Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes
Publication type: Journal Article
Publication date: 2007-04-28
scimago Q2
wos Q1
SJR: 0.676
CiteScore: 5.1
Impact factor: 2.9
ISSN: 02767333, 15206041
Organic Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The reduction of certain group 4 metallocene dichlorides by magnesium or lithium in the presence or absence of Me3SiC2SiMe3 in THF or toluene was investigated, giving in the case of titanium the dinuclear Ti(III) complex [rac-(ebthi)Ti(μ-Cl)]2 (1). For zirconium the 1-oxa-2-zirconacyclohexane 2 was formed by ring-opening reaction of rac-(ebthi)Zr(η2-Me3SiC2SiMe3) with THF. As a byproduct from the synthesis of Cp*2Zr(η2-Me3SiC2SiMe3) starting from Cp*2ZrCl2 another 1-oxa-2-zirconacyclohexane (3) was obtained by ring-opening reaction of THF via the dinuclear complex Cp*2Zr(Cl)-(CH2)4O−Zr(Cl)Cp*2 (4). In the case of hafnium the analogous dinuclear complex Cp*2Hf(Cl)−(CH2)4O−Hf(Cl)Cp*2 (5) and 1-oxa-2-hafnacyclohexane (6) were the main products of the reaction, inhibiting the synthesis of Cp*2Hf(η2-Me3SiC2SiMe3) (7). The tendency for ring opening of THF initiated by metallocenes increases in the series Ti, Zr, Hf, thus leading to consequences for the synthesis of metallocene complexes.
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Total citations:
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Citations from 2024:
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(12.9%)
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Beweries T. et al. Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes // Organometallics. 2007. Vol. 26. No. 12. pp. 3000-3004.
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Beweries T., Jäger Fiedler U., Bach M. A., Burlakov V. V., Arndt P., Baumann W., Spannenberg A., Rosenthal U. Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes // Organometallics. 2007. Vol. 26. No. 12. pp. 3000-3004.
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RIS
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TY - JOUR
DO - 10.1021/om0702173
UR - https://doi.org/10.1021/om0702173
TI - Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes
T2 - Organometallics
AU - Beweries, Torsten
AU - Jäger Fiedler, Ulrike
AU - Bach, Marc A
AU - Burlakov, Vladimir V.
AU - Arndt, Perdita
AU - Baumann, Wolfgang
AU - Spannenberg, Anke
AU - Rosenthal, Uwe
PY - 2007
DA - 2007/04/28
PB - American Chemical Society (ACS)
SP - 3000-3004
IS - 12
VL - 26
SN - 0276-7333
SN - 1520-6041
ER -
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@article{2007_Beweries,
author = {Torsten Beweries and Ulrike Jäger Fiedler and Marc A Bach and Vladimir V. Burlakov and Perdita Arndt and Wolfgang Baumann and Anke Spannenberg and Uwe Rosenthal},
title = {Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes},
journal = {Organometallics},
year = {2007},
volume = {26},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/om0702173},
number = {12},
pages = {3000--3004},
doi = {10.1021/om0702173}
}
Cite this
MLA
Copy
Beweries, Torsten, et al. “Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes.” Organometallics, vol. 26, no. 12, Apr. 2007, pp. 3000-3004. https://doi.org/10.1021/om0702173.