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Six-Membered N-Heterocyclic Carbenes with a 1,1′-Ferrocenediyl Backbone : Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-Innocent Character

Six-Membered N-Heterocyclic Carbenes with a 1,1′-Ferrocenediyl Backbone : Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-Innocent Character

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SIEMELING, Ulrich, Christian FÄRBER, Michael LEIBOLD, Clemens BRUHN, Philipp MÜCKE, Rainer WINTER, Biprajit SARKAR, Moritz VON HOPFFGARTEN, Gernod FRENKING, 2009. Six-Membered N-Heterocyclic Carbenes with a 1,1′-Ferrocenediyl Backbone : Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-Innocent Character. In: European Journal of Inorganic Chemistry. 2009(31), pp. 4607-4612. ISSN 1434-1948. Available under: doi: 10.1002/ejic.200900863

@article{Siemeling2009SixMe-13792, title={Six-Membered N-Heterocyclic Carbenes with a 1,1′-Ferrocenediyl Backbone : Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-Innocent Character}, year={2009}, doi={10.1002/ejic.200900863}, number={31}, volume={2009}, issn={1434-1948}, journal={European Journal of Inorganic Chemistry}, pages={4607--4612}, author={Siemeling, Ulrich and Färber, Christian and Leibold, Michael and Bruhn, Clemens and Mücke, Philipp and Winter, Rainer and Sarkar, Biprajit and von Hopffgarten, Moritz and Frenking, Gernod} }

Frenking, Gernod Mücke, Philipp Sarkar, Biprajit Siemeling, Ulrich Frenking, Gernod First publ. in: European Journal of Inorganic Chemistry (2009), 31, pp. 4607–4612 2009 Leibold, Michael Färber, Christian 2011-06-21T11:28:06Z Siemeling, Ulrich Abstract<br /><br />The stable, crystalline N-heterocyclic diaminocarbene fc[N(CH2tBu)-C-N(CH2tBu)] (2d, fc = 1,1′-ferrocenediyl) was prepared by deprotonation of its formamidinium precursor fc[N(CH2tBu)-CH-N(CH2tBu)][BF4] (1d) and used for the preparation of the 16 valence electron complexes [Mo(2d)(CO)4], [RhCl(2d)(cod)] (cod = 1,5-cyclooctadiene) and [RhCl(2d)(CO)2]. 1d, 2d and [RhCl(2d)(cod)] were structurally characterised by single-crystal X-ray diffraction studies. The electrochemical properties of 2d, its 2-adamantyl analogue 2c, its complex [RhCl(2d)(CO)2] and of the precursors 1d and 1,1′-bis(neopentylamino)ferrocene were investigated by electrochemistry. The carbenes are easily oxidised to the corresponding radical cation, whose persistent nature is unprecedented in the chemistry of N-heterocyclic carbenes. The spin density is located at the Fe atom and the carbene C atom according to the results of EPR spectroscopic studies and DFT calculations. 2011-06-21T11:28:06Z terms-of-use Bruhn, Clemens Sarkar, Biprajit Färber, Christian eng Six-Membered N-Heterocyclic Carbenes with a 1,1′-Ferrocenediyl Backbone : Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-Innocent Character von Hopffgarten, Moritz Leibold, Michael Bruhn, Clemens Winter, Rainer Winter, Rainer von Hopffgarten, Moritz Mücke, Philipp

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

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