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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00371368%21RIV12-GA0-61388955
rdf:type
skos:Concept n6:Vysledek
dcterms:description
The preparation of a new functionalized cyclopentadienyl ligand bearing a nitrile pendant substituent, (C(5)H(4)CMe(2)CH(2)CN)(-) is reported. The corresponding lithium salt of this ligand (1) was prepared by the reaction of in situ lithiated acetonitrile with 6,6-dimethylfulvene. The ligand was subsequently utilized for the synthesis of group 4 metal complexes [(eta(5)eC(5)H(4)CMe(2)CH(2)CN)(2)MCl(2)] (M = Ti, 2; M = Zr, 3; M - Hf, 4), [(eta(5)eC(5)H(5)) (eta(5)eC(5)H(4)CMe(2)CH(2)CN)MCl(2)] (M - Ti, 7; M Zr, 8), and [(eta(5)-C(5)Me(5)) (eta(5) C(5)H(4)CMe(2)CH(2)CN)(2)ZrCl(2)] (9). Alternative route to 2 comprised the preparation of half-sandwich complex [(h5eC5H4CMe2CH2CN)TiCl(3)] (6). The prepared compounds were characterized by common spectroscopic methods and the solid state structures of complexes 2, 3, 4, 7, and 9 were determined by the single-crystal X-ray diffraction analysis. In addition, compound 7 was converted to the corresponding dimethyl derivative [(eta(5)eC(5)H(5)) (eta(5)eC(5)H(4)CMe(2)CH(2)CN)TiMe(2)] (10) and also treated with the chloride anion abstractor Li[B(C(6)F(5))(4)] to generate the cationic complex with the coordinated nitrile group, as suggested by the NMR spectroscopy. A formation of yet another cationic complex was observed upon treating compound 10 with (Ph(3)C)[B(C(6)F(5))(4)]. The preparation of a new functionalized cyclopentadienyl ligand bearing a nitrile pendant substituent, (C(5)H(4)CMe(2)CH(2)CN)(-) is reported. The corresponding lithium salt of this ligand (1) was prepared by the reaction of in situ lithiated acetonitrile with 6,6-dimethylfulvene. The ligand was subsequently utilized for the synthesis of group 4 metal complexes [(eta(5)eC(5)H(4)CMe(2)CH(2)CN)(2)MCl(2)] (M = Ti, 2; M = Zr, 3; M - Hf, 4), [(eta(5)eC(5)H(5)) (eta(5)eC(5)H(4)CMe(2)CH(2)CN)MCl(2)] (M - Ti, 7; M Zr, 8), and [(eta(5)-C(5)Me(5)) (eta(5) C(5)H(4)CMe(2)CH(2)CN)(2)ZrCl(2)] (9). Alternative route to 2 comprised the preparation of half-sandwich complex [(h5eC5H4CMe2CH2CN)TiCl(3)] (6). The prepared compounds were characterized by common spectroscopic methods and the solid state structures of complexes 2, 3, 4, 7, and 9 were determined by the single-crystal X-ray diffraction analysis. In addition, compound 7 was converted to the corresponding dimethyl derivative [(eta(5)eC(5)H(5)) (eta(5)eC(5)H(4)CMe(2)CH(2)CN)TiMe(2)] (10) and also treated with the chloride anion abstractor Li[B(C(6)F(5))(4)] to generate the cationic complex with the coordinated nitrile group, as suggested by the NMR spectroscopy. A formation of yet another cationic complex was observed upon treating compound 10 with (Ph(3)C)[B(C(6)F(5))(4)].
dcterms:title
Group 4 metallocene complexes with pendant nitrile groups Group 4 metallocene complexes with pendant nitrile groups
skos:prefLabel
Group 4 metallocene complexes with pendant nitrile groups Group 4 metallocene complexes with pendant nitrile groups
skos:notation
RIV/61388955:_____/11:00371368!RIV12-GA0-61388955
n6:predkladatel
n7:ico%3A61388955
n4:aktivita
n17:P n17:I n17:Z
n4:aktivity
I, P(GPP207/10/P200), P(LC06070), Z(AV0Z40400503)
n4:cisloPeriodika
11-12
n4:dodaniDat
n20:2012
n4:domaciTvurceVysledku
n15:6769330 n15:9689907 n15:6327230 n15:7763743
n4:druhVysledku
n13:J
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
201566
n4:idVysledku
RIV/61388955:_____/11:00371368
n4:jazykVysledku
n8:eng
n4:klicovaSlova
metallocene; group 4 elements; nitrile
n4:klicoveSlovo
n12:nitrile n12:group%204%20elements n12:metallocene
n4:kodStatuVydavatele
CH - Švýcarská konfederace
n4:kontrolniKodProRIV
[A795ABB6F236]
n4:nazevZdroje
Journal of Organometallic Chemistry
n4:obor
n10:CF
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
5
n4:projekt
n14:LC06070 n14:GPP207%2F10%2FP200
n4:rokUplatneniVysledku
n20:2011
n4:svazekPeriodika
696
n4:tvurceVysledku
Kubišta, Jiří Gyepes, R. Pinkas, Jiří Horáček, Michal Lamač, Martin
n4:wos
000290022200013
n4:zamer
n16:AV0Z40400503
s:issn
0022-328X
s:numberOfPages
9
n3:doi
10.1016/j.jorganchem.2011.02.032