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Bugarin A, Patil SA, Tran RQ, Marichev KO. Metal complexes of backbone-halogenated imidazol-2-ylidenes. Inorganica Chim Acta 2024; 572:122263. [PMID: 39156221 PMCID: PMC11326507 DOI: 10.1016/j.ica.2024.122263] [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] [Indexed: 08/20/2024]
Abstract
In this manuscript, literature reports on mono- and di-halogen (F, Cl, Br, and I) substituted at positions 4 or/and 4,5 imidazol-2-ylidene (NHC) metal complexes are discussed: particularly, their structural diversity with various metals (groups 6-13), important physicochemical properties, catalytic and medicinal/biological applications are reviewed. To our knowledge, there are no literature reports on group 4 and 5 metal complexes with this type of NHC ligands. Halogenated imidazol-2-ylidene metal complexes deserve special attention because halogens are the classic electron donating groups (mesomerically) in conjugated aromatic/heteroaromatic ring systems, but electron withdrawing inductively. However, they exhibit a significant electron withdrawing inductive effect, thus providing unique electronic properties. This is important for fine tuning of σ-donor abilities of the "carbenic" carbon of imidazol-2-ylidenes, which directly affect catalytic performance of their metal complexes. Other applications, advantages, and disadvantages of halogenated vs. unsubstituted imidazol-2-ylidene metal complexes are critically analyzed and summarized in this review.
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Affiliation(s)
- Alejandro Bugarin
- Department of Chemistry and Physics, Florida Gulf Coast University, Fort Myers, FL, USA
| | - Siddappa A. Patil
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Kanakapura, Bangalore, Karnataka, India
| | - Ryan Q. Tran
- Department of Chemistry, Georgia State University, Atlanta, GA, USA
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2
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Musso JV, Gebel P, Gramm V, Frey W, Buchmeiser MR. Tungsten Oxo and Tungsten Imido Alkylidene N-Heterocyclic Carbene Complexes for the Visible-Light-Induced Ring-Opening Metathesis Polymerization of Dicyclopentadiene. Macromolecules 2023. [DOI: 10.1021/acs.macromol.3c00128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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3
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Jiang N, Chen S, Wang J, He C, Fang K, Yin H, Liu Y, Li Y, Yu D. Smart thermally responsive perovskite materials: Thermo-chromic application and density function theory calculation. Heliyon 2023; 9:e12845. [PMID: 36704277 PMCID: PMC9871234 DOI: 10.1016/j.heliyon.2023.e12845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/23/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
With the continuous improvement of human's requirements for temperature control suitable for living, the energy consumption of electrical appliances such as air conditioners has become a major challenge in traditional architectural design. Generally, most of the solar energy passes through the glass to enter and exit the building, but the traditional glass can hardly control the light and heat energy, causing the indoor temperature to change dramatically with the environment. Therefore, it is more urgent to develop green and efficient smart windows. Perovskite is a temperature-adaptive material, which has the ability of phase transition and can adjust its band gap for thermochromic applications. In this work, we study the perovskite-based thermochromic smart window. As a new application of perovskite, a number of experiments have been carried out. However, there is still a lack of theoretical analysis on phase transition mechanisms and crystal structure prediction. Density functional theory (DFT) calculation is the most useful tool in optoelectronics, especially for perovskite crystal. Here, we extracted typical cases from published literature for analysis and comparison and summarized the crystal structure, electronic structure stability, interface engineering, and thermal characteristics employing DFT calculation We believe this work will pave the way for DFT application for the study of thermochromic perovskite.
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Affiliation(s)
- Ning Jiang
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Shuming Chen
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Jintao Wang
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Chenyang He
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun, Jilin Province, China
| | - Kai Fang
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun, Jilin Province, China
| | - Hanlin Yin
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Yitong Liu
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
| | - Ye Li
- College of Physics, Changchun University of Science and Technology, Changchun, Jilin Province, China
- Corresponding author.
| | - Duan Yu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun, Jilin Province, China
- Corresponding author.
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4
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Musso JV, De Jesus Silva J, Benedikter MJ, Groos J, Frey W, Copéret C, Buchmeiser MR. Cationic molybdenum oxo alkylidenes stabilized by N-heterocyclic carbenes: from molecular systems to efficient supported metathesis catalysts. Chem Sci 2022; 13:8649-8656. [PMID: 35974748 PMCID: PMC9337747 DOI: 10.1039/d2sc03321f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 07/04/2022] [Indexed: 01/14/2023] Open
Abstract
Cationic d0 group 6 olefin metathesis catalysts have been recently shown to display in most instances superior activity in comparison to their neutral congeners. Furthermore, their catalytic performance is greatly improved upon immobilization on silica. In this context, we have developed the new family of molecular cationic molybdenum oxo alkylidene complexes stabilized by N-heterocyclic carbenes of the general formula [Mo(O)(CHCMe3)(IMes)(OR)[X-]] (IMes = 1,3-dimesitylimidazol-2-ylidene; R = 1,3-dimesityl-C6H3, C6F5; X- = B(3,5-(CF3)2C6H3)4 -, B(ArF)4, tetrakis(perfluoro-t-butoxy)aluminate (PFTA)). Immobilization of [Mo(O)(CHCMe3)(IMes)(O-1,3-dimesityl-C6H3)+B(ArF)4 -] on silica via surface organometallic chemistry yields an active alkene metathesis catalyst that shows the highest productivity towards terminal olefins amongst all existing molybdenum oxo alkylidene catalysts.
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Affiliation(s)
- Janis V Musso
- Institute of Polymer Chemistry, University of Stuttgart Pfaffenwaldring 55 D-70569 Stuttgart Germany
| | - Jordan De Jesus Silva
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1-5 CH-8093 Zürich Switzerland
| | - Mathis J Benedikter
- Institute of Polymer Chemistry, University of Stuttgart Pfaffenwaldring 55 D-70569 Stuttgart Germany
| | - Jonas Groos
- Institute of Polymer Chemistry, University of Stuttgart Pfaffenwaldring 55 D-70569 Stuttgart Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry, Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1-5 CH-8093 Zürich Switzerland
| | - Michael R Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart Pfaffenwaldring 55 D-70569 Stuttgart Germany
- German Institutes of Textile and Fiber Research (DITF) Denkendorf Körschtalstr. 26, 73770 Denkendorf Germany
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5
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Ghosh P, Schoch R, Bauer M, Jacobi von Wangelin A. Selective Benzylic CH‐Borylations by Tandem Cobalt Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202110821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pradip Ghosh
- Dept. of Chemistry University of Hamburg Martin Luther King Pl 6 20146 Hamburg Germany
| | - Roland Schoch
- Dept. of Chemistry Center for Sustainable Systems Design, CSSD University of Paderborn 33098 Paderborn Germany
| | - Matthias Bauer
- Dept. of Chemistry Center for Sustainable Systems Design, CSSD University of Paderborn 33098 Paderborn Germany
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6
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Ghosh P, Schoch R, Bauer M, Jacobi von Wangelin A. Selective Benzylic CH-Borylations by Tandem Cobalt Catalysis. Angew Chem Int Ed Engl 2022; 61:e202110821. [PMID: 34596960 PMCID: PMC9299014 DOI: 10.1002/anie.202110821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 01/09/2023]
Abstract
Metal-catalyzed C-H activations are environmentally and economically attractive synthetic strategies for the construction of functional molecules as they obviate the need for pre-functionalized substrates and minimize waste generation. Great challenges reside in the control of selectivities, the utilization of unbiased hydrocarbons, and the operation of atom-economical dehydrocoupling mechanisms. An especially mild borylation of benzylic CH bonds was developed with the ligand-free pre-catalyst Co[N(SiMe3 )2 ]2 and the bench-stable and inexpensive borylation reagent B2 pin2 that produces H2 as the only by-product. A full set of kinetic, spectroscopic, and preparative mechanistic studies are indicative of a tandem catalysis mechanism of CH-borylation and dehydrocoupling via molecular CoI catalysts.
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Affiliation(s)
- Pradip Ghosh
- Dept. of ChemistryUniversity of HamburgMartin Luther King Pl 620146HamburgGermany
| | - Roland Schoch
- Dept. of ChemistryCenter for Sustainable Systems Design, CSSDUniversity of Paderborn33098PaderbornGermany
| | - Matthias Bauer
- Dept. of ChemistryCenter for Sustainable Systems Design, CSSDUniversity of Paderborn33098PaderbornGermany
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7
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He Y, Pan G, Li L, Zhong S, Li L, Liu Z, Yu Y. Local charge transfer within a covalent organic framework and Pt nanoparticles promoting interfacial catalysis. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02024b] [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
A pyridine-functionalized covalent organic framework encapsulating Pt nanoparticles with local charge transfer was developed, which efficiently catalyzed H2 production from ammonia borane hydrolysis in water.
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Affiliation(s)
- Yajun He
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Guodong Pan
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Liuyi Li
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Shenghong Zhong
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Lingyun Li
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Zheyuan Liu
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yan Yu
- Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
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8
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Emmerling ST, Ziegler F, Fischer FR, Schoch R, Bauer M, Plietker B, Buchmeiser MR, Lotsch BV. Olefin Metathesis in Confinement: Towards Covalent Organic Framework Scaffolds for Increased Macrocyclization Selectivity. Chemistry 2021; 28:e202104108. [PMID: 34882848 PMCID: PMC9305778 DOI: 10.1002/chem.202104108] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Indexed: 12/02/2022]
Abstract
Covalent organic frameworks (COFs) offer vast structural and chemical diversity enabling a wide and growing range of applications. While COFs are well‐established as heterogeneous catalysts, so far, their high and ordered porosity has scarcely been utilized to its full potential when it comes to spatially confined reactions in COF pores to alter the outcome of reactions. Here, we present a highly porous and crystalline, large‐pore COF as catalytic support in α,ω‐diene ring‐closing metathesis reactions, leading to increased macrocyclization selectivity. COF pore‐wall modification by immobilization of a Grubbs‐Hoveyda‐type catalyst via a mild silylation reaction provides a molecularly precise heterogeneous olefin metathesis catalyst. An increased macro(mono)cyclization (MMC) selectivity over oligomerization (O) for the heterogeneous COF‐catalyst (MMC:O=1.35) of up to 51 % compared to the homogeneous catalyst (MMC:O=0.90) was observed along with a substrate‐size dependency in selectivity, pointing to diffusion limitations induced by the pore confinement.
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Affiliation(s)
- Sebastian T Emmerling
- Max-Planck-Institut für Festkörperforschung: Max-Planck-Institut fur Festkorperforschung, Nanochemistry, GERMANY
| | | | | | | | | | - Bernd Plietker
- Technische Universitat Dresden, Organische Chemie, GERMANY
| | | | - Bettina Valeska Lotsch
- Max Planck Institute for Solid State Research, Nanochemistry, Heisenbergstraße 1, 70569, Stuttgart, GERMANY
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9
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Musso JV, Schowner R, Falivene L, Frey W, Cavallo L, Buchmeiser MR. Predicting Catalytic Activity from
13
C
CH
Alkylidene Chemical Shift in Cationic Tungsten Oxo Alkylidene N‐Heterocyclic Carbene Complexes. ChemCatChem 2021. [DOI: 10.1002/cctc.202101510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Janis V. Musso
- Institut für Polymerchemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Roman Schowner
- Institut für Polymerchemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Laura Falivene
- Dipartimento di Chimica e Biologia University of Salerno Via Papa Paolo Giovanni II I-84084 Fisciano Italy
| | - Wolfgang Frey
- Institut für Organische Chemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Luigi Cavallo
- KAUST Catalysis Center Physical Sciences and Engineering Division King Abdullah University of Science and Technology 23955-6900 Thuwal Saudi Arabia
| | - Michael R. Buchmeiser
- Institut für Polymerchemie Universität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
- German Institutes of Textile and Fiber Research (DITF) Denkendorf Körschtalstr. 26 73770 Denkendorf Germany
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10
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Hauser PM, Gugeler K, Frey W, Kästner J, Buchmeiser MR. Tungsten Sulfido Alkylidene and Cationic Tungsten Sulfido Alkylidene N-Heterocyclic Carbene Complexes. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | - Michael R. Buchmeiser
- German Institutes of Textile and Fiber Research, Körschtalstrasse 26, D-73770Denkendorf, Germany
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11
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Paul B, Schrock RR, Tsay C. Synthesis of Cationic Molybdenum Imido 2-Adamantylidene Complexes from Bispyrrolides via Cationic Pyrrolenine Complexes. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bhaskar Paul
- Department of Chemistry, University of California at Riverside, Riverside, California 92521, United States
| | - Richard R. Schrock
- Department of Chemistry, University of California at Riverside, Riverside, California 92521, United States
| | - Charlene Tsay
- Department of Chemistry, University of California at Riverside, Riverside, California 92521, United States
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12
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Ziegler F, Kraus H, Benedikter MJ, Wang D, Bruckner JR, Nowakowski M, Weißer K, Solodenko H, Schmitz G, Bauer M, Hansen N, Buchmeiser MR. Confinement Effects for Efficient Macrocyclization Reactions with Supported Cationic Molybdenum Imido Alkylidene N-Heterocyclic Carbene Complexes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03057] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Felix Ziegler
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
| | - Hamzeh Kraus
- Institute of Thermodynamics and Thermal Process Engineering, University of Stuttgart, Pfaffenwaldring 9, Stuttgart D-70569, Germany
| | - Mathis J. Benedikter
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
| | - Dongren Wang
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
| | - Johanna R. Bruckner
- Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
| | - Michal Nowakowski
- Department of Chemistry and Center for Sustainable Systems Design (CSSD), University of Paderborn, Warburger Str. 100, Paderborn D-33098, Germany
| | - Kilian Weißer
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
| | - Helena Solodenko
- Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, Stuttgart 70569, Germany
| | - Guido Schmitz
- Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, Stuttgart 70569, Germany
| | - Matthias Bauer
- Department of Chemistry and Center for Sustainable Systems Design (CSSD), University of Paderborn, Warburger Str. 100, Paderborn D-33098, Germany
| | - Niels Hansen
- Institute of Thermodynamics and Thermal Process Engineering, University of Stuttgart, Pfaffenwaldring 9, Stuttgart D-70569, Germany
| | - Michael R. Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart D-70569, Germany
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Podewitz M, Sen S, Buchmeiser MR. On the Origin of E-Selectivity in the Ring-Opening Metathesis Polymerization with Molybdenum Imido Alkylidene N-Heterocyclic Carbene Complexes. Organometallics 2021; 40:2478-2488. [PMID: 34393318 PMCID: PMC8356225 DOI: 10.1021/acs.organomet.1c00229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Indexed: 11/28/2022]
Abstract
The understanding and control of stereoselectivity is a central aspect in ring-opening metathesis polymerization (ROMP). Herein, we report detailed quantum chemical studies on the reaction mechanism of E-selective ROMP of norborn-2-ene (NBE) with Mo(N-2,6-Me2-C6H3)(CHCMe3)(IMes)(OTf)2 (1, IMes = 1,3-dimesitylimidazol-2-ylidene) as a first step to stereoselective polymerization. Four different reaction pathways based on an ene syn or ene anti approach of NBE to either the syn- or anti-isomer of the neutral precatalyst have been studied. In contrast to the recently established associative mechanism with a terminal alkene, where a neutral olefin adduct is formed, NBE reacts directly with the catalyst via [2 + 2] cycloaddition to form molybdacyclobutane with a reaction barrier about 30 kJ mol-1 lower in free energy than via the formation of a catalyst-monomer adduct. However, the direct cycloaddition of NBE was only found for one out of four stereoisomers. Our findings strongly suggest that this stereoselective approach is responsible for E-selectivity and point toward a substrate-specific reaction mechanism in olefin metathesis with neutral Mo imido alkylidene N-heterocyclic carbene bistriflate complexes.
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Affiliation(s)
- Maren Podewitz
- Institute
of General, Inorganic and Theoretical Chemistry, and Center of Molecular
Biosciences, University of Innsbruck, Innrain 80/82, AT-6020 Innsbruck, Austria
| | - Suman Sen
- Institute
of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Michael R. Buchmeiser
- Institute
of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
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14
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Kawamoto Y, Elser I, Buchmeiser MR, Nomura K. Vanadium(V) Arylimido Alkylidene N-Heterocyclic Carbene Alkyl and Perhalophenoxy Alkylidenes for the Cis, Syndiospecific Ring Opening Metathesis Polymerization of Norbornene. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00271] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuta Kawamoto
- Department of Chemistry, Tokyo Metropolitan University, 1-1 minami Osawa, Hachioji, Tokyo 192-0927, Japan
| | - Iris Elser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Michael R. Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
- German Institutes of Textile and Fiber Research (DITF) Denkendorf, Körschtalstr. 26, D-73770 Denkendorf, Germany
| | - Kotohiro Nomura
- Department of Chemistry, Tokyo Metropolitan University, 1-1 minami Osawa, Hachioji, Tokyo 192-0927, Japan
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15
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Groos J, Hauser PM, Koy M, Frey W, Buchmeiser MR. Highly Reactive Cationic Molybdenum Alkylidyne N-Heterocyclic Carbene Catalysts for Alkyne Metathesis. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00175] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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16
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Hauser PM, Musso JV, Frey W, Buchmeiser MR. Cationic Tungsten Oxo Alkylidene N-Heterocyclic Carbene Complexes via Hydrolysis of Cationic Alkylidyne Progenitors. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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