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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F08%3A00310518%21RIV12-GA0-61388955
rdf:type
n8:Vysledek skos:Concept
dcterms:description
The complex [TiCl2{eta(5)-C5Me4(SiMe2H)}(2)] (3) was prepared by reacting the lithium salt of 2,3,4,5-tetramethyl-1-(dimethylsilyl)cyclopenta-2,4-diene (1) with [TiCl3(THF)(3)] followed by chlorination of the formed [TiCl{eta(5)-C5Me4(SiMe2H)}(2)] (2) with PbCl2. The reduction of 3 with excess magnesium in THF in the presence of excess bis(trimethylsilyl)ethyne (btmse) afforded the bivalent metal ansa disilylene complex with pi-coordinated btmse [Ti{eta(5)-C5Me4(SiMe2)}(2)(eta(2)-btmse)] (4). The dehydrocoupling of the SiMe2H groups was accompanied by hydrogen transfer to the free btmse. Analogous reduction of 3 with magnesium in the presence of ethene gave a mixture of titanocene [Ti{eta(5)-C5Me4(SiMe2Et)}(2)] (5) and its ethene complex [Ti{eta(5)-C5Me4(SiMe2Et)}(2)(eta(2)-C2H4)] (6). ... The complex [TiCl2{eta(5)-C5Me4(SiMe2H)}(2)] (3) was prepared by reacting the lithium salt of 2,3,4,5-tetramethyl-1-(dimethylsilyl)cyclopenta-2,4-diene (1) with [TiCl3(THF)(3)] followed by chlorination of the formed [TiCl{eta(5)-C5Me4(SiMe2H)}(2)] (2) with PbCl2. The reduction of 3 with excess magnesium in THF in the presence of excess bis(trimethylsilyl)ethyne (btmse) afforded the bivalent metal ansa disilylene complex with pi-coordinated btmse [Ti{eta(5)-C5Me4(SiMe2)}(2)(eta(2)-btmse)] (4). The dehydrocoupling of the SiMe2H groups was accompanied by hydrogen transfer to the free btmse. Analogous reduction of 3 with magnesium in the presence of ethene gave a mixture of titanocene [Ti{eta(5)-C5Me4(SiMe2Et)}(2)] (5) and its ethene complex [Ti{eta(5)-C5Me4(SiMe2Et)}(2)(eta(2)-C2H4)] (6). ...
dcterms:title
Reactivity of SiMe2H Substituents in Permethylated Titanocene Complexes – Dehydrocoupling and Ethene Hydrosilylation Reactivity of SiMe2H Substituents in Permethylated Titanocene Complexes – Dehydrocoupling and Ethene Hydrosilylation
skos:prefLabel
Reactivity of SiMe2H Substituents in Permethylated Titanocene Complexes – Dehydrocoupling and Ethene Hydrosilylation Reactivity of SiMe2H Substituents in Permethylated Titanocene Complexes – Dehydrocoupling and Ethene Hydrosilylation
skos:notation
RIV/61388955:_____/08:00310518!RIV12-GA0-61388955
n3:aktivita
n4:V n4:Z n4:P
n3:aktivity
P(GA104/05/0474), P(LC06070), V, Z(AV0Z40400503)
n3:cisloPeriodika
11
n3:dodaniDat
n11:2012
n3:domaciTvurceVysledku
n6:6327230 n6:7763743 n6:9689907 n6:7277962
n3:druhVysledku
n18:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
391551
n3:idVysledku
RIV/61388955:_____/08:00310518
n3:jazykVysledku
n17:eng
n3:klicovaSlova
dimethylhydrosilyl substituent; Si-H bond; titanocene; dehydrocoupling
n3:klicoveSlovo
n5:Si-H%20bond n5:titanocene n5:dehydrocoupling n5:dimethylhydrosilyl%20substituent
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[47EFF4517CF4]
n3:nazevZdroje
Organometallics
n3:obor
n10:CF
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n16:GA104%2F05%2F0474 n16:LC06070
n3:rokUplatneniVysledku
n11:2008
n3:svazekPeriodika
27
n3:tvurceVysledku
Mach, Karel Pinkas, Jiří Horáček, Michal Gyepes, R. Kubišta, Jiří
n3:wos
000256232600033
n3:zamer
n19:AV0Z40400503
s:issn
0276-7333
s:numberOfPages
8
n12:doi
10.1021/om8000789