The Taming of Redox-Labile Phosphidotitanocene Cations.
The Taming of Redox-Labile Phosphidotitanocene Cations.
复制标题
氧化还原不稳定的磷酸二茂铁阳离子的驯化
作者:
A. T. Normand;Q. Bonnin;S. Brandès;P. Richard;P. Fleurat-Lessard;C. Devillers;C. Balan;P. Le Gendre;G. Kehr;G. Erker
Tame d0phosphidotitanocene cations stabilized with a pendant tertiary phosphane arm are reported. These compounds were obtained by one‐electron oxidation of d1precursors with [Cp2Fe][BPh4]. The electronic structure of these compounds was studied experimentally (EPR, UV/Vis, and NMR spectroscopy, X‐ray diffraction analysis) and through DFT calculations. The theoretical analysis of the bonding situation by using the electron localization function (ELF) shows the presence of π‐interactions between the phosphido ligand and Ti in the d0complexes, whereas dπ–pπ repulsion prevents such interactions in the d1complexes. In addition, CH–π interactions were observed in several complexes, both in solution and in the solid state, between the phosphido ligand and the phosphane arm. The d0complexes were found to be light sensitive, and decompose through Ti−P bond homolysis to give TiIIIspecies. A naked d0phosphidotitanocene cation has been trapped by reaction with diphenylacetylene, yielding a Ti/P frustrated Lewis pair (FLP), which was found to be less reactive than a previously reported Zr analog.
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DOI:
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发表时间:
1966
期刊:
影响因子:
--
作者:
K. Ǐssleib;Horst Häckert
通讯作者:
Horst Häckert
影响因子:
4
作者:
Andrew J. Roering;L. T. Elrod;Justin K. Pagano;Sarah L. Guillot;Stephanie M. Chan;J. Tanski;R. Waterman
通讯作者:
R. Waterman
DOI:
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发表时间:
1997
期刊:
影响因子:
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作者:
C. Frenzel;E. Hey‐Hawkins;U. Müller;Irina Strenger
通讯作者:
Irina Strenger
DOI:
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发表时间:
1990
期刊:
影响因子:
--
作者:
D. G. Dick;D. Stephan
通讯作者:
D. Stephan
DOI:
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发表时间:
2000
期刊:
影响因子:
--
作者:
Ulrike Segerer;S. Blaurock;J. Sieler;E. Hey‐Hawkins
通讯作者:
E. Hey‐Hawkins