z(AV0Z40400503), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	21
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Lukešová, Lenka Horáček, Michal Mach, Karel 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	284309
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/10:00351877
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ansa-1,2-bis(dimethylsilylene)ethane; ansa-permethyltitanocene; titanium (en)
http://linked.open.../riv/klicoveSlovo	titanium 2-bis(dimethylsilylene)ethane ansa-1 ansa-permethyltitanocene
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E418B3FB2276]
http://linked.open...i/riv/nazevZdroje	Organometallics
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Activation of small molecules by titanocene(II) and zirconocene(II) complexes. The structure and synthetic applications of transition metal complexes
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	29
http://linked.open...iv/tvurceVysledku	Císařová, I. Mach, Karel Pinkas, Jiří Gyepes, R. Horáček, Michal Kubišta, Jiří Lukešová, Lenka
http://linked.open...ain/vavai/riv/wos	000283572100065
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	0276-7333
number of pages	10 (xsd:int)

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