1
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Gasevic T, Kleine Büning JB, Grimme S, Bursch M. Benchmark Study on the Calculation of 207Pb NMR Chemical Shifts. Inorg Chem 2024; 63:5052-5064. [PMID: 38446045 PMCID: PMC10951955 DOI: 10.1021/acs.inorgchem.3c04539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/08/2024] [Accepted: 02/14/2024] [Indexed: 03/07/2024]
Abstract
A benchmark set for the computation of 207Pb nuclear magnetic resonance (NMR) chemical shifts is presented. The PbS50 set includes conformer ensembles of 50 lead-containing molecular compounds and their experimentally measured 207Pb NMR chemical shifts. Various bonding motifs at the Pb center with up to seven bonding partners are included. Six different solvents were used in the measurements. The respective shifts lie in the range between +10745 and -5030 ppm. Several calculation settings are assessed by evaluating computed 207Pb NMR shifts for the use with different density functional approximations (DFAs), relativistic approaches, treatment of the conformational space, and levels for geometry optimization. Relativistic effects were included explicitly with the zeroth order regular approximation (ZORA), for which only the spin-orbit variant was able to yield reliable results. In total, seven GGAs and three hybrid DFAs were tested. Hybrid DFAs significantly outperform GGAs. The most accurate DFAs are mPW1PW with a mean absolute deviation (MAD) of 429 ppm and PBE0 with an MAD of 446 ppm. Conformational influences are small as most compounds are rigid, but more flexible structures still benefit from Boltzmann averaging. Including explicit relativistic treatments such as SO-ZORA in the geometry optimization does not show any significant improvement over the use of effective core potentials (ECPs).
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Affiliation(s)
- Thomas Gasevic
- Mulliken
Center for Theoretical Chemistry, Clausius Institute for Physical
and Theoretical Chemistry, University of
Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Julius B. Kleine Büning
- Mulliken
Center for Theoretical Chemistry, Clausius Institute for Physical
and Theoretical Chemistry, University of
Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Stefan Grimme
- Mulliken
Center for Theoretical Chemistry, Clausius Institute for Physical
and Theoretical Chemistry, University of
Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Markus Bursch
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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2
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Pugliese ER, Benner F, Demir S. From an Isolable Bismolyl Anion to an Yttrium-Bismolyl Complex with μ-Bridging Bismuth(I) Centers and Polar Covalent Y-Bi Bonds. Chemistry 2023; 29:e202302687. [PMID: 37650379 DOI: 10.1002/chem.202302687] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/01/2023]
Abstract
The synthesis and first structural characterization of the [K(18-crown-6)] bismolyl Bitet (C4 Me4 Bi) contact ion pair (1) is presented. Notably, according to Natural Resonance Theory calculations, the Bitet anion of 1 features two types of leading mesomeric structures with localized anionic charge and two lone pairs of electrons at the BiI center, as well as delocalized anionic charge in the π-conjugated C4 Bi ring. The lone pairs at Bi enable a unique bridging coordination mode of the bismolyl ligand, as shown for the first rare earth metal bismolyl complex (Cptet 2 Y)2 (μ-η1 -Bitet )2 (2). The latter results from the salt metathesis reaction of KBitet with Cptet 2 Y(BPh4 ) (Cptet =C5 Me4 H). The Y-Bi bonding interaction in 2 of 16.6 % covalency at yttrium is remarkably large.
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Affiliation(s)
| | - Florian Benner
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
| | - Selvan Demir
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
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3
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Anila S, Suresh CH. Fulleride-metal η 5 sandwich and multi-decker sandwich complexes: A DFT prediction. J Comput Chem 2023; 44:199-208. [PMID: 35417041 DOI: 10.1002/jcc.26860] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/28/2022] [Accepted: 03/28/2022] [Indexed: 12/31/2022]
Abstract
The (C60 CN)- formed by the reaction of CN- with fullerene shows high electron rich character, very similar to C60 ˙- , and it behaves as a large anion. Similar to Cp- , the bulky anion, (C60 CN)- , acts as a strong η5 ligand towards transition metal centers. Previous studies on η5 coordination of fullerene cage are reported for pseudo fullerenes whereas the present study deals with sandwich complexes of (C60 CN)- with Fe(II), Ru(II), Cr(II), Mo(II), and Ni(II) and multi-decker sandwich complexes of CN-fullerides with Fe(II). The structural parameters of these complexes and the corresponding Cp- complexes showed very close resemblance. Analysis of the metal-to-carbon bonding molecular orbitals showed that sandwich complex [Fe(η5 -(C60 CN)- )2 ] exhibit bonding features very similar to that of ferrocene. Also, a 6-fold decrease in the band gap energy is observed for [Fe(η5 -(C60 CN)- )2 ] compared to ferrocene. The energy of dissociation (ΔE) of the ligand (C60 CN)- from [Fe(η5 -(C60 CN)- )2 ] is slightly lower than the ΔE of a Cp* ligand from a ferrocene derivative wherein each cyclopentadienyl unit is substituted with four tertiary butyl groups. The (C60 CN)- ligand behaved as one of the bulkiest ligands in the chemistry of sandwich complexes. Further, the coordinating ability of the dianion, (C60 (CN)2 )2- is evaluated which showed strong coordination ability simultaneously with two metal centers leading to the formation of multi-decker sandwich and pearl-necklace type polymeric structures.
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Affiliation(s)
- Sebastian Anila
- Chemical Sciences and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Cherumuttathu H Suresh
- Chemical Sciences and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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4
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FUJIMORI S, MIZUHATA Y, TOKITOH N. Recent progress in the chemistry of heavy aromatics. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2023; 99:480-512. [PMID: 38072454 PMCID: PMC10822718 DOI: 10.2183/pjab.99.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/25/2023] [Indexed: 12/18/2023]
Abstract
The aromaticity and synthetic application of "heavy benzenes", i.e., benzenes containing a heavier Group 14 element (Si, Ge, Sn, and Pb) in place of skeletal carbon, have been the targets of many theoretical and synthetic studies. Although the introduction of a sterically demanding substituent enabled us to synthesize and isolate heavy aromatic species as a stable compound by suppressing their high reactivity and tendency to polymerize, the existence of a protection group is an obstruction to the development of functional materials based on heavy aromatics. This review will delineate the most recent topics in the chemistry of heavy aromatics, i.e., the chemistry of "metallabenzenyl anions", which are the heavier Group 14 element analogs of phenyl anions stabilized by taking advantage of charge repulsion instead of steric protection.
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Affiliation(s)
- Shiori FUJIMORI
- Institute for Chemical Research, Kyoto University, Kyoto, Japan
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5
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Diaz-Rodriguez RM, Kitos AA, Murugesu M. Expanding the series of alkali metal plumbolyl complexes to Na and K. Dalton Trans 2022; 51:14420-14428. [PMID: 36129130 DOI: 10.1039/d2dt02615e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we detail the straightforward and scalable synthesis of sodium and potassium complexes of the 2,5-bis(tert-butyldimethylsilyl)-3,4-diphenylplumbolyl dianion (PblTBS,Ph). Their solid-state structures were found to comprise either monomeric solvates or coordination polymers depending on the alkali metal ion and crystallization medium. These complexes were readily prepared with high yields and purity compared to known routes to the dilithium congener of PblTBS,Ph and are well-positioned to serve as convenient precursors for salt metathesis-type reactions leading to metal complexes of the understudied PblTBS,Ph ligand.
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Affiliation(s)
- Roberto M Diaz-Rodriguez
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
| | - Alexandros A Kitos
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
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6
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Sun X, Münzfeld L, Jin D, Hauser A, Roesky PW. Silole and germole complexes of lanthanum and cerium. Chem Commun (Camb) 2022; 58:7976-7979. [PMID: 35758854 DOI: 10.1039/d2cc02810g] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using dianionic metallole ligands (silole or germole) and the cyclooctatetraendiide dianion, heteroleptic lanthanide multi-decker complexes have been prepared. Due to the heteroatom of the metallole ligands intermolecular bridging between the sandwich complexes takes place. Our work highlights that different combinations of the lanthanide and heterocycle lead to different intermolecular interactions including a dimeric La-silole sandwich complex, a La-germole ladder-type polymeric species and a Ce-germole coordination polymer.
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Affiliation(s)
- Xiaofei Sun
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany.
| | - Luca Münzfeld
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany.
| | - Da Jin
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany.
| | - Adrian Hauser
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany.
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany.
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7
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Münzfeld L, Sun X, Schlittenhardt S, Schoo C, Hauser A, Gillhuber S, Weigend F, Ruben M, Roesky PW. Introduction of plumbole to f-element chemistry. Chem Sci 2022; 13:945-954. [PMID: 35211259 PMCID: PMC8790777 DOI: 10.1039/d1sc03805b] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/28/2021] [Indexed: 12/14/2022] Open
Abstract
Herein, we present the synthesis and characterization of heteroleptic lanthanide complexes bearing a dianionic η5-plumbole ligand in their coordination sphere. The reaction proceeds via a salt elimination reaction between the dilithioplumbole ([Li(thf)]2[1,4-bis-tert-butyl-dimethylsilyl-2,3-bis-phenyl-plumbolyl] = [Li2(thf)2(η5-LPb)]) and specifically designed [Ln(η8-COTTIPS)BH4] precursors (Ln = lanthanide, La, Ce, Sm, Er; COTTIPS = 1,4-bis-triisopropylsilyl-cyclooctatetraenyl), that are capable of stabilizing a planar plumbole moiety in the coordination sphere of different trivalent lanthanide ions. In-depth ab initio calculations show that the aromaticity of the dianionic plumbole is retained upon coordination. Electron delocalization occurs from the plumbole HOMO to an orbital of mainly d-character at the lanthanide ion. The magnetic properties of the erbium congener were investigated in detail, leading to the observation of magnetic hysteresis up to 5 K (200 Oe s-1), an unequivocal proof for single molecule magnet behavior in this system. The magnetic behavior of the erbium species can be modulated by manipulating the position of the lithium cation in the complex, which directly influences the bonding metrics in the central [(η5-LPb)Er(η8-COTTIPS)]- fragment. This allowed us to assess a fundamental magneto-structural correlation in an otherwise identical inner coordination sphere.
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Affiliation(s)
- Luca Münzfeld
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
| | - Xiaofei Sun
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
| | - Sören Schlittenhardt
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 D-76344 Eggenstein-Leopoldshafen Germany
| | - Christoph Schoo
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
| | - Adrian Hauser
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
| | - Sebastian Gillhuber
- Institute of Physical Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
| | - Florian Weigend
- Fachbereich Chemie, Philipps-Universität Marburg Hans-Meerwein-Straße 4 D-35032 Marburg Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 D-76344 Eggenstein-Leopoldshafen Germany
- Centre Européen de Science Quantique (CESQ), Institut de Science et d'Ingénierie Supramoléculaires (ISIS, UMR 7006), CNRS-Université de Strasbourg 8 allée Gaspard Monge BP 70028 67083 Strasbourg Cedex France
- Institute of Quantum Materials and Technologies (IQMT), Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
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8
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Sun X, Singh AK, Yadav R, Jin D, Haimerl M, Scheer M, Roesky PW. Triple-decker complexes incorporating three distinct deck architectures. Chem Commun (Camb) 2021; 58:673-676. [PMID: 34919113 DOI: 10.1039/d1cc06182h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The reactivity of the dilithioplumbole ([Li2(thf)2(μ,η5-LPb)], LPb = 1,4-bis-tert-butyl-dimethylsilyl-2,3-bis-phenyl-plumbolyl) towards the reactive pnictogen precursors P4, pentaphosphaferrocene, and pentaarsaferrocene ([Cp*Fe(η5-E5)] (Cp* = η5-C5Me5, E = P, As)) is reported. The reaction with P4 afforded a phospholyl lithium complex, via lead-phosphorus exchange, while the reactions with [Cp*Fe(η5-E5)] yielded the first examples of Pb-Fe-Li heterotrimetallic triple-decker polypnictogenides with three different deck motifs.
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Affiliation(s)
- Xiaofei Sun
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, Karlsruhe, 76131, Germany.
| | - Akhil Kumar Singh
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, Karlsruhe, 76131, Germany.
| | - Ravi Yadav
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, Karlsruhe, 76131, Germany.
| | - Da Jin
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, Karlsruhe, 76131, Germany.
| | - Maria Haimerl
- Institute of Inorganic Chemistry, University of Regensburg, Regensburg 93040, Germany
| | - Manfred Scheer
- Institute of Inorganic Chemistry, University of Regensburg, Regensburg 93040, Germany
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, Karlsruhe, 76131, Germany.
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9
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Huang Z, Zheng Y, Zhong M. Transmetalation Reactions of Aromatic Dilithionickelole: Synthesis of Heterobimetallic Complexes Featuring Metalloles as Diene Ligands. Chemistry 2021; 27:15967-15972. [PMID: 34569115 DOI: 10.1002/chem.202102037] [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: 06/09/2021] [Indexed: 11/08/2022]
Abstract
The aromatic metallole dianions are important metallaaromatic compounds because of their various reactivities and extensive synthetic applications. Herein we report the reactions of dilithionickelole with MgCl2 , EtAlCl2 , Cp*ScCl2 , Cp*LuCl2 and Pt(COD)Cl2 (COD=1,5-cyclooctadiene) affording a series of Ni/M heterobimetallic complexes of the general formula (η4 -C4 R4 M)Ni(COD), in which the metalloles act as diene ligands, as suggested by single-crystal X-ray, NMR and theoretical analyses. In these reactions, two electrons of the nickelole dianion transferred to Ni, representing different reactivity compared with main-group metallole dianions.
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Affiliation(s)
- Zhe Huang
- College of Chemistry, Peking University, Beijing, 100871, China
| | - Yu Zheng
- College of Chemistry, Peking University, Beijing, 100871, China
| | - Mingdong Zhong
- College of Chemistry, Peking University, Beijing, 100871, China.,Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry, Tianjin Normal University, Tianjin, 300387, China
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10
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Liu J, Singh K, Dutta S, Feng Z, Koley D, Tan G, Wang X. Yttrium germole dianion complexes with Y-Ge bonds. Dalton Trans 2021; 50:5552-5556. [PMID: 33908995 DOI: 10.1039/d1dt00798j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reactions of dipotassium 3,4-dimethyl-2,5-bis(trimethylsilyl)-germole dianion K2[1] with YCl3 and Cp*YCl2 (Cp* = cyclopentadienyl) in THF at room temperature afforded the dianion salt [(K-cryptand-222)2][1-YCl3] (K2[2]) and the dimeric complex [1-Y-Cp*]2 (3), respectively. While the polymeric complex {[(1)2-Y-K(toluene)]2}n (4) was obtained from the reaction of K2[1] and half molar equivalent of YCl3(THF)3.5 in toluene at 80 °C. The germole dianions in complexes 3 and 4 feature η5/η1 coordination interactions with the yttrium atoms. They represent the first examples of rare earth (RE) complexes containing RE-Ge bonds other than the RE-GeR3 structural type.
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Affiliation(s)
- Jingjing Liu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Kalyan Singh
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India.
| | - Sayan Dutta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India.
| | - Zhongtao Feng
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Debasis Koley
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India.
| | - Gengwen Tan
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xinping Wang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
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11
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Wang H, Ruan Y, Lin YM, Xia H. Direct amidation of metallaaromatics: access to N-functionalized osmapentalynes via a 1,5-bromoamidated intermediate. Chem Sci 2021; 12:6315-6322. [PMID: 34084429 PMCID: PMC8115065 DOI: 10.1039/d1sc01571k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The direct C–H amidation or imidation of metallaaromatics with N-bromoamides or imides has been achieved under mild conditions and leads to the formation of a family of N-functionalized metallapentalyne derivatives. A unique 1,5-bromoamidated species has been identified, and can be viewed as a σH-adduct intermediate in a nucleophilic aromatic substitution. The 1,5-addition of both electrophilic and nucleophilic moieties into the metallaaromatic framework demonstrates a novel pathway in contrast to the typical radical process of arene C–H amidation involving N-haloamide reagents. The direct C–H amidation of metallapentalyne has been achieved under mild conditions in which key 1,5-bromoamidated intermediates was determined.![]()
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Affiliation(s)
- Hongjian Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 China
| | - Yonghong Ruan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 China
| | - Yu-Mei Lin
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 China
| | - Haiping Xia
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 China .,Shenzhen Grubbs Institute, Department of Chemistry, Southern University of Science and Technology Shenzhen 518055 China
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12
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Takemoto S, Yoshii K, Yamano T, Tsurusaki A, Matsuzaka H. Metal-metal multiple bond formation induced by σ-acceptor Lewis acid ligands. Chem Commun (Camb) 2021; 57:923-926. [PMID: 33393949 DOI: 10.1039/d0cc07278h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of [Cp*Ru(μ-NHPh)]2 (Cp* = η5-C5Me5) with Lewis acids of the type MX2 (M = Zn, Sn, Pb; X = Cl, OTf) affords Ru2 → M donor-acceptor adducts characterized as π complexes of a Ru[double bond, length as m-dash]Ru double bond with M(ii) Lewis acids. The results illustrate for the first time the ability of σ-acceptor Lewis acid ligands to induce the formation of a metal-metal multiple bond via stabilizing dative interactions.
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Affiliation(s)
- Shin Takemoto
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan.
| | - Kaname Yoshii
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan.
| | - Takahiro Yamano
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan.
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan.
| | - Hiroyuki Matsuzaka
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan.
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13
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Abstract
Since the prediction of the existence of metallabenzenes in 1979, metallaaromatic chemistry has developed rapidly, due to its importance in both experimental and theoretical fields. Now six major types of metallaromatic compounds, metallabenzenes, metallabenzynes, heterometallaaromatics, dianion metalloles, metallapentalenes and metallapentalynes (also termed carbolongs), and spiro metalloles, have been reported and extensively studied. Their parent organic analogues may be aromatic, non-aromatic, or even anti-aromatic. These unique systems not only enrich the large family of aromatics, but they also broaden our understanding and extend the concept of aromaticity. This review provides a comprehensive overview of metallaaromatic chemistry. We have focused on not only the six major classes of metallaaromatics, including the main-group-metal-based metallaaromatics, but also other types, such as metallacyclobutadienes and metallacyclopropenes. The structures, synthetic methods, and reactivities are described, their applications are covered, and the challenges and future prospects of the area are discussed. The criteria commonly used to judge the aromaticity of metallaaromatics are presented.
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Affiliation(s)
- Dafa Chen
- Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Yuhui Hua
- Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China.,State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Haiping Xia
- Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China.,State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
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14
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Heitkemper T, Naß L, Sindlinger CP. 2,5-Bis-trimethylsilyl substituted boroles. Dalton Trans 2020; 49:2706-2714. [PMID: 32049092 DOI: 10.1039/d0dt00393j] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This manuscript includes a comprehensive study of the synthesis and spectroscopic features of 2,5-disilyl boroles.
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Affiliation(s)
| | - Leonard Naß
- Institut für Anorganische Chemie
- 37077 Göttingen
- Germany
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15
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Saito M, Nakada M, Kuwabara T, Owada R, Furukawa S, Narayanan R, Abe M, Hada M, Tanaka K, Yamamoto Y. Inverted Sandwich Rh Complex Bearing a Plumbole Ligand and Its Catalytic Activity. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00339] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Masaichi Saito
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Marisa Nakada
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Takuya Kuwabara
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Ryota Owada
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Shunsuke Furukawa
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Radhika Narayanan
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minami-Osawa, Hachi-Oji, Tokyo 192-0397, Japan
| | - Minori Abe
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minami-Osawa, Hachi-Oji, Tokyo 192-0397, Japan
| | - Masahiko Hada
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minami-Osawa, Hachi-Oji, Tokyo 192-0397, Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furocho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
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16
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Kuwabara T, Tezuka R, Ishikawa M, Yamazaki T, Kodama S, Ishii Y. Ring Slippage and Dissociation of Pentamethylcyclopentadienyl Ligand in an (η5-Cp*)Ir Complex with a κ3-O,C,O Tridentate Calix[4]arene Ligand under Mild Conditions. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00257] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takuya Kuwabara
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
| | - Ryogen Tezuka
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
| | - Mikiya Ishikawa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
| | - Takuya Yamazaki
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
| | - Shintaro Kodama
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
| | - Youichi Ishii
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga,
Bunkyo-ku, Tokyo 112-8551 Japan
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17
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Dong Z, Janka O, Kösters J, Schmidtmann M, Müller T. A Dimeric η 1 ,η 5 -Germole Dianion Bridged Titanium(III) Complex with a Multicenter Ti-Ge-Ge-Ti Bond. Angew Chem Int Ed Engl 2018; 57:8634-8638. [PMID: 29733486 DOI: 10.1002/anie.201804447] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Indexed: 11/07/2022]
Abstract
Dimeric germole dianion bridged TiIII and ZrIV complexes have been synthesized. In these complexes, the germole dianion adopts a formal η1 ,η5 coordination to the two metal centers. The bonding situation in these bridged dimers is dominated by a covalent Ge-Ge interaction that results, for example, in a strong antiferromagnetic coupling of the d1 Ti centers.
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Affiliation(s)
- Zhaowen Dong
- Institut für Chemie, Carl von Ossietzky Universität Oldenburg, Carl von Ossietzky-Str. 9-11, 26129, Oldenburg, Germany
| | - Oliver Janka
- Institut für Chemie, Carl von Ossietzky Universität Oldenburg, Carl von Ossietzky-Str. 9-11, 26129, Oldenburg, Germany
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, 48149, Münster, Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, 48149, Münster, Germany
| | - Marc Schmidtmann
- Institut für Chemie, Carl von Ossietzky Universität Oldenburg, Carl von Ossietzky-Str. 9-11, 26129, Oldenburg, Germany
| | - Thomas Müller
- Institut für Chemie, Carl von Ossietzky Universität Oldenburg, Carl von Ossietzky-Str. 9-11, 26129, Oldenburg, Germany
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18
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Dong Z, Janka O, Kösters J, Schmidtmann M, Müller T. A Dimeric η
1
,η
5
‐Germole Dianion Bridged Titanium(III) Complex with a Multicenter Ti−Ge−Ge−Ti Bond. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804447] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhaowen Dong
- Institut für Chemie Carl von Ossietzky Universität Oldenburg Carl von Ossietzky-Str. 9–11 26129 Oldenburg Germany
| | - Oliver Janka
- Institut für Chemie Carl von Ossietzky Universität Oldenburg Carl von Ossietzky-Str. 9–11 26129 Oldenburg Germany
- Institut für Anorganische und Analytische Chemie Westfälische Wilhelms-Universität Münster Corrensstraße 30 48149 Münster Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie Westfälische Wilhelms-Universität Münster Corrensstraße 30 48149 Münster Germany
| | - Marc Schmidtmann
- Institut für Chemie Carl von Ossietzky Universität Oldenburg Carl von Ossietzky-Str. 9–11 26129 Oldenburg Germany
| | - Thomas Müller
- Institut für Chemie Carl von Ossietzky Universität Oldenburg Carl von Ossietzky-Str. 9–11 26129 Oldenburg Germany
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19
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Saito M. Transition-Metal Complexes Featuring Dianionic Heavy Group 14 Element Aromatic Ligands. Acc Chem Res 2018; 51:160-169. [PMID: 29260848 DOI: 10.1021/acs.accounts.7b00367] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The synthesis of dilithio-stannoles and -plumboles, dianionic aromatic compounds containing tin and lead atoms in their π-skeletons, opened a new field of transition-metal chemistry. Since the discovery of ferrocene (Cp2Fe), which is composed of anionic aromatic ligands (Cp: cyclopentadienyl) and Fe(II), ferrocene-type sandwich complexes have long played important roles in many fields of chemistry. During the last few decades, the electronic and structural properties of the Cp ligand have been modified by introducing electron-donating, electron-withdrawing, and sterically encumbered substituents on the skeletal carbon atoms to obtain desirable properties of the resulting sandwich complexes. In terms of modifying the Cp ligand, we focused our attention on introducing a heavy group 14 atom into the π-skeleton. This idea was originally inspired by a question of whether or not aromaticity was retained after the replacement of a skeletal carbon atom by a heavy group 14 atom. After we succeeded in the synthesis of aromatic dilithio-stannoles and -plumboles, revealing that the concept of conventional aromaticity was expanded to lead-containing π-systems, we undertook the present project on applying these dianionic aromatic heavy Cp analogues as ligands for transition-metal complexes. The combination of a stannole and Cp*Ru units accomplished the creation of a neutral triple-decker complex and an anionic ruthenocene, which was not be accessible using Cp and its related ligands that are composed of only carbon atoms. The anionic ruthenocene reacted with electrophiles to afford ruthenocene-type sandwich complexes, and the structures of the stannole skeletons were highly dependent on the substituents on the tin atoms, in sharp contrast to the planar Cp ligand. The dianionic plumbole ligand was also found to function as an η5-coordinating ligand in an anionic ruthenocene, which is noteworthy in terms of incorporating the heaviest group 14 atom into a π-ligand to produce a ferrocene-type sandwich complex. The anionic ruthenocene bearing the plumbole ligand reacted with electrophiles to afford ruthenocene-type plumbole complexes, which have oxidation potentials lower than those of the corresponding tin analogues, demonstrating the effect of introduction of a lead atom heavier than a tin atom. In the reactions of dilithiostannoles with group 4 metals, the resulting complexes were found to have exotic electronic structures that cannot be constructed by the Cp ligand. The transition-metal complexes derived from dilithio-stannoles and -plumbole therefore exhibit remarkable differences as well as similarities to the traditional Cp-based transition-metal complexes. These results spotlight the introduction of heavy group 14 atoms into carbon-based π-skeletons, which can perturb the electronic properties of conventional transition-metal complexes and open a new chemistry of transition-metal complexes.
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Affiliation(s)
- Masaichi Saito
- Department of Chemistry,
Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
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20
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Fujimori S, Mizuhata Y, Tokitoh N. Ru-Complexes of an anionic germabenzenyl ligand. Chem Commun (Camb) 2018; 54:8044-8047. [DOI: 10.1039/c8cc02845a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Complexation of germabenzenylpotassium [KGeC5(t-Bu)H4] with [Cp*RuCl]4 resulted in the formation of two types of ruthenium complexes having unique coordination modes.
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Affiliation(s)
- Shiori Fujimori
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Yoshiyuki Mizuhata
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
- Integrated Research Consortium on Chemical Sciences
| | - Norihiro Tokitoh
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
- Integrated Research Consortium on Chemical Sciences
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