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Malenov DP, Zarić SD. Strong stacking interactions at large horizontal displacements of tropylium and cyclooctatetraenide ligands of transition metal complexes: crystallographic and DFT study. CrystEngComm 2020. [DOI: 10.1039/d0ce00501k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Large offset stacking of tropylium and COT ligands, which is dominant in crystal structures, surpasses an energy of −3.0 kcal mol−1.
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Affiliation(s)
- Dušan P. Malenov
- University of Belgrade – Faculty of Chemistry
- 11000 Belgrade
- Serbia
| | - Snežana D. Zarić
- University of Belgrade – Faculty of Chemistry
- 11000 Belgrade
- Serbia
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3
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Braunschweig H, Damme A, Dück K, Krummenacher I, Paprocki V, Radacki K, Ramler J, Schiller C, Schneider C. Boryl- and Silyl-Substituted Mixed Sandwich Compounds of Scandium. Chemistry 2018; 24:2403-2409. [PMID: 29363206 DOI: 10.1002/chem.201704908] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Indexed: 11/10/2022]
Abstract
An improved, one-pot synthesis of the linear sandwich compound [Sc(η5 -C5 H5 )(η8 -C8 H8 )] is presented. The synthetic procedure is amenable to boryl- and silyl-substituted cyclopentadienyl and cyclooctatetraenyl ligands, thereby yielding the first functionalized derivatives. We found that the synthesis of the silyl-substituted mixed sandwich complexes produces higher yields when the ligand exchange is carried out stepwise, by isolating the intermediate trimethylsilylated half-sandwich complex [Sc(η8 -C8 H7 SiMe3 )Cl(THF)] (THF=tetrahydrofuran). The molecular structures of the parent complex, as well as of its mono-boryl-substituted derivatives, have been determined by single-crystal X-ray diffraction. In addition, the optical and electrochemical properties of the mixed sandwich complexes are reported.
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Affiliation(s)
- Holger Braunschweig
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Alexander Damme
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Klaus Dück
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Ivo Krummenacher
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Valerie Paprocki
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Krzysztof Radacki
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Jacqueline Ramler
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Carl Schiller
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Christoph Schneider
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
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Kohrt S, Kehr G, Daniliuc CG, Rojas RS, Rieger B, Troll C, Erker G. Borata-Alkene Derived Syntheses of (F5C6)2B-Substituted Bis(indenyl) Group 4 Metal Complexes. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00427] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sonja Kohrt
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
| | - René S. Rojas
- Departamento
de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
| | - Bernhard Rieger
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, 85748 Garching bei München, Germany
| | - Carsten Troll
- WACKER-Lehrstuhl
für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, 85748 Garching bei München, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149 Münster, Germany
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Braunschweig H, Damme A, Dück K, Fuß M, Hörl C, Kramer T, Krummenacher I, Kupfer T, Paprocki V, Schneider C. Ansa-Complexes of [Mn(η 5-C 5H 5)(η 6-C 6H 6)]: Preparation, Characterization, and Reactivity of [ n]Manganoarenophanes ( n=1, 2, 3). Chemistry 2015; 21:14797-803. [DOI: 10.1002/chem.201502161] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Indexed: 11/06/2022]
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Pinkas J, Lamač M. Transformations of functional groups attached to cyclopentadienyl or related ligands in group 4 metal complexes. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.03.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ghadwal RS, Reichmann SO, Carl E, Herbst-Irmer R. Synthesis and structural investigation of R2Si (R = Me, Ph) bridged di-N-heterocyclic carbenes. Dalton Trans 2014; 43:13704-10. [DOI: 10.1039/c4dt01681e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Tagne Kuate AC, Mohapatra SK, Daniliuc CG, Jones PG, Tamm M. Mono- and Dilithiation of [(η7-C7H7)Ti(η5-C5Me5)] (Pentamethyltroticene) for the Synthesis of Troticenyl Monophosphanes and [2]Troticenophanes with C–P and C–Si Bridges. Organometallics 2012. [DOI: 10.1021/om300927r] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Alain C. Tagne Kuate
- Institut für Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Swagat K. Mohapatra
- Institut für Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Constantin G. Daniliuc
- Institut für Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institut für Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
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Glöckner A, Tamm M. The organometallic chemistry of cycloheptatrienyl zirconium complexes. Chem Soc Rev 2012; 42:128-42. [PMID: 23027385 DOI: 10.1039/c2cs35321k] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
This tutorial review summarizes the organometallic chemistry derived from the half-sandwich complex [(η(7)-C(7)H(7))ZrCl(tmeda)], which was used as an efficient and versatile starting material for the incorporation of monoanionic ligands into the cycloheptatrienyl zirconium coordination sphere by conventional salt metathesis reactions. A broad variety of ligands was employed, affording novel and previously inaccessible cycloheptatrienyl (sandwich) complexes of the type [(η(7)-C(7)H(7))Zr(Y)]; Y comprises pentadienyl, cyclopentadienyl, allyl, phospholyl, boratabenzene, imidazolin-2-iminato and amido systems. The cycloheptatrienyl ring in these systems usually acts as an "innocent spectator ligand", but reactivity can arise from the second ligand Y or the Lewis acidity of the, formally, Zr(+iv) center, which was probed in selected examples and put in perspective to related studies. The corresponding results emphasize why the use of [(η(7)-C(7)H(7))ZrCl(tmeda)] is clearly an advancement in the chemistry of the still fairly unexplored area of cycloheptatrienyl transition metal complexes.
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Affiliation(s)
- Andreas Glöckner
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Germany
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Glöckner A, Bannenberg T, Daniliuc CG, Jones PG, Tamm M. From a Cycloheptatrienylzirconium Allyl Complex to a Cycloheptatrienylzirconium Imidazolin-2-iminato “Pogo Stick” Complex with Imido-Type Reactivity. Inorg Chem 2012; 51:4368-78. [DOI: 10.1021/ic300129z] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Andreas Glöckner
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring
30, 38106 Braunschweig, Germany
| | - Thomas Bannenberg
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring
30, 38106 Braunschweig, Germany
| | - Constantin G. Daniliuc
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring
30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring
30, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring
30, 38106 Braunschweig, Germany
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Tagne Kuate AC, Daniliuc CG, Jones PG, Tamm M. Synthesis, Reactivity and Ring‐Opening Polymerization of a Tin‐Bridged
ansa
‐Cycloheptatrienyl‐Cyclopentadienyl Titanium Sandwich Complex. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201101339] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Alain C. Tagne Kuate
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany, Fax: +49‐531‐391‐5387
| | - Constantin G. Daniliuc
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany, Fax: +49‐531‐391‐5387
| | - Peter G. Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany, Fax: +49‐531‐391‐5387
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany, Fax: +49‐531‐391‐5387
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Glöckner A, Cui P, Chen Y, Daniliuc CG, Jones PG, Tamm M. Boratatrozircenes: cycloheptatrienyl zirconium boratabenzene sandwich complexes – evaluation of potential η6–η5 hapticity interconversions. NEW J CHEM 2012. [DOI: 10.1039/c2nj40059f] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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