1
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Kumar S, Maurer LR, Schnakenburg G, Das U, Filippou AC. NHC-Supported 2-Sila and 2-Germavinylidenes: Synthesis, Dynamics, First Reactivity and Theoretical Studies. Angew Chem Int Ed Engl 2024; 63:e202400227. [PMID: 38317632 DOI: 10.1002/anie.202400227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 02/07/2024]
Abstract
2-tetrelavinylidenes (C=EH2; E=Si, Ge) are according to quantum chemical studies the least stable isomers on the [E,C,2H] potential energy hypersurface isomerizing easily via the trans-bent tetrelaacetylenes HE≡CH to the thermodynamically most stable 1-tetrelavinylidenes (E=CH2). Consequently, experimental studies on 2-tetrelavinylidenes (C=ER2) and their derivatives are lacking. Herein we report experimental and theoretical studies of the first N-heterocyclic carbene (NHC) supported 2-silavinylidene (NHC)C=SiBr(Tbb) (1-Si: NHC=C[N(Dipp)CH]2, Dipp=2,6-diisopropylphenyl, Tbb=2,6-bis[bis(trimethylsilyl)methyl]-4-tert-butylphenyl) and the isovalent 2-germavinylidenes (NHC)C=GeBr(R) (1-Ge, 1-GeMind: R=Tbb, Mind (1,1,3,3,5,5,7,7-octamethyl-s-hydrindacene-4-yl)). The NHC-supported 2-tetrelavinylidenes were obtained selectively from the 1,2-dibromoditetrelenes (E)-(R)BrE=EBr(R) using the diazoolefin (NHC)CN2 as vinylidene transfer reagent. 1-E (E=Si, Ge) have a planar vinylidene core, a bent-dicoordinated vinylidene carbon atom (CVNL), a very short E=CVNL bond and an almost orthogonal orientation of the NHC five-membered ring to the vinylidene core. Quantum chemical analysis of the electronic structures of 1-E suggest a significantly bent 1-tetrelaallene and tetrelyne character. NMR studies shed light into the dynamics of 1-E involving NHC-rotation around the CVNL-CNHC bond with a low activation barrier. Furthermore, the synthetic potential of 1-E is demonstrated by the synthesis and full characterization of the unprecedented NHC-supported bromogermynes BrGe=C(EBr2Tbb)(NHC) (2-SiGe: E=Si; 2-GeGe: E=Ge).
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Affiliation(s)
- Sandeep Kumar
- Institut für Anorganische Chemie, Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Leonard R Maurer
- Institut für Anorganische Chemie, Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Gregor Schnakenburg
- Institut für Anorganische Chemie, Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Ujjal Das
- Institut für Anorganische Chemie, Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Alexander C Filippou
- Institut für Anorganische Chemie, Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
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2
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Li J, Wang XF, Hu C, Liu LL. Carbene-Stabilized Phosphagermylenylidene: A Heavier Analog of Isonitrile. J Am Chem Soc 2024; 146:14341-14348. [PMID: 38726476 DOI: 10.1021/jacs.4c04434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Phosphagermylenylidenes (R-P═Ge), as heavier analogs of isonitriles, whether in their free state or as complexes with a Lewis base, have not been previously identified as isolable entities. In this study, we report the synthesis of a stable monomeric phosphagermylenylidene within the coordination sphere of a Lewis base under ambient conditions. This species was synthesized by Lewis base-induced dedimerization of a cyclic phosphagermylenylidene dimer or via Me3SiCl elimination from a phosphinochlorogermylene framework. The deliberate integration of a bulky, electropositive N-heterocyclic boryl group at the phosphorus site, combined with coordination stabilization by a cyclic (alkyl)(amino)carbene at the low-valent germanium site, effectively mitigated its natural tendency toward oligomerization. Structural analyses and theoretical calculations have demonstrated that this unprecedented species features a P═Ge double bond, characterized by conventional electron-sharing π and σ bonds, complemented by lone pairs at both the phosphorus and germanium atoms. Preliminary reactivity studies show that this base-stabilized phosphagermylenylidene demonstrates facile release of ligands at the Ge atom, coordination to silver through the lone pair on P, and versatile reactivity including both (cyclo)addition and cleavage of the P═Ge double bond.
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Affiliation(s)
- Jiancheng Li
- Department of Chemistry and Research Center for Chemical Biology and Omics Analysis, College of Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xin-Feng Wang
- Department of Chemistry and Research Center for Chemical Biology and Omics Analysis, College of Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Chaopeng Hu
- Department of Chemistry and Research Center for Chemical Biology and Omics Analysis, College of Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Liu Leo Liu
- Department of Chemistry and Research Center for Chemical Biology and Omics Analysis, College of Science, Southern University of Science and Technology, Shenzhen 518055, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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3
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Qiao Z, Li X, Chen M, Cao F, Mo Z. Double 1,2-Carbon Migration at Mixed Heavier Sn=Ge Vinylidenes. Angew Chem Int Ed Engl 2024; 63:e202401570. [PMID: 38380578 DOI: 10.1002/anie.202401570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 02/22/2024]
Abstract
1,2-migration is one recurring isomerization reaction in organic chemistry. In contrast, double 1,2-migration remains rare and limited to transition-metal complexes. Herein, we describe the synthesis, characterization and reactivity of mixed heavier Sn=Ge vinylidenes. Double 1,2-carbon migration enables the isomerization of the stannagermenylidene (3) to the germastannenylidene (4). X-ray diffraction analysis and DFT calculations revealed that 3 and 4 feature a Sn=Ge double bond. The reaction of 3 with IMe4 (1,3,4,5-tetramethylimidazoline-2-ylidene) results in the electron redistribution in the Sn=Ge core to give the germylone-stannylene adduct (5). Moreover, treatment of 3 with 0.25 equiv. of (AlCp*)4 produces the heteronuclear aluminyl stannagermyne (6).
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Affiliation(s)
- Zihao Qiao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xueyan Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Ming Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Fanshu Cao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhenbo Mo
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, China
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4
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Du S, Cao F, Chen X, Rong H, Song H, Mo Z. A silylene-stabilized ditin(0) complex and its conversion to methylditin cation and distannavinylidene. Nat Commun 2023; 14:7474. [PMID: 37978294 PMCID: PMC10656547 DOI: 10.1038/s41467-023-42953-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023] Open
Abstract
Due to their intrinsic high reactivity, isolation of tin(0) complexes remains challenging. Herein, we report the synthesis of a silylene-stabilized ditin(0) complex (2) by reduction of a silylene-supported dibromostannylene (1) with 1 equivalent of magnesium (I) dimer in toluene. The structure of 2 was established by single crystal X-ray diffraction analysis. Density Functional Theory calculations revealed that complex 2 bears a Sn=Sn double bond and one lone pair of electrons on each of the Sn(0) atoms. Remarkably, complex 2 is readily methylated to give a mixed-valent methylditin cation (4), which undergoes topomerization in solution though a reversible 1,2-Me migration along a Sn=Sn bond. Computational studies showed that the three-coordinate Sn atom in 4 is the dominant electrophilic center, and allows for facile reaction with KHBBus3 furnishing an unprecedented N-heterocyclic silylenes-stabilized distannavinylidene (5). The synthesis of 2, 4 and 5 demonstrates the exceptional ability of N-heterocyclic silylenes to stabilize low valent tin complexes.
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Affiliation(s)
- Shaozhi Du
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China
| | - Fanshu Cao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China
| | - Xi Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China
| | - Hua Rong
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China
| | - Haibin Song
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China
| | - Zhenbo Mo
- State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, China.
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5
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Kumar S, Parameswaran P, Jana A, Jemmis ED. Lewis Acid Stabilized Diatomic Molecules of Group 14: A Computational Study on [(CO) 4Fe] 2E 2 (E = C, Si, Ge, Sn, Pb). J Phys Chem A 2023; 127:9442-9450. [PMID: 37931177 DOI: 10.1021/acs.jpca.3c04376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
A Lewis base and acid combination has been effectively employed to stabilize and isolate the low-valent group 14 compounds. We report DFT studies on stabilizing low-valent group 14 diatomics as adducts of Lewis acids employing transition metal carbonyl fragment iron tetracarbonyl [Fe(CO)4] as Lewis acid. Computational studies on [(CO)4Fe]2E2, E = C, Si, Ge, Sn, and Pb, predict five plausible isomers on its potential energy surface: linear (E2_L), bent (E2_B), three-membered (E2_T), dibridged (E2_D), and four-membered (E2_F). For the carbon analogue, the lowest energy configuration is linear and has a typical cumulenic structure, while silicon and germanium analogues favor three-membered cyclic isomers. Four-membered cyclic isomers are the most stable for tin and lead analogues.
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Affiliation(s)
- Sandeep Kumar
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore, 560012, India
| | - Pattiyil Parameswaran
- Department of Chemistry, National Institute of Technology Calicut, Kozhikode, 673601, Kerala, India
| | - Anukul Jana
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad, 500107, Telangana, India
| | - Eluvathingal D Jemmis
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore, 560012, India
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6
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Sarcevic J, Heitkemper T, Ruth PN, Naß L, Kubis M, Stalke D, Sindlinger CP. A donor-supported silavinylidene and silylium ylides: boroles as a flexible platform for versatile Si(ii) chemistry. Chem Sci 2023; 14:5148-5159. [PMID: 37206392 PMCID: PMC10189903 DOI: 10.1039/d3sc00808h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/30/2023] [Indexed: 09/22/2024] Open
Abstract
Electron-deficient, anti-aromatic 2,5-disilyl boroles are shown to be a flexibly adaptive molecular platform with regards to SiMe3 mobility in their reaction with the nucleophilic donor-stabilised precursor dichloro silylene SiCl2(IDipp). Depending on the substitution pattern, selective formation of two fundamentally different products of rivalling formation pathways is achieved. Formal addition of the dichlorosilylene gives the 5,5-dichloro-5-sila-6-borabicyclo[2.1.1]hex-2-ene derivatives. Under kinetically controlled conditions, SiCl2(IDipp) induces 1,3-trimethylsilyl migration and adds exocyclically to the generated carbene fragment giving an NHC-supported silylium ylide. In some cases interconversion between these compound classes was triggered by temperature or NHC-addition. Reduction of silaborabicyclo[2.1.1]hex-2-ene derivatives under forcing conditions gave clean access to recently described nido-type cluster Si(ii) half-sandwich complexes of boroles. Reduction of a NHC-supported silylium ylide gave an unprecedented NHC-supported silavinylidene which rearranges to the nido-type cluster at elevated temperatures.
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Affiliation(s)
- Julijan Sarcevic
- Institut für Anorganische Chemie, Universität Stuttgart Pfaffenwaldring 55 70169 Stuttgart Germany
| | - Tobias Heitkemper
- Institut für Anorganische Chemie, Universität Stuttgart Pfaffenwaldring 55 70169 Stuttgart Germany
| | - Paul Niklas Ruth
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen Tammannstr. 4 37077 Göttingen Germany
| | - Leonard Naß
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen Tammannstr. 4 37077 Göttingen Germany
| | - Maximilian Kubis
- Institut für Anorganische Chemie, RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Dietmar Stalke
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen Tammannstr. 4 37077 Göttingen Germany
| | - Christian P Sindlinger
- Institut für Anorganische Chemie, Universität Stuttgart Pfaffenwaldring 55 70169 Stuttgart Germany
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7
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Helmer J, Hepp A, Lips F. A strongly twisted SiSi bond with resemblance to a buckled dimer in an unexpected isomer of hexasilabenzene. Dalton Trans 2022; 51:3254-3262. [PMID: 35133371 DOI: 10.1039/d2dt00259k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reductive debromination of {N(SiMe3)Ph}SiBr31 with Rieke magnesium yields the six-vertex amido-substituted silicon cluster 2 with zwitterionic character that represents an unprecedented isomer of hexasilabenzene. The topology of Si1 and Si2 in 2 has bonding features of a highly twisted disilene and resembles that of a buckled dimer of Si(100)2 × 1 reconstructed surfaces. Cluster 2 forms the adducts 3 and 4 with NHCMe4 and DMAP, respectively. The NHC adduct 4 additionally coordinates to BH3 which affords the saturated cluster BH3NHCMe4Si6{N(SiMe3)Ph}6 (5). Furthermore, 2 undergoes addition with MeI and iodine to form the halogenated silicon clusters 6 and 7, respectively.
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Affiliation(s)
- Joschua Helmer
- Westfälische-Willhelms-Universität Münster, Institut für Anorganische und Analytische Chemie, Corrensstraße 28-30, 48149 Münster, Germany.
| | - Alexander Hepp
- Westfälische-Willhelms-Universität Münster, Institut für Anorganische und Analytische Chemie, Corrensstraße 28-30, 48149 Münster, Germany.
| | - Felicitas Lips
- Westfälische-Willhelms-Universität Münster, Institut für Anorganische und Analytische Chemie, Corrensstraße 28-30, 48149 Münster, Germany.
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8
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9
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Karwasara S, Maurer LR, Peerless B, Schnakenburg G, Das U, Filippou AC. (NHC)Si═C═N-R: A Two-Coordinated Si 0-Isocyanide Compound as Si(NHC) Transfer Reagent. J Am Chem Soc 2021; 143:14780-14794. [PMID: 34469138 DOI: 10.1021/jacs.1c06628] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Experimental and theoretical studies are reported of the first two-coordinated Si0-isocyanide compound (SIDipp)Si═C═N-ArMes (1: SIDipp (NHC) = C[N(Dipp)CH2]2, ArMes = 2,6-dimesitylphenyl), supported by an N-heterocyclic carbene (NHC). A Si atom economic two-step synthesis of 1 involves a 2e reduction of the isocyanide-stabilized silyliumylidene salt [SiBr(CNArMes)(SIDipp)][B(ArF)4] (2[B(ArF)4], ArF = B(C6H3-3,5-(CF3)2)4) with KC8. 2[B(ArF)4] was obtained from SiBr2(SIDipp) after bromide abstraction with an equimolar mixture of Na[B(ArF)4] and ArMesNC. Exact adherence to the stoichiometry is crucial in the latter reaction, since 2[B(ArF)4] reacts with SiBr2(SIDipp) via isocyanide exchange to afford the disilicon(II) salt [Si2Br3(SIDipp)2)][B(ArF)4] (3[B(ArF)4]), the reaction leading to an equilibrium that favors 3[B(ArF)4] (Keq(298 K) = 10.6, ΔH° = -10.6 kJ mol-1; ΔS° = -16.0 J mol-1 K-1). 3[B(ArF)4] was obtained selectively from the 2:1 reaction of SiBr2(SIDipp) with Na[B(ArF)4] and fully characterized. Detailed studies of 1 reveal an intriguing structure featuring a planar CNHC-Si-C-N skeleton with a V-shaped geometry at the dicoordinated Si0 center, a slightly bent Si═C═N core, a CNHC-Si-CCNR 3c-2e out of plane π-bond (HOMO), and an anticlinal conformation of the SIDipp and ArMes substituents leading to axial chirality and the presence of two enantiomers, (Ra)-1 and (Sa)-1. Compound 1 displays structural dynamics in solution, rapidly interconverting the enantiomers. The silacumulene 1 is a potent Si(SIDipp) transfer agent as demonstrated by the synthesis and full characterization of the NHC-supported germasilyne (Z)-(SIDipp)(Cl)Si═GeArMes (4) from 1 and Ge(ArMes)Cl.
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Affiliation(s)
- Surendar Karwasara
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Leonard R Maurer
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Benjamin Peerless
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Gregor Schnakenburg
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Ujjal Das
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Alexander C Filippou
- Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
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10
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Koike T, Nukazawa T, Iwamoto T. Conformationally Switchable Silylone: Electron Redistribution Accompanied by Ligand Reorientation around a Monatomic Silicon. J Am Chem Soc 2021; 143:14332-14341. [PMID: 34448394 DOI: 10.1021/jacs.1c06654] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Complexes that could be switched between two electronic states by external stimuli have attracted much attention for their potential application in molecular devices. However, a realization of such a phenomenon with low-valent main-group element-centered complexes remains challenging. Herein, we report the synthesis of cyclic (alkyl)(amino)silylene (CAASi)-ligated monatomic silicon(0) complexes (silylones). The bis(CAASi)-ligated silylone adopts a π-localized ylidene structure (greenish-black color) in the solid state and a π-delocalized ylidene structure (dark-purple color) in solution that could be reversibly switched upon phase transfer (ylidene [L: → :Si = L ↔ L = Si: ← :L]). The observed remarkable difference in the physical properties of the two isomers is attributed to the balanced steric demand and redox noninnocent character of the CAASi ligand which are altered by the orientation of the two terminal ligands with respect to the Si-Si-Si plane: twisted structure (π-localized ylidene) and planar structure (π-delocalized ylidene). Conversely, the CAASi/CDASi-ligated heteroleptic silylone (CDASi = cyclic dialkylsilylene) only exhibited the twisted π-localized ylidene structure regardless of the phase. The synthesized silylones also proved themselves as monatomic silicon surrogates. Thermolysis of the silylones in the presence of an ethane-1,2-diimine afforded the corresponding diaminosilylenes. Analyses of the products suggested a stepwise mechanism that proceeds via a disilavinylidene intermediate.
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Affiliation(s)
- Taichi Koike
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Takumi Nukazawa
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Takeaki Iwamoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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11
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Majhi PK, Zimmer M, Morgenstern B, Huch V, Scheschkewitz D. Transition Metal Complexes of Heavier Vinylidenes: Allylic Coordination vs Vinylidene-Alkyne Rearrangement at Nickel. J Am Chem Soc 2021; 143:13350-13357. [PMID: 34380307 DOI: 10.1021/jacs.1c06453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Transition metal π-allyl complexes are key reagents/intermediates of various catalytic and stoichiometric allylation reactions. We now report the first transition metal complex of a heavier allylic π-system. The η3-Si2Ge allyl nickel complex is formally obtained by the oxidative addition of the Si-Cl bond of the heavier vinylidene [R2(Cl)Si-(R)Si═(NHC)Ge:] to [Ni(COD)2] (R = 2,4,6-triisopropylphenyl; NHC = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene; COD = 1,5-cyclooctadiene). Due to geometric constraints, the coordination to the Ni(II) center occurs through the formal Si═Ge double bond instead of the residual lone pair of electrons at germanium. In contrast, the Si-N bond of the analogous vinylidene [R2(Me2N)Si-(R)Si═(NHC)Ge:] (obtained by nucleophilic substitution of Cl by NMe2) does not oxidatively add to Ni(0), and a hydridosilagermene-η2-nickel complex is obtained instead. The formation of this complex necessarily implies the isomerization of the heavier vinylidene to the corresponding heteroalkyne with the Si≡Ge triple bond in the coordination sphere of nickel followed by the activation of a C-H bond of one of the isopropyl groups of an N-heterocyclic carbene (NHC) ligand.
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Affiliation(s)
- Paresh Kumar Majhi
- Krupp-Chair of General and Inorganic Chemistry, Saarland University, 66123 Saarbrücken, Germany
| | - Michael Zimmer
- Krupp-Chair of General and Inorganic Chemistry, Saarland University, 66123 Saarbrücken, Germany
| | - Bernd Morgenstern
- Service Center X-ray Diffraction, Saarland University, 66123 Saarbrücken, Germany
| | - Volker Huch
- Service Center X-ray Diffraction, Saarland University, 66123 Saarbrücken, Germany
| | - David Scheschkewitz
- Krupp-Chair of General and Inorganic Chemistry, Saarland University, 66123 Saarbrücken, Germany
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12
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Wilhelm C, Raiser D, Schubert H, Sindlinger CP, Wesemann L. Phosphine-Stabilized Germasilenylidene: Source for a Silicon-Atom Transfer. Inorg Chem 2021; 60:9268-9272. [PMID: 34165290 DOI: 10.1021/acs.inorgchem.1c01361] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A phosphine-stabilized germasilenylidene is synthesized following the pathway of SiCl4 oxidative addition at a germylene-phosphine Lewis pair. Low-temperature reduction using {(MesNacnac)Mg}2 resulted in a chlorosilylene intermediate and finally a molecule exhibiting a Ge═Si: motif. Inside the chelating phosphine-germylene, a low-valent silicon atom is stabilized and was transferred to diazabutadiene to give N-heterocyclic silylenes. Because of the high reactivity of the phosphine-stabilized germasilenylidene, a reaction of two Ge═Si: units was found to yield a Si2Ge2-ring molecule exhibiting a germasilene substituted with a silylene.
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Affiliation(s)
- Christian Wilhelm
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Dominik Raiser
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Hartmut Schubert
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Christian P Sindlinger
- Institut für Anorganische Chemie, Georg-August Universität Göttingen, Tammannstrasse 4, 37077 Göttingen, Germany
| | - Lars Wesemann
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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13
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Xiong Y, Chen D, Yao S, Zhu J, Ruzicka A, Driess M. New Types of Ge 2 and Ge 4 Assemblies Stabilized by a Carbanionic Dicarborandiyl-Silylene Ligand. J Am Chem Soc 2021; 143:6229-6237. [PMID: 33852310 DOI: 10.1021/jacs.1c01722] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The first Ge(0)-Ge(II) germylone-germylene-paired Ge2 complex (LSi)2Ge2 (4) and the molecular Ge4 cluster (LSi)2Ge4 (5) supported by the chelating carbanionic ortho-C,C'-dicarborandiyl-silylene ligand LSi [L = C,C'-C2B10H10, Si = PhC(tBuN)2Si] have been synthesized and isolated via reduction of the corresponding precursors chlorogermyl-germyliumylidene chloride (2), [(LSi)2Ge(Cl)Ge]+Cl-, and (LSi)2Ge4Cl4 (3) with C8K, respectively. The latter precursors were obtained from the unexpected outcome of the reaction of the ortho-C,C'-dicarborandiyl phosphine-silylene ligand PLSi (1) {P = P[N(tBu)CH2]2} and GeCl2·dioxane. Compound 2 is formed in higher yields (65% yields) by the salt metathesis reaction of the C-lithium dicarborandiyl-C'-silylene salt LiLSi (6) [Li = Li(OEt2)2] with GeCl2·dioxane. The molecular structures of all these species (1-6) have been established and confirmed spectroscopically and crystallographically. The electronic structures of 4 and 5 were elucidated by density functional theory calculations. While 4 possesses a localized dative Ge(0)→Ge(II) bond, the Ge-Ge σ bonds in 5 are delocalized in the Ge4 cluster core. Featuring a donor-acceptor interaction between two chelating silylenes and the Ge4 core, compound 5 represents a unique molecular model for a Ge4 cluster.
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Affiliation(s)
- Yun Xiong
- Metalorganics and Inorganic Materials, Department of Chemistry, Technische Universität Berlin, Straße des 17, Juni 135, Sekr. C2, 10623 Berlin, Germany
| | - Dandan Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Shenglai Yao
- Metalorganics and Inorganic Materials, Department of Chemistry, Technische Universität Berlin, Straße des 17, Juni 135, Sekr. C2, 10623 Berlin, Germany
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Ales Ruzicka
- Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Matthias Driess
- Metalorganics and Inorganic Materials, Department of Chemistry, Technische Universität Berlin, Straße des 17, Juni 135, Sekr. C2, 10623 Berlin, Germany
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14
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Kobayashi R, Ishida S, Iwamoto T. Synthesis of an NHC-Coordinated Dialkyldisilavinylidene and Its Oxidation Providing a Silicon Analog of an Acetolactone. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00130] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ryo Kobayashi
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Shintaro Ishida
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Takeaki Iwamoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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15
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Dong Z, Winkler JM, Schmidtmann M, Müller T. Three-membered cyclic digermylenes stabilised by an N-heterocyclic carbene. Chem Sci 2021; 12:6287-6292. [PMID: 34084426 PMCID: PMC8115106 DOI: 10.1039/d1sc00956g] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Treatment of potassium salts of silole dianions with donor stabilised germanium dichlorides gave the anticipated silagermafulvenylidenes R2Si = Ge(Do) (R2Si = 1-silacyclopentadiendiyl, Do = N-heterocyclic carbene (NHC)) only as transient intermediates in a side reaction. They were detected by NMR spectroscopy and, in one case, the formal dimer, 2,4-disila-1λ3,3λ3-digermetane, was isolated. The main products of these reactions are sila-bis-λ3-germiranes, i.e. directly interconnected digermylenes that are part of a three-membered ring. The structural data, supported by the results of density functional calculations confirm the digermylene nature of these products with a long inner cyclic Ge-Ge bond that decreases the inherent high ring strain in silagermiranes.
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Affiliation(s)
- Zhaowen Dong
- Institute of Chemistry, Carl von Ossietzky University of Oldenburg Carl von Ossietzky-Str. 9-11 D-26129 Oldenburg Federal Republic of Germany .,Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Jan Mathis Winkler
- Institute of Chemistry, Carl von Ossietzky University of Oldenburg Carl von Ossietzky-Str. 9-11 D-26129 Oldenburg Federal Republic of Germany
| | - Marc Schmidtmann
- Institute of Chemistry, Carl von Ossietzky University of Oldenburg Carl von Ossietzky-Str. 9-11 D-26129 Oldenburg Federal Republic of Germany
| | - Thomas Müller
- Institute of Chemistry, Carl von Ossietzky University of Oldenburg Carl von Ossietzky-Str. 9-11 D-26129 Oldenburg Federal Republic of Germany
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16
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Li B, Wölper C, Haberhauer G, Schulz S. Synthesis and Reactivity of Heteroleptic Ga-P-C Allyl Cation Analogues. Angew Chem Int Ed Engl 2021; 60:1986-1991. [PMID: 33034935 PMCID: PMC7894565 DOI: 10.1002/anie.202012595] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 11/28/2022]
Abstract
Oxidative addition of cyclic alkyl(amino)carbene-coordinated phosphinidenes (Me cAAC)PX to LGa affords gallium-coordinated phosphinidenes LGa(X)-P(Me cAAC) (L=HC[C(Me)N(2,6-i-Pr2 C6 H3 )]2 ; X=Cl 1, Br 2), which react with NaBArF 4 and LiAl(ORF )4 to [LGaP(Me cAAC)][An] (An=B(C6 H3 (CF3 )2 )4 3, B(C6 F5 )4 4, Al(OC(CF3 )3 )4 5). The cations in 3-5 show substantial Ga-P double bond character and represent heteronuclear analogues of allyl cations according to quantum chemical calculations. The reaction of 4 with 4-dimethylaminopyridine (dmap) to adduct 6 confirms the strong electrophilic nature of the gallium center, whereas 5 reacts with ethyl isocyanate with C-C bond formation to the γ-C atom of the β-diketiminate ligand and formation of compound 7.
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Affiliation(s)
- Bin Li
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE)University of Duisburg-EssenUniversitätsstrasse 5–745141EssenGermany
| | - Christoph Wölper
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE)University of Duisburg-EssenUniversitätsstrasse 5–745141EssenGermany
| | - Gebhard Haberhauer
- Institute of Organic Chemistry, University of Duisburg-EssenUniversitätsstrasse 5–745141EssenGermany
| | - Stephan Schulz
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE)University of Duisburg-EssenUniversitätsstrasse 5–745141EssenGermany
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17
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Li B, Wölper C, Haberhauer G, Schulz S. Synthesis and Reactivity of Heteroleptic Ga‐P‐C Allyl Cation Analogues. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012595] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bin Li
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) University of Duisburg-Essen Universitätsstrasse 5–7 45141 Essen Germany
| | - Christoph Wölper
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) University of Duisburg-Essen Universitätsstrasse 5–7 45141 Essen Germany
| | - Gebhard Haberhauer
- Institute of Organic Chemistry, University of Duisburg-Essen Universitätsstrasse 5–7 45141 Essen Germany
| | - Stephan Schulz
- Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) University of Duisburg-Essen Universitätsstrasse 5–7 45141 Essen Germany
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18
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Mohapatra C, Darmandeh H, Steinert H, Mallick B, Feichtner K, Gessner VH. Synthesis of Low-Valent Dinuclear Group 14 Compounds with Element-Element Bonds by Transylidation. Chemistry 2020; 26:15145-15149. [PMID: 32954596 PMCID: PMC7756224 DOI: 10.1002/chem.202004242] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 12/04/2022]
Abstract
Dinuclear low-valent compounds of the heavy main group elements are rare species owing to their intrinsic reactivity. However, they represent desirable target molecules due to their unusual bonding situations as well as applications in bond activations and materials synthesis. The isolation of such compounds usually requires the use of substituents that provide sufficient stability and synthetic access. Herein, we report on the use of strongly donating ylide-substituents to access low-valent dinuclear group 14 compounds. The ylides not only impart steric and electronic stabilization, but also allow facile synthesis via transfer of an ylide from tetrylene precursors of type R Y2 E to ECl2 (E=Ge, Sn; R Y=TolSO2 (PR3 )C with R=Ph, Cy). This method allowed the isolation of dinuclear complexes amongst a germanium analogue of a vinyl cation, [(Ph Y)2 GeGe(Ph Y)]+ with an electronic structure best described as a germylene-stabilized GeII cation and a ylide(chloro)digermene [Cy Y(Cl)GeGe(Cl)Cy Y] with an unusually unsymmetrical structure.
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Affiliation(s)
- Chandrajeet Mohapatra
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Heidar Darmandeh
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Henning Steinert
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Bert Mallick
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Kai‐Stephan Feichtner
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Viktoria H. Gessner
- Chair of Inorganic Chemistry II, Faculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
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19
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Agarwal A, Bose SK. Bonding Relationship between Silicon and Germanium with Group 13 and Heavier Elements of Groups 14-16. Chem Asian J 2020; 15:3784-3806. [PMID: 33006219 DOI: 10.1002/asia.202001043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/30/2020] [Indexed: 11/10/2022]
Abstract
The topic of heavier main group compounds possessing multiple bonds is the subject of momentous interest in modern organometallic chemistry. Importantly, there is an excitement involving the discovery of unprecedented compounds with unique bonding modes. The research in this area is still expanding, particularly the reactivity aspects of these compounds. This article aims to describe the overall developments reported on the stable derivatives of silicon and germanium involved in multiple bond formation with other group 13, and heavier groups 14, 15, and 16 elements. The synthetic strategies, structural features, and their reactivity towards different nucleophiles, unsaturated organic substrates, and in small molecule activation are discussed. Further, their physical and chemical properties are described based on their spectroscopic and theoretical studies.
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Affiliation(s)
- Abhishek Agarwal
- Centre for Nano and Material Sciences (CNMS), JAIN (Deemed-to-be University) Jain Global Campus, Bangalore, 562112, India
| | - Shubhankar Kumar Bose
- Centre for Nano and Material Sciences (CNMS), JAIN (Deemed-to-be University) Jain Global Campus, Bangalore, 562112, India
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20
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Soleimani Purlak N, Kassaee MZ. New N – heterocyclic mono – and disilavinylidene iron – complexes by density functional theory. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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21
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Parambil PC, Perumal SSRR. Lewis Base/Acid Coordination Stabilizes Planar 6π Aromatic Si6/P6. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
| | - Sathya S. R. R. Perumal
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
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22
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Soleimani Purlak N, Kassaee MZ. From singlet R
2
Si silylene to triplet R
2
Si═Si ground state by DFT. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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23
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Ayoubi‐Chianeh M, Kassaee MZ. Toward triplet disilavinylidenes: A Hammett electronic survey for substituent effects on singlet‐triplet energy gaps of silylenes by DFT. J PHYS ORG CHEM 2019. [DOI: 10.1002/poc.3988] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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24
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Sharma MK, Blomeyer S, Neumann B, Stammler HG, Ghadwal RS. Crystalline Divinyldiarsenes and Cleavage of the As=As Bond. Chemistry 2019; 25:8249-8253. [PMID: 31017700 DOI: 10.1002/chem.201901857] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Indexed: 11/07/2022]
Abstract
The first divinyldiarsenes [{(NHC)C(Ph)}As]2 (NHC=IPr 3 a, SIPr 3 b; IPr=C{(NAr)CH}2 ; SIPr=C{(NAr)CH2 }2 ; Ar=2,6-iPr2 C6 H3 ) are reported. Compounds 3 a and 3 b were prepared by the reduction of corresponding chlorides {(NHC)C(Ph)}AsCl2 (NHC=IPr 2 a, SIPr 2 b) with Mg. Calculations revealed a small HOMO-LUMO energy gap of 3.86 (3 a) and 4.24 eV (3 b). Treatment of 3 a with (Me2 S)AuCl led to the cleavage of the As=As bond to restore 2 a, which is expected to proceed via the diarsane [{(IPr)C(Ph)}AsCl]2 (4). Remarkably, 4 as well as 2 a can be selectively accessed on treatment of 3 a with an appropriate amount of C2 Cl6 . Moreover, 3 a readily reacts with PhEEPh (E=Se or Te) at room temperature to give {(IPr)C(Ph)}As(EPh)2 (E=Se 5 a; Te 5 b), revealing the cleavage of As=As and E-E bonds and the formation of As-E bonds. Such highly selective stepwise oxidation (3 a→4→2 a) and bond metathesis (3 a→5 a,b) reactions are unprecedented in main-group chemistry.
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Affiliation(s)
- Mahendra K Sharma
- Anorganische Molekülchemie und Katalyse, Lehrstuhl für Anorganische Chemie und Strukturchemie, Centrum für Molekulare Materialien, Fakultät für Chemie, Universität Bielefeld, Universitätsstr. 25, 33615, Bielefeld, Germany
| | - Sebastian Blomeyer
- Anorganische Molekülchemie und Katalyse, Lehrstuhl für Anorganische Chemie und Strukturchemie, Centrum für Molekulare Materialien, Fakultät für Chemie, Universität Bielefeld, Universitätsstr. 25, 33615, Bielefeld, Germany
| | - Beate Neumann
- Anorganische Molekülchemie und Katalyse, Lehrstuhl für Anorganische Chemie und Strukturchemie, Centrum für Molekulare Materialien, Fakultät für Chemie, Universität Bielefeld, Universitätsstr. 25, 33615, Bielefeld, Germany
| | - Hans-Georg Stammler
- Anorganische Molekülchemie und Katalyse, Lehrstuhl für Anorganische Chemie und Strukturchemie, Centrum für Molekulare Materialien, Fakultät für Chemie, Universität Bielefeld, Universitätsstr. 25, 33615, Bielefeld, Germany
| | - Rajendra S Ghadwal
- Anorganische Molekülchemie und Katalyse, Lehrstuhl für Anorganische Chemie und Strukturchemie, Centrum für Molekulare Materialien, Fakultät für Chemie, Universität Bielefeld, Universitätsstr. 25, 33615, Bielefeld, Germany
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25
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Li W, Kundu S, Köhler C, Li J, Dutta S, Yang Z, Stalke D, Herbst-Irmer R, Stückl AC, Schwederski B, Koley D, Kaim W, Roesky HW. Cyclic Alkyl(amino) Carbene-Stabilized Monoradicals of Organosilicon(IV) Compounds with Small Substituents. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00041] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Wenling Li
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Subrata Kundu
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Christian Köhler
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Jiancheng Li
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Sayan Dutta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741 246, India
| | - Zhi Yang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Dietmar Stalke
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Regine Herbst-Irmer
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - A. Claudia Stückl
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Brigitte Schwederski
- Institut für Anorganische Chemie, Universität Stuttgart, 70569 Stuttgart, Germany
| | - Debasis Koley
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741 246, India
| | - Wolfgang Kaim
- Institut für Anorganische Chemie, Universität Stuttgart, 70569 Stuttgart, Germany
| | - Herbert W. Roesky
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
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26
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Muessig JH, Thaler M, Dewhurst RD, Paprocki V, Seufert J, Mattock JD, Vargas A, Braunschweig H. Phosphanstabilisierte Diioddiborene: Isolierbare Diborene mit sechs labilen Bindungen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814230] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jonas H. Muessig
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Melanie Thaler
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Rian D. Dewhurst
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Valerie Paprocki
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Jens Seufert
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - James D. Mattock
- Department of ChemistrySchool of Life SciencesUniversity of Sussex Brighton BN1 9QJ Sussex UK
| | - Alfredo Vargas
- Department of ChemistrySchool of Life SciencesUniversity of Sussex Brighton BN1 9QJ Sussex UK
| | - Holger Braunschweig
- Institut für Anorganische ChemieJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für nachhaltige Chemie & Katalyse mit BorJulius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
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27
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Iwamoto T, Abe T, Sugimoto K, Hashizume D, Matsui H, Kishi R, Nakano M, Ishida S. A Tetrasilicon Analogue of Bicyclo[1.1.0]but‐1(3)‐ene Containing a Si=Si Double Bond with an Inverted Geometry. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900824] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Takeaki Iwamoto
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
| | - Takashi Abe
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
| | - Kunihisa Sugimoto
- Japan Synchrotron Radiation Research Institute (JASRI) Sayo-gun Hyogo 679-5148 Japan
| | - Daisuke Hashizume
- RIKEN Center for Emergent Matter Science (CEMS) 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Hiroshi Matsui
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Ryohei Kishi
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Masayoshi Nakano
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Shintaro Ishida
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
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28
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Iwamoto T, Abe T, Sugimoto K, Hashizume D, Matsui H, Kishi R, Nakano M, Ishida S. A Tetrasilicon Analogue of Bicyclo[1.1.0]but‐1(3)‐ene Containing a Si=Si Double Bond with an Inverted Geometry. Angew Chem Int Ed Engl 2019; 58:4371-4375. [DOI: 10.1002/anie.201900824] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Takeaki Iwamoto
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
| | - Takashi Abe
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
| | - Kunihisa Sugimoto
- Japan Synchrotron Radiation Research Institute (JASRI) Sayo-gun Hyogo 679-5148 Japan
| | - Daisuke Hashizume
- RIKEN Center for Emergent Matter Science (CEMS) 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Hiroshi Matsui
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Ryohei Kishi
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Masayoshi Nakano
- Department of Materials Engineering ScienceGraduate School of Engineering ScienceOsaka University Toyonaka Osaka 560-8531 Japan
| | - Shintaro Ishida
- Department of ChemistryGraduate School of ScienceTohoku University Aoba-ku Sendai 980-8578 Japan
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29
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Muessig JH, Thaler M, Dewhurst RD, Paprocki V, Seufert J, Mattock JD, Vargas A, Braunschweig H. Phosphine-Stabilized Diiododiborenes: Isolable Diborenes with Six Labile Bonds. Angew Chem Int Ed Engl 2019; 58:4405-4409. [PMID: 30719809 DOI: 10.1002/anie.201814230] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Indexed: 01/22/2023]
Abstract
The lability of B=B, B-P, and B-halide bonds is combined in the syntheses of the first diiododiborenes. In a series of reactivity tests, these diiododiborenes undergo cleavage of all six of their central bonds in different ways, leading to products of B=B hydrogenation and dihalogenation as well as halide exchange.
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Affiliation(s)
- Jonas H Muessig
- 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
| | - Melanie Thaler
- 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
| | - Rian D Dewhurst
- 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
| | - Jens Seufert
- 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
| | - James D Mattock
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, Sussex, UK
| | - Alfredo Vargas
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, Sussex, UK
| | - 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
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30
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Krebs KM, Hanselmann D, Schubert H, Wurst K, Scheele M, Wesemann L. Phosphine-Stabilized Digermavinylidene. J Am Chem Soc 2019; 141:3424-3429. [DOI: 10.1021/jacs.8b13645] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Kilian M. Krebs
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Dominik Hanselmann
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Hartmut Schubert
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Kai Wurst
- Institut für Physikalische und Theoretische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Marcus Scheele
- Institut für Physikalische und Theoretische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Lars Wesemann
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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31
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Stanford MW, Schweizer JI, Menche M, Nichol GS, Holthausen MC, Cowley MJ. Intercepting the Disilene-Silylsilylene Equilibrium. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201810056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Martin W. Stanford
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Julia I. Schweizer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Maximilian Menche
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Gary S. Nichol
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Max C. Holthausen
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Michael J. Cowley
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
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Stanford MW, Schweizer JI, Menche M, Nichol GS, Holthausen MC, Cowley MJ. Intercepting the Disilene-Silylsilylene Equilibrium. Angew Chem Int Ed Engl 2019; 58:1329-1333. [DOI: 10.1002/anie.201810056] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/25/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Martin W. Stanford
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Julia I. Schweizer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Maximilian Menche
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Gary S. Nichol
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Max C. Holthausen
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Michael J. Cowley
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
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33
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34
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Khan S, Roesky HW. Carbene-Stabilized Exceptional Silicon Halides. Chemistry 2018; 25:1636-1648. [DOI: 10.1002/chem.201801672] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Shabana Khan
- Department of Chemistry; Indian Institute of Science Education and Research Pune; Dr Homi Bhabha Road Pashan Pune 411008 India
| | - Herbert W. Roesky
- Institute of Inorganic Chemistry; Georg-August-Universität; Tammannstrasse 4 37077 Göttingen Germany
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35
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Marín M, Moreno JJ, Navarro‐Gilabert C, Álvarez E, Maya C, Peloso R, Nicasio MC, Carmona E. Synthesis, Structure and Nickel Carbonyl Complexes of Dialkylterphenyl Phosphines. Chemistry 2018; 25:260-272. [DOI: 10.1002/chem.201803598] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Indexed: 01/25/2023]
Affiliation(s)
- Mario Marín
- Departamento de Química InorgánicaUniversidad de Sevilla, Aptdo 1203 41071 Sevilla Spain
| | - Juan J. Moreno
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - Carlos Navarro‐Gilabert
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - Celia Maya
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - Riccardo Peloso
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - M. Carmen Nicasio
- Departamento de Química InorgánicaUniversidad de Sevilla, Aptdo 1203 41071 Sevilla Spain
| | - Ernesto Carmona
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Consejo Superior de Investigaciones Científicas (CSIC) and Universidad de Sevilla Avda. Américo Vespucio 49 41092 Sevilla Spain
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36
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Schweizer JI, Sturm AG, Porsch T, Berger M, Bolte M, Auner N, Holthausen MC. Reactions of Si 2Br 6with N-Heterocyclic Carbenes. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201800163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Julia I. Schweizer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Alexander G. Sturm
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Timo Porsch
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Matthias Berger
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Michael Bolte
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Norbert Auner
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Max C. Holthausen
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
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Nesterov V, Reiter D, Bag P, Frisch P, Holzner R, Porzelt A, Inoue S. NHCs in Main Group Chemistry. Chem Rev 2018; 118:9678-9842. [PMID: 29969239 DOI: 10.1021/acs.chemrev.8b00079] [Citation(s) in RCA: 523] [Impact Index Per Article: 87.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Since the discovery of the first stable N-heterocyclic carbene (NHC) in the beginning of the 1990s, these divalent carbon species have become a common and available class of compounds, which have found numerous applications in academic and industrial research. Their important role as two-electron donor ligands, especially in transition metal chemistry and catalysis, is difficult to overestimate. In the past decade, there has been tremendous research attention given to the chemistry of low-coordinate main group element compounds. Significant progress has been achieved in stabilization and isolation of such species as Lewis acid/base adducts with highly tunable NHC ligands. This has allowed investigation of numerous novel types of compounds with unique electronic structures and opened new opportunities in the rational design of novel organic catalysts and materials. This Review gives a general overview of this research, basic synthetic approaches, key features of NHC-main group element adducts, and might be useful for the broad research community.
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Affiliation(s)
- Vitaly Nesterov
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Dominik Reiter
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Prasenjit Bag
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Philipp Frisch
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Richard Holzner
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Amelie Porzelt
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
| | - Shigeyoshi Inoue
- Department of Chemistry, WACKER-Institute of Silicon Chemistry and Catalysis Research Center , Technische Universität München , Lichtenbergstrasse 4 , Garching bei München 85748 , Germany
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39
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Synthesis and Characterization of N-Heterocyclic Carbene-Coordinated Silicon Compounds Bearing a Fused-Ring Bulky Eind Group. INORGANICS 2018. [DOI: 10.3390/inorganics6010030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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40
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Frischhut S, Fässler TF. Synthesis of low-oxidation-state germanium clusters comprising a functional anchor group – synthesis and characterization of [(Ge0)5(Ge-R)3(Ge-(CH2)n-CHCH2)] with R = Si(SiMe3)3. Dalton Trans 2018; 47:3223-3226. [DOI: 10.1039/c8dt00321a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The first alkenyl-functionalized, uncharged deltahedral germanium clusters [{Si(SiMe3)3}3Ge9(CH2)nCHCH2] (n = 1 or 3) comprising five Ge0 atoms are presented.
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Affiliation(s)
- Sabine Frischhut
- Technische Universität München
- Department Chemie
- 85747 Garching
- Germany
| | - Thomas F. Fässler
- Technische Universität München
- Department Chemie
- 85747 Garching
- Germany
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41
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Yildiz CB. Reactivity of silagermenylidene toward nitrous oxide: a preliminary DFT study. J Mol Model 2017; 24:18. [DOI: 10.1007/s00894-017-3554-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 12/01/2017] [Indexed: 10/18/2022]
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Ghana P, Arz MI, Schnakenburg G, Straßmann M, Filippou AC. Metal–Silicon Triple Bonds: Access to [Si(η5-C5Me5)]+ from SiX2(NHC) and its Conversion to the Silylidyne Complex [TpMe(CO)2MoSi(η3-C5Me5)] (TpMe = κ3-N,N′,N″-hydridotris(3,5-dimethyl-1-pyrazolyl)borate). Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00665] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Priyabrata Ghana
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Marius I. Arz
- University of Bristol, School of Chemistry, Cantock’s Close, Bristol BS8 1TS, United Kingdom
| | - Gregor Schnakenburg
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Martin Straßmann
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Alexander C. Filippou
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
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Rottschäfer D, Blomeyer S, Neumann B, Stammler HG, Ghadwal RS. Silylene-Functionalized N-Heterocyclic Carbene (Si−NHC). Chemistry 2017; 24:380-387. [DOI: 10.1002/chem.201703530] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Dennis Rottschäfer
- Anorganische Molekülchemie und Katalyse am Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie; Universität Bielefeld; Universitätsstr. 25 33615 Bielefeld Germany
| | - Sebastian Blomeyer
- Anorganische Molekülchemie und Katalyse am Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie; Universität Bielefeld; Universitätsstr. 25 33615 Bielefeld Germany
| | - Beate Neumann
- Anorganische Molekülchemie und Katalyse am Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie; Universität Bielefeld; Universitätsstr. 25 33615 Bielefeld Germany
| | - Hans-Georg Stammler
- Anorganische Molekülchemie und Katalyse am Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie; Universität Bielefeld; Universitätsstr. 25 33615 Bielefeld Germany
| | - Rajendra S. Ghadwal
- Anorganische Molekülchemie und Katalyse am Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie; Universität Bielefeld; Universitätsstr. 25 33615 Bielefeld Germany
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Neumeyer F, Schweizer JI, Meyer L, Sturm AG, Nadj A, Holthausen MC, Auner N. Thermal Synthesis of Perchlorinated Oligosilanes: A Fresh Look at an Old Reaction. Chemistry 2017. [DOI: 10.1002/chem.201702224] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Felix Neumeyer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Julia I. Schweizer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Lioba Meyer
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Alexander G. Sturm
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Andor Nadj
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Max C. Holthausen
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
| | - Norbert Auner
- Institut für Anorganische Chemie; Goethe-Universität; Max-von-Laue-Strasse 7 60438 Frankfurt/Main Germany
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Yang T, Dangi BB, Kaiser RI, Chao K, Sun B, Chang AHH, Nguyen TL, Stanton JF. Gas‐Phase Formation of the Disilavinylidene (H
2
SiSi) Transient. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tao Yang
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
| | - Beni B. Dangi
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
- Department of Chemistry Florida A&M University Tallahassee FL 32307 USA
| | - Ralf I. Kaiser
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
| | - Kang‐Heng Chao
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Bing‐Jian Sun
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Agnes H. H. Chang
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Thanh Lam Nguyen
- Department of Chemistry University of Texas at Austin Austin TX 78712 USA
| | - John F. Stanton
- Department of Chemistry University of Texas at Austin Austin TX 78712 USA
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46
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Yang T, Dangi BB, Kaiser RI, Chao K, Sun B, Chang AHH, Nguyen TL, Stanton JF. Gas‐Phase Formation of the Disilavinylidene (H
2
SiSi) Transient. Angew Chem Int Ed Engl 2017; 56:1264-1268. [DOI: 10.1002/anie.201611107] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Tao Yang
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
| | - Beni B. Dangi
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
- Department of Chemistry Florida A&M University Tallahassee FL 32307 USA
| | - Ralf I. Kaiser
- Department of Chemistry University of Hawai'i at Manoa Honolulu HI 96822 USA
| | - Kang‐Heng Chao
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Bing‐Jian Sun
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Agnes H. H. Chang
- Department of Chemistry National Dong Hwa University Shoufeng Hualien 974 Taiwan
| | - Thanh Lam Nguyen
- Department of Chemistry University of Texas at Austin Austin TX 78712 USA
| | - John F. Stanton
- Department of Chemistry University of Texas at Austin Austin TX 78712 USA
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Kundu S, Samuel PP, Luebben A, Andrada DM, Frenking G, Dittrich B, Roesky HW. Carbene stabilized interconnected bis-germylene and its silicon analogue with small methyl substituents. Dalton Trans 2017; 46:7947-7952. [DOI: 10.1039/c7dt01796k] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An unique molecular example of interconnected bis-germylene with the smallest organic group stabilized by cyclic alkyl(amino) carbene.
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Affiliation(s)
- Subrata Kundu
- Universität Göttingen
- Institut für Anorganische Chemie
- Göttingen
- Germany
| | - Prinson P. Samuel
- Universität Göttingen
- Institut für Anorganische Chemie
- Göttingen
- Germany
| | - Anna Luebben
- Universität Göttingen
- Institut für Anorganische Chemie
- Göttingen
- Germany
| | - Diego M. Andrada
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Gernot Frenking
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
- Donostia International Physics Center (DIPC)
| | - Birger Dittrich
- Anorganische und Strukturchemie II
- Heinrich Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
| | - Herbert W. Roesky
- Universität Göttingen
- Institut für Anorganische Chemie
- Göttingen
- Germany
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Wacker Silicone Award: A. C. Filippou / Herman Skolnik Award: D. A. Winkler / Erwin Schrödinger Prize: C. Barner‐Kowollik. Angew Chem Int Ed Engl 2016; 55:14501. [DOI: 10.1002/anie.201609956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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Wacker Silicone Award: A. C. Filippou / Herman Skolnik Award: D. A. Winkler / Erwin-Schrödinger-Preis: C. Barner-Kowollik. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201609956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zhou YP, Karni M, Yao S, Apeloig Y, Driess M. A Bis(silylenyl)pyridine Zero-Valent Germanium Complex and Its Remarkable Reactivity. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201609520] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yu-Peng Zhou
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Miriam Karni
- Schulich Department of Chemistry and the Lise Meitner Minerva Center for Computational Chemistry; Technion, Israel Institute of Technology; Haifa 32000 Israel
| | - Shenglai Yao
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Yitzhak Apeloig
- Schulich Department of Chemistry and the Lise Meitner Minerva Center for Computational Chemistry; Technion, Israel Institute of Technology; Haifa 32000 Israel
| | - Matthias Driess
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
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