Yttrocene Chloride and Methyl Complexes with VariouslynSubstituted Cyclopentadienyl Ligands: Synthesis,nCharacterization, and Reactivity toward Ethylene

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F16%3A00464378" target="_blank" >RIV/61388955:_____/16:00464378 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1002/ejic.201600390" target="_blank" >http://dx.doi.org/10.1002/ejic.201600390</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/ejic.201600390" target="_blank" >10.1002/ejic.201600390</a>

Result language
angličtina
Original language name
Yttrocene Chloride and Methyl Complexes with VariouslynSubstituted Cyclopentadienyl Ligands: Synthesis,nCharacterization, and Reactivity toward Ethylene
Original language description
The reaction of YCl33.5THF with 1 equiv. ofnLi(C5Me4SiMe3) afforded in high yield the ionic complexn[Li(thf )4]+{[(η5-C5Me4SiMe3)YCl2]4(μ4-Cl)}– (1). The molecule of 1nconsists of the tetranuclear anion {[(η5-C5Me4SiMe3)YCl2]4(μ4-nCl)}– compensated with [Li(thf )4]+ in the solid state. Reactionsnof compound 1 with selected lithium and potassium cyclopentadienidesnresulted in the formation of yttrocene chloride complexesn[(η5-C5Me4SiMe3)Y(L)(μ-Cl)2M(thf)2] [M = Li, L = η5-C5H5n(2); M = Li, L = η5-C5Me5 (3); M = Li, L = η5-C5Me4SiMe2H (4);nM = K, L = η5-C5Me4CH2Ph (5)]. Yttrocene chloride complexes 2–5 underwent methylation reactions to give yttrocene methylncomplexes [(η5-C5Me4SiMe3)Y(L)(μ-Me)2Li(thf )2] [L = η5-C5H5 (6);nL = η5-C5Me5 (7); L = η5-C5Me4SiMe2H (8); L = η5-C5Me4CH2Phn(9)]. The products of all these reactions were characterized bynNMR and IR spectroscopy, and 2–5 were further studied by ESInmass spectrometry. The molecular structures of 1 and 4 werendetermined by single-crystal XRD. The methyl-bridged complexesn6–9 were tested as homogeneous catalysts for ethylenenpolymerization in the absence of cocatalysts.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Project
<a href="/en/project/GAP207%2F12%2F2368" target="_blank" >GAP207/12/2368: Group 4 metallocenes: activation of ligands for synthetic and catalytic applications</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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