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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F10%3A00351877%21RIV11-MSM-61388955
rdf:type
n18:Vysledek skos:Concept
dcterms: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.
dcterms: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
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
skos:notation
RIV/61388955:_____/10:00351877!RIV11-MSM-61388955
n3:aktivita
n6:P n6:Z
n3:aktivity
P(IAA400400708), P(LC06070), Z(AV0Z40400503), Z(MSM0021620857)
n3:cisloPeriodika
21
n3:dodaniDat
n11:2011
n3:domaciTvurceVysledku
n14:7554974 n14:6327230 n14:9689907 n14:7763743 n14:7277962
n3:druhVysledku
n8:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
284309
n3:idVysledku
RIV/61388955:_____/10:00351877
n3:jazykVysledku
n17:eng
n3:klicovaSlova
ansa-1,2-bis(dimethylsilylene)ethane; ansa-permethyltitanocene; titanium
n3:klicoveSlovo
n15:titanium n15:2-bis%28dimethylsilylene%29ethane n15:ansa-permethyltitanocene n15:ansa-1
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[E418B3FB2276]
n3:nazevZdroje
Organometallics
n3:obor
n16:CF
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
7
n3:projekt
n10:LC06070 n10:IAA400400708
n3:rokUplatneniVysledku
n11:2010
n3:svazekPeriodika
29
n3:tvurceVysledku
Mach, Karel Horáček, Michal Kubišta, Jiří Císařová, I. Gyepes, R. Lukešová, Lenka Pinkas, Jiří
n3:wos
000283572100065
n3:zamer
n5:MSM0021620857 n5:AV0Z40400503
s:issn
0276-7333
s:numberOfPages
10