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Vila J, Solà M, Achard T, Bellemin-Laponnaz S, Pla-Quintana A, Roglans A. Rh(I) Complexes with Hemilabile Thioether-Functionalized NHC Ligands as Catalysts for [2 + 2 + 2] Cycloaddition of 1,5-Bisallenes and Alkynes. ACS Catal 2023; 13:3201-3210. [PMID: 36910871 PMCID: PMC9990073 DOI: 10.1021/acscatal.2c05790] [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: 11/25/2022] [Revised: 01/12/2023] [Indexed: 02/19/2023]
Abstract
The [2 + 2 + 2] cycloaddition of 1,5-bisallenes and alkynes under the catalysis of Rh(I) with hemilabile thioether-functionalized N-heterocyclic carbene ligands is described. This protocol effectively provides an entry to different trans-5,6-fused bicyclic systems with two exocyclic double bonds in the cyclohexene ring. The process is totally chemoselective with the two internal double bonds of the 1,5-bisallenes being involved in the cycloaddition. The complete mechanism of this transformation as well as the preference for the trans-fusion over the cis-fusion has been rationalized by density functional theory calculations. The reaction follows a typical [2 + 2 + 2] cycloaddition mechanism. The oxidative addition takes place between the alkyne and one of the allenes and it is when the second allene is inserted into the rhodacyclopentene that the trans-fusion is generated. Remarkably, the hemilabile character of the sulfur atom in the N-heterocyclic carbene ligand modulates the electron density in key intermediates, facilitating the overall transformation.
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Affiliation(s)
- Jordi Vila
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Facultat de Ciències, Universitat de Girona (UdG), C/Maria Aurèlia Capmany, 69, Girona, 17003 Catalunya, Spain
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Facultat de Ciències, Universitat de Girona (UdG), C/Maria Aurèlia Capmany, 69, Girona, 17003 Catalunya, Spain
| | - Thierry Achard
- Institut de Physique et Chimie des Matériaux de Strasbourg, CNRS-Université de Strasbourg, UMR7504, 23 Rue du Loess BP 43, 67034 Strasbourg, France
| | - Stéphane Bellemin-Laponnaz
- Institut de Physique et Chimie des Matériaux de Strasbourg, CNRS-Université de Strasbourg, UMR7504, 23 Rue du Loess BP 43, 67034 Strasbourg, France
| | - Anna Pla-Quintana
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Facultat de Ciències, Universitat de Girona (UdG), C/Maria Aurèlia Capmany, 69, Girona, 17003 Catalunya, Spain
| | - Anna Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Facultat de Ciències, Universitat de Girona (UdG), C/Maria Aurèlia Capmany, 69, Girona, 17003 Catalunya, Spain
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2
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Tilly DP, Cullen W, Zhong H, Jamagne R, Vitórica-Yrezábal I, Webb SJ. α-Amino-iso-butyric acid foldamers terminated with rhodium(I) N-heterocyclic carbene catalysts. Chemistry 2021; 28:e202104293. [PMID: 34932229 PMCID: PMC9305545 DOI: 10.1002/chem.202104293] [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: 12/01/2021] [Indexed: 12/01/2022]
Abstract
To investigate how remotely induced changes in ligand folding might affect catalysis by organometallic complexes, dynamic α‐amino‐iso‐butyric acid (Aib) peptide foldamers bearing rhodium(I) N‐heterocyclic carbene (NHC) complexes have been synthesized and studied. X‐ray crystallography of a foldamer with an N‐terminal azide and a C‐terminal Rh(NHC)(Cl)(diene) complex showed a racemate with a chiral axis in the Rh(NHC) complex and a distorted 310 helical body. Replacing the azide with either one or two chiral L‐α‐methylvaline (L‐αMeVal) residues gave diastereoisomeric foldamers that each possessed point, helical and axial chirality. NMR spectroscopy revealed an unequal ratio of diastereoisomers for some foldamers, indicating that the chiral conformational preference of the N‐terminal residue(s) was relayed down the 1 nm helical body to the axially chiral Rh(NHC) complex. Although the remote chiral residue(s) did not affect the stereoselectivity of hydrosilylation reactions catalysed by these foldamers, these studies suggest a potential pathway towards remote conformational control of organometallic catalysts.
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Affiliation(s)
- David P Tilly
- The University of Manchester, Department of Chemistry, UNITED KINGDOM
| | - William Cullen
- The University of Manchester, Department of Chemistry, UNITED KINGDOM
| | - Heng Zhong
- The University of Manchester, Department of Chemistry, UNITED KINGDOM
| | - Romain Jamagne
- The University of Manchester, Department of Chemistry, UNITED KINGDOM
| | | | - Simon John Webb
- University of Manchester, School of Chemistry and MIB, 131 Princess St, M1 7DN, Manchester, UNITED KINGDOM
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3
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Mell B, Rust J, Lehmann CW, Berger RJF, Otte D, Ertl M, Monkowius U, Mohr F. Arylamidoethyl-Functionalized Imidazolium Salts: Precursors for Dianionic [C,N,C]2– Carbene Ligands at a Platinum Center. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Bernd Mell
- Fakultät für Mathematik und Naturwissenschaften, Anorganische Chemie, Bergische Universität Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany
| | - Jörg Rust
- Chemische Kristallographie und Elektronenmikroskopie, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Christian W. Lehmann
- Chemische Kristallographie und Elektronenmikroskopie, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Raphael J. F. Berger
- Fachbereich für Chemie und Physik der Materialien, Paris-Lodron Universität Salzburg, 5020 Salzburg, Austria
| | - Daniela Otte
- School of Education, MINT Didactics, Chemistry, Johannes Kepler University, 4040 Linz, Austria
| | - Martin Ertl
- School of Education, MINT Didactics, Chemistry, Johannes Kepler University, 4040 Linz, Austria
| | - Uwe Monkowius
- School of Education, MINT Didactics, Chemistry, Johannes Kepler University, 4040 Linz, Austria
| | - Fabian Mohr
- Fakultät für Mathematik und Naturwissenschaften, Anorganische Chemie, Bergische Universität Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany
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Elmakki MAE, Alexander OT, Venter GJS, Venter JA, Roodt A. Synthesis and structural determination of [Rh(opo)(CO)(PR 3)] complexes (opo − = 2-oxopyridin-1-olate) and in situ isomeric behavior from preliminary kinetic study of iodomethane oxidative addition. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1879385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Orbett T. Alexander
- Department of Chemistry, University of the Free State, Bloemfontein, South Africa
| | | | - Johan A. Venter
- Department of Chemistry, University of the Free State, Bloemfontein, South Africa
| | - Andreas Roodt
- Department of Chemistry, University of the Free State, Bloemfontein, South Africa
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5
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Huang Z, Wang S, Zhu X, Yuan Q, Wei Y, Zhou S, Mu X. Well-Defined Amidate-Functionalized N-Heterocyclic Carbene -Supported Rare-Earth Metal Complexes as Catalysts for Efficient Hydroboration of Unactivated Imines and Nitriles. Inorg Chem 2018; 57:15069-15078. [DOI: 10.1021/acs.inorgchem.8b02067] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zeming Huang
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Shaowu Wang
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
- College of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
| | - Xiancui Zhu
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Qingbing Yuan
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Yun Wei
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Shuangliu Zhou
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Xiaolong Mu
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
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Gisbert P, Trillo P, Pastor IM. Comparative Study of Catalytic Systems Formed by Palladium and Acyl‐Substituted Imidazolium Salts. ChemistrySelect 2018. [DOI: 10.1002/slct.201702818] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Patricia Gisbert
- Organic Chemistry Dpt. and Instituto de Síntesis Orgánica (ISO)University of Alicante Apdo. 99 03080 Alicante Spain
| | - Paz Trillo
- Organic Chemistry Dpt. and Instituto de Síntesis Orgánica (ISO)University of Alicante Apdo. 99 03080 Alicante Spain
- Chemistry Dpt.University of Umeå 90187 Umeå Sweden
| | - Isidro M. Pastor
- Organic Chemistry Dpt. and Instituto de Síntesis Orgánica (ISO)University of Alicante Apdo. 99 03080 Alicante Spain
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Majeed MH, Shayesteh P, Wallenberg LR, Persson AR, Johansson N, Ye L, Schnadt J, Wendt OF. Polymer-Supported Palladium(II) Carbene Complexes: Catalytic Activity, Recyclability, and Selectivity in C−H Acetoxylation of Arenes. Chemistry 2017; 23:8457-8465. [DOI: 10.1002/chem.201700777] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Indexed: 01/29/2023]
Affiliation(s)
- Maitham H. Majeed
- Centre for Analysis snd Synthesis; Department of Chemistry; Lund University, Box 124; 221 00 Lund Sweden
| | - Payam Shayesteh
- Division of Synchrotron Radiation Research; Department of Physics; Lund University, Box 118; 221 00 Lund Sweden
| | - L. Reine Wallenberg
- Centre for Analysis snd Synthesis; Department of Chemistry; Lund University, Box 124; 221 00 Lund Sweden
- National Center for High Resolution Electron Microscopy; Lund University, Box 124; 221 00 Lund Sweden
| | - Axel R. Persson
- Centre for Analysis snd Synthesis; Department of Chemistry; Lund University, Box 124; 221 00 Lund Sweden
- National Center for High Resolution Electron Microscopy; Lund University, Box 124; 221 00 Lund Sweden
| | - Niclas Johansson
- Division of Synchrotron Radiation Research; Department of Physics; Lund University, Box 118; 221 00 Lund Sweden
| | - Lei Ye
- Centre for Applied Life Sciences; Department of Chemistry; Lund University, Box 124; 221 00 Lund Sweden
| | - Joachim Schnadt
- Division of Synchrotron Radiation Research; Department of Physics; Lund University, Box 118; 221 00 Lund Sweden
| | - Ola F. Wendt
- Centre for Analysis snd Synthesis; Department of Chemistry; Lund University, Box 124; 221 00 Lund Sweden
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Drover MW, Schafer LL, Love JA. Isocyanate deinsertion from κ1-O amidates: facile access to perfluoroaryl rhodium(i) complexes. Dalton Trans 2015; 44:19487-93. [DOI: 10.1039/c5dt01981h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Perfluorophenyl-subsituted amidates undergo unprecedented C6F5 migration to Rh(i) on heating, providing a new route to Rh-C6F5 organometallic fragments.
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Affiliation(s)
- Marcus W. Drover
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Laurel L. Schafer
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Jennifer A. Love
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
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