1
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Ou X, Occhipinti G, Boisvert EJY, Jensen VR, Fogg DE. Mesomeric Acceleration Counters Slow Initiation of Ruthenium–CAAC Catalysts for Olefin Metathesis (CAAC = Cyclic (Alkyl)(Amino) Carbene). ACS Catal 2023; 13:5315-5325. [PMID: 37123599 PMCID: PMC10127214 DOI: 10.1021/acscatal.2c03828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 03/20/2023] [Indexed: 04/08/2023]
Abstract
Ruthenium catalysts bearing cyclic (alkyl)(amino)carbene (CAAC) ligands can attain very high productivities in olefin metathesis, owing to their resistance to unimolecular decomposition. Because the propagating methylidene species RuCl2(CAAC)(=CH2) is extremely susceptible to bimolecular decomposition, however, turnover numbers in the metathesis of terminal olefins are highly sensitive to catalyst concentration, and hence loadings. Understanding how, why, and how rapidly the CAAC complexes partition between the precatalyst and the active species is thus critical. Examined in a dual experimental-computational study are the rates and basis of initiation for phosphine-free catalysts containing the leading CAAC ligand C1 Ph , in which a CMePh group α to the carbene carbon helps retard degradation. The Hoveyda-class complex HC1 Ph (RuCl2(L)(=CHAr), where L = C1 Ph , Ar = C6H3-2-O i Pr-5-R; R = H) is compared with its nitro-Grela analogue (nG-C1 Ph ; R = NO2) and the classic Hoveyda catalyst HII (L = H2IMes; R = H). t-Butyl vinyl ether (tBuVE) was employed as substrate, to probe the reactivity of these catalysts toward olefins of realistic bulk. Initiation is ca. 100× slower for HC1 Ph than HII in C6D6, or 44× slower in CDCl3. The rate-limiting step for the CAAC catalyst is cycloaddition; for HII, it is tBuVE binding. Initiation is 10-13× faster for nG-C1 Ph than HC1 Ph in either solvent. DFT analysis reveals that this rate acceleration originates in an overlooked role of the nitro group. Rather than weakening the Ru-ether bond, as widely presumed, the NO2 group accelerates the ensuing, rate-limiting cycloaddition step. Faster reaction is caused by long-range mesomeric effects that modulate key bond orders and Ru-ligand distances, and thereby reduce the trans effect between the carbene and the trans-bound alkene in the transition state for cycloaddition. Mesomeric acceleration may plausibly be introduced via any of the ligands present, and hence offers a powerful, tunable control element for catalyst design.
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Affiliation(s)
- Xinrui Ou
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Giovanni Occhipinti
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Eliza-Jayne Y. Boisvert
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Vidar R. Jensen
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Deryn E. Fogg
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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2
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Monsigny L, Piątkowski J, Trzybiński D, Woźniak K, Nienałtowski T, Kajetanowicz A, Grela K. Activated Hoveyda‐Grubbs Olefin Metathesis Catalysts Derived from a Large Scale Produced Pharmaceutical Intermediate – Sildenafil Aldehyde. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100669] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Louis Monsigny
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
| | - Jakub Piątkowski
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
| | - Damian Trzybiński
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
| | - Tomasz Nienałtowski
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
- Polpharma SA Pharmaceutical Works Pelplińska 19 83-200 Starogard Gdański Poland
| | - Anna Kajetanowicz
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
| | - Karol Grela
- Biological and Chemical Research Centre Faculty of Chemistry University of Warsaw Żwirki i Wigury Street 101 02-089 Warsaw Poland
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3
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Blanco C, Nascimento DL, Fogg DE. Routes to High-Performing Ruthenium-Iodide Catalysts for Olefin Metathesis: Ligand Lability Is Key to Efficient Halide Exchange. Organometallics 2021; 40:1811-1816. [PMID: 34295013 PMCID: PMC8289337 DOI: 10.1021/acs.organomet.1c00253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Indexed: 12/14/2022]
Abstract
Clean, high-yielding routes are described to ruthenium-diiodide catalysts that were recently shown to enable high productivity in olefin metathesis. For the second-generation Grubbs and Hoveyda catalysts (GII: RuCl2(H2IMes)(PCy3)(=CHPh); HII: RuCl2(H2IMes)(=CHAr), Ar = C6H4-2-O i Pr), slow salt metathesis is shown to arise from the low lability of the ancillary PCy3 or ether ligands, which retards access to the four-coordinate intermediate required for efficient halide exchange. To exploit the lability of the first-generation catalysts, the diiodide complex RuI2(PCy3)(=CHAr) HI-I 2 was prepared by treating "Grubbs I" (RuCl2(PCy3)2(=CHPh), GI) with NaI, H2C=CHAr (1a), and a phosphine-scavenging Merrifield iodide (MF-I) resin. Subsequent installation of H2IMes or cyclic (alkyl)(amino)carbene (CAAC) ligands afforded the second-generation iodide catalysts in good to excellent yields. Given the incompatibility of the nitro group with a free carbene, the iodo-Grela catalyst RuI2(H2IMes)(=CHAr') (nG-I 2 : Ar' = C6H3-2-O i Pr-4-NO2) was instead accessed by sequential salt metathesis of GI with NaI, installation of H2IMes, and finally cross-metathesis with the nitrostyrenyl ether H2C=CHAr' (1b), with MF-I as the phosphine scavenger. The bulky iodide ligands improve the selectivity for macrocyclization in ring-closing metathesis.
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Affiliation(s)
- Christian
O. Blanco
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
| | - Daniel L. Nascimento
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
| | - Deryn E. Fogg
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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4
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Avendaño Villarreal JA, Granato AV, Delolo FG, dos Santos EN. Efficient synthesis of styrene derivatives through ethenolysis of renewable propenylbenzenes. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Swart MR, Twigge L, Erasmus E, Marais C, Bezuidenhoudt BCB. Olefin Metathesis,
p
‐Cresol, and the Second Generation Grubbs Catalyst: Fitting the Pieces. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Marthinus R. Swart
- Department of Chemistry University of the Free State PO Box 339 Bloemfontein 9300 South Africa
| | - Linette Twigge
- Department of Chemistry University of the Free State PO Box 339 Bloemfontein 9300 South Africa
| | - Elizabeth Erasmus
- Department of Chemistry University of the Free State PO Box 339 Bloemfontein 9300 South Africa
| | - Charlene Marais
- Department of Chemistry University of the Free State PO Box 339 Bloemfontein 9300 South Africa
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6
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Nouaille A, Pannecoucke X, Poisson T, Couve‐Bonnaire S. Access to Trisubstituted Fluoroalkenes by Ruthenium‐Catalyzed Cross‐Metathesis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001612] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Augustin Nouaille
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
| | - Xavier Pannecoucke
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
| | - Thomas Poisson
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
- Institut Universitaire de France 1 rue Descartes 75231 Paris France
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7
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Morvan J, Mauduit M, Bertrand G, Jazzar R. Cyclic (Alkyl)(amino)carbenes (CAACs) in Ruthenium Olefin Metathesis. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05508] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jennifer Morvan
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000 Rennes, France
| | - Marc Mauduit
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000 Rennes, France
| | - Guy Bertrand
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Rodolphe Jazzar
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States
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8
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Spectroscopic characterisation of Grubbs 2nd generation catalyst and its p-cresol derivatives. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Adachi R, Suzuki S, Mitsuda T, Morita Y, Komatsu T. Supramolecular linear coordination polymers of human serum albumin and haemoglobin. Chem Commun (Camb) 2020; 56:15585-15588. [PMID: 33245310 DOI: 10.1039/d0cc07167f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We describe the synthesis, structure, and functionalities of water-soluble linear coordination polymers of human serum albumin and haemoglobin, which are connected via a bis(terpyridyl)-Fe2+ complex. These protein fibres were self-assembled by lyophilisation and were transformed into single-wall nanotubes. The biological activities of the protein units were perfectly preserved in the long fibres.
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Affiliation(s)
- Ryo Adachi
- 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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10
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Kaczanowska K, Trzaskowski B, Peszczyńska A, Tracz A, Gawin R, Olszewski TK, Skowerski K. Cross metathesis with acrylates:
N
‐heterocyclic carbene (NHC)‐
versus
cyclic alkyl amino carbene (CAAC)‐based ruthenium catalysts, an unanticipated influence of the carbene type on efficiency and selectivity of the reaction. ChemCatChem 2020. [DOI: 10.1002/cctc.202001268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | - Bartosz Trzaskowski
- Centre of New Technologies University of Warsaw Banacha 2c 02-097 Warszawa Poland
| | | | | | - Rafał Gawin
- Apeiron Synthesis SA Duńska 9 54-427 Wrocław Poland
| | - Tomasz K. Olszewski
- Wroclaw University of Science and Technology Faculty of Chemistry Wybrzeze Wyspianskiego 29 50-370 Wroclaw Poland
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11
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Abstract
Ruthenium olefin metathesis catalysts are one of the most commonly used class of catalysts. There are multiple reviews on their uses in various branches of chemistry and other sciences but a detailed review of their decomposition is missing, despite a large number of recent and important advances in this field. In particular, in the last five years several new mechanism of decomposition, both olefin-driven as well as induced by external agents, have been suggested and used to explain differences in the decomposition rates and the metathesis activities of both standard, N-heterocyclic carbene-based systems and the recently developed cyclic alkyl amino carbene-containing complexes. Here we present a review which explores the last 30 years of the decomposition studied on ruthenium olefin metathesis catalyst driven by both intrinsic features of such catalysts as well as external chemicals.
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12
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Engl PS, Tsygankov A, De Jesus Silva J, Lange J, Copéret C, Togni A, Fedorov A. Acrylate Esters by Ethenolysis of Maleate Esters with Ru Metathesis Catalysts: an HTE and a Technoeconomic Study. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000035] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Pascal S. Engl
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Alexey Tsygankov
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
- Current address: A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences Vavilova str. 28 RU 119991 Moscow Russia
| | - Jordan De Jesus Silva
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Jean‐Paul Lange
- Shell Research and Technology Center Amsterdam Grasweg 31 NL-1031 HW Amsterdam, The Netherlands
- Sustainable Process TechnologyUniversity of Twente Drienerlolaan 5 NL-7522 NB Enschede, The Netherlands
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Alexey Fedorov
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
- Department of Mechanical and Process Engineering, ETH Zürich Leonhardstrasse 21 CH-8092 Zürich Switzerland
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13
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Nascimento DL, Fogg DE. Origin of the Breakthrough Productivity of Ruthenium–Cyclic Alkyl Amino Carbene Catalysts in Olefin Metathesis. J Am Chem Soc 2019; 141:19236-19240. [DOI: 10.1021/jacs.9b10750] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Daniel L. Nascimento
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, K1N 6N5 Ontario, Canada
| | - Deryn E. Fogg
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, K1N 6N5 Ontario, Canada
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14
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Bidal YD, Urbina-Blanco CA, Poater A, Cordes DB, Slawin AMZ, Cavallo L, Cazin CSJ. Electronic effects in mixed N-heterocyclic carbene/phosphite indenylidene ruthenium metathesis catalysts. Dalton Trans 2019; 48:11326-11337. [PMID: 31273362 DOI: 10.1039/c9dt01811e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Five new complexes [RuCl2(SIMes)(Ind)(O-pXC5H4)] bearing different para-substituted triphenylphosphites (X = H, OCH3, CF3, Cl, SF5 and CN) were synthesised and used to study the effect of the electronic properties of the phosphite on olefin metathesis activity. Investigations of the physical properties of the new ligands and complexes were performed using physicochemical and DFT calculations. The catalytic activity of the complexes was benchmarked in challenging ring closing metathesis transformations featuring the formation of tetra-substituted double bonds. Complex [RuCl2(SIMes)(Ind)P(O-pCF3C5H4)3] (3c) exhibited a particularly high catalytic activity, superior to state-of-the-art catalysts, and was further tested on a wide range of substrates.
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Affiliation(s)
- Yannick D Bidal
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK
| | - César A Urbina-Blanco
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK and Laboratory for Chemical Technology, Ghent University, Technologiepark 125, B-9052 Gent, Belgium
| | - Albert Poater
- Institut de Química Computacional i Catàlisi, Departament de Química, University of Girona, Girona 17003, Catalonia, Spain
| | - David B Cordes
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK
| | - Alexandra M Z Slawin
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK
| | - Luigi Cavallo
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Catherine S J Cazin
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK and Centre for Sustainable Chemistry, Department of Chemistry, Ghent University, Krijgslaan 281 - S3, 9000 Gent, Belgium.
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15
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Chattopadhyay SK, Ghosh S, Sil S. Cross metathesis-mediated synthesis of hydroxamic acid derivatives. Beilstein J Org Chem 2019; 14:3070-3075. [PMID: 30643583 PMCID: PMC6317413 DOI: 10.3762/bjoc.14.285] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/29/2018] [Indexed: 12/03/2022] Open
Abstract
An alternative synthesis of α,ß-unsaturated hydroxamates via cross metathesis between a class-I olefin and N-benzyloxyacrylamide is reported. The reaction proceeds better in the presence of Grubbs’ second generation catalyst within short time and in good yields (57–85%) with a range of substrates. Subsequent hydrogenation of each of the CM products delivers the title compounds in moderate to very good yield (70–89%). An important demonstration of the protocol is the preparation of the unusual amino acid component of the bioactive cyclic peptide Chap-31.
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Affiliation(s)
| | - Subhankar Ghosh
- Department of Chemistry, University of Kalyani, Kalyani - 741235, West Bengal, India
| | - Suman Sil
- Department of Chemistry, University of Kalyani, Kalyani - 741235, West Bengal, India
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16
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Koszelewski D, Borys F, Brodzka A, Ostaszewski R. Synthesis of Enantiomerically Pure 5,6-Dihydropyran-2-ones via Chemoenzymatic Sequential DKR-RCM Reaction. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801819] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Dominik Koszelewski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Filip Borys
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Anna Brodzka
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Ryszard Ostaszewski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
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17
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Xia L, Peng T, Wang G, Wen X, Zhang S, Wang L. Grubbs Catalysts Immobilized on Merrifield Resin for Metathesis of Leaf Alcohols by using a Convenient Recycling Approach. ChemistryOpen 2019; 8:45-48. [PMID: 30652064 PMCID: PMC6333241 DOI: 10.1002/open.201800188] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 11/08/2018] [Indexed: 11/11/2022] Open
Abstract
Three new types of heterogeneous catalysts were prepared using a facile approach by the immobilization of Grubbs catalysts on PEGylated Merrifield resin. One of the immobilized catalysts was more efficient than the free catalyst for the metathesis of leaf alcohols in conversion and selectivity and was reused repeatedly (up to 5 cycles) with only a slight loss of activity (10.5 %). The long-chain PEGylated linker provided an appropriate distance between the resin and the catalytic center so that the ruthenium catalysts acted as the free catalyst.
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Affiliation(s)
- Liang Xia
- Beijing University of TechnologyCollege of Life Science and Bio-engineering DepartmentBeijing100124P. R. China
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
| | - Tao Peng
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
| | - Gang Wang
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
| | - Xiaoxue Wen
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
| | - Shouguo Zhang
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
| | - Lin Wang
- Beijing University of TechnologyCollege of Life Science and Bio-engineering DepartmentBeijing100124P. R. China
- Beijing Institute of Radiation MedicineBeijing100850P. R. China
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18
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Day CS, Fogg DE. High-Yield Synthesis of a Long-Sought, Labile Ru-NHC Complex and Its Application to the Concise Synthesis of Second-Generation Olefin Metathesis Catalysts. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00745] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Craig S. Day
- Center for Catalysis Research and Innovation and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
| | - Deryn E. Fogg
- Center for Catalysis Research and Innovation and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
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19
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Rufh SA, Goudreault AY, Foscato M, Jensen VR, Fogg DE. Rapid Decomposition of Olefin Metathesis Catalysts by a Truncated N-Heterocyclic Carbene: Efficient Catalyst Quenching and N-Heterocyclic Carbene Vinylation. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Stephanie A. Rufh
- Center for Catalysis Research and Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Canada K1N 6N5
| | - Alexandre Y. Goudreault
- Center for Catalysis Research and Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Canada K1N 6N5
| | - Marco Foscato
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Vidar R. Jensen
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Deryn E. Fogg
- Center for Catalysis Research and Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Canada K1N 6N5
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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20
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Abbas M, Neubauer M, Slugovc C. Converting natural rubber waste into ring-opening metathesis polymers with oligo-1,4-cis-isoprene sidechains. Polym Chem 2018. [DOI: 10.1039/c8py00233a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cross-metathesis with acrylates is used as the key-step to recycle natural rubber waste.
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Affiliation(s)
- Mudassar Abbas
- Institute for Chemistry and Technology of Materials
- Graz University of Technology
- NAWI Graz
- A 8010 Graz
- Austria
| | - Maximilian Neubauer
- Institute for Chemistry and Technology of Materials
- Graz University of Technology
- NAWI Graz
- A 8010 Graz
- Austria
| | - Christian Slugovc
- Institute for Chemistry and Technology of Materials
- Graz University of Technology
- NAWI Graz
- A 8010 Graz
- Austria
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21
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Bailey GA, Lummiss JAM, Foscato M, Occhipinti G, McDonald R, Jensen VR, Fogg DE. Decomposition of Olefin Metathesis Catalysts by Brønsted Base: Metallacyclobutane Deprotonation as a Primary Deactivating Event. J Am Chem Soc 2017; 139:16446-16449. [DOI: 10.1021/jacs.7b08578] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gwendolyn A. Bailey
- Center
for Catalysis Research and Innovation, and Department of Chemistry
and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Justin A. M. Lummiss
- Center
for Catalysis Research and Innovation, and Department of Chemistry
and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Marco Foscato
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Giovanni Occhipinti
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Robert McDonald
- X-Ray
Crystallography Laboratory, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Vidar R. Jensen
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Deryn E. Fogg
- Center
for Catalysis Research and Innovation, and Department of Chemistry
and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
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22
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Granato AV, Santos AG, Dos Santos EN. p-Cymene as Solvent for Olefin Metathesis: Matching Efficiency and Sustainability. CHEMSUSCHEM 2017; 10:1832-1837. [PMID: 28230317 DOI: 10.1002/cssc.201700116] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 02/17/2017] [Indexed: 05/08/2023]
Abstract
The underexploited biorenewable p-cymene is employed as a solvent for the metathesis of various substrates. p-Cymene is a nontoxic compound that can be obtained in large amounts as a side product of the cellulose and citrus industry. For the cross-metathesis of estragole with methyl acrylate, this solvent prevents the consecutive double-bond isomerization of the product and affords the best yield of all solvents tested. Undesired consecutive isomerization is a major challenge for many substrates in olefin metathesis, including pharmaceutical precursors, and the use of p-cymene as a solvent may be a way to prevent it. This solvent results in a better metathesis performance than toluene for the three substrates tested in this work, matching its performance for two other substrates.
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Affiliation(s)
- Artur V Granato
- Chemistry Department, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil
| | - Alexandra G Santos
- Chemistry Department, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil
| | - Eduardo N Dos Santos
- Chemistry Department, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil
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23
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Santos AG, Bailey GA, dos Santos EN, Fogg DE. Overcoming Catalyst Decomposition in Acrylate Metathesis: Polyphenol Resins as Enabling Agents for PCy3-Stabilized Metathesis Catalysts. ACS Catal 2017. [DOI: 10.1021/acscatal.6b03557] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexandra G. Santos
- Departamento
de Química-ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Gwendolyn A. Bailey
- Department of Chemistry and Biomolecular Sciences, and Centre for Catalysis Research & Innovation, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
| | - Eduardo N. dos Santos
- Departamento
de Química-ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Deryn E. Fogg
- Department of Chemistry and Biomolecular Sciences, and Centre for Catalysis Research & Innovation, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
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24
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2015. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Wang H, Hamilton M, Rempel GL. Hydrogenation of Sodium Oleate in Aqueous Emulsion with the Hoveyda–Grubbs Second-Generation Catalyst. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.6b00074] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hui Wang
- Institute of Chemical and Engineering Sciences (ICES), Agency for Science, Technology and Research (A*STAR), Singapore, 1 Pesek Road, Jurong Island, 627833, Singapore
| | - Max Hamilton
- Department
of Chemical Engineering, University of Waterloo, 200 University Ave. West, Waterloo, Ontario N2L 3G1, Canada
| | - Garry L. Rempel
- Department
of Chemical Engineering, University of Waterloo, 200 University Ave. West, Waterloo, Ontario N2L 3G1, Canada
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26
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Griffiths JR, Keister JB, Diver ST. From Resting State to the Steady State: Mechanistic Studies of Ene-Yne Metathesis Promoted by the Hoveyda Complex. J Am Chem Soc 2016; 138:5380-91. [PMID: 27076098 DOI: 10.1021/jacs.6b01887] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The kinetics of intermolecular ene-yne metathesis (EYM) with the Hoveyda precatalyst (Ru1) has been studied. For 1-hexene metathesis with 2-benzoyloxy-3-butyne, the experimental rate law was determined to be first-order in 1-hexene (0.3-4 M), first-order in initial catalyst concentration, and zero-order for the terminal alkyne. At low catalyst concentrations (0.1 mM), the rate of precatalyst initiation was observed by UV-vis and the alkyne disappearance was observed by in situ FT-IR. Comparison of the rate of precatalyst initiation and the rate of EYM shows that a low, steady-state concentration of active catalyst is rapidly produced. Application of steady-state conditions to the carbene intermediates provided a rate treatment that fit the experimental rate law. Starting from a ruthenium alkylidene complex, competition between 2-isopropoxystyrene and 1-hexene gave a mixture of 2-isopropoxyarylidene and pentylidene species, which were trappable by the Buchner reaction. By varying the relative concentration of these alkenes, 2-isopropoxystyrene was found to be 80 times more effective than 1-hexene in production of their respective Ru complexes. Buchner-trapping of the initiation of Ru1 with excess 1-hexene after 50% loss of Ru1 gave 99% of the Buchner-trapping product derived from precatalyst Ru1. For the initiation process, this shows that there is an alkene-dependent loss of precatalyst Ru1, but this does not directly produce the active catalyst. A faster initiating precatalyst for alkene metathesis gave similar rates of EYM. Buchner-trapping of ene-yne metathesis failed to deliver any products derived from Buchner insertion, consistent with rapid decomposition of carbene intermediates under ene-yne conditions. An internal alkyne, 1,4-diacetoxy-2-butyne, was found to obey a different rate law. Finally, the second-order rate constant for ene-yne metathesis was compared to that previously determined by the Grubbs second-generation carbene complex: Ru1 was found to promote ene-yne metathesis 62 times faster at the same initial precatalyst concentration.
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Affiliation(s)
- Justin R Griffiths
- Department of Chemistry, University at Buffalo, the State University of New York , Buffalo, New York 14260-3000, United States
| | - Jerome B Keister
- Department of Chemistry, University at Buffalo, the State University of New York , Buffalo, New York 14260-3000, United States
| | - Steven T Diver
- Department of Chemistry, University at Buffalo, the State University of New York , Buffalo, New York 14260-3000, United States
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27
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Vancompernolle T, Vignon P, Trivelli X, Mortreux A, Gauvin RM. Improved reactivity in the conversion of nitrile-functionalized olefins by metathesis. CATAL COMMUN 2016. [DOI: 10.1016/j.catcom.2016.01.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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28
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Ferreira LA, Schrekker HS. Augmentation of productivity in olefin cross-metathesis: maleic acid does the trick! Catal Sci Technol 2016. [DOI: 10.1039/c6cy01181k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Why use the protected esters when the free acids result in better catalytic performances?
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Affiliation(s)
- Leonildo A. Ferreira
- Laboratory of Technological Processes and Catalysis
- Institute of Chemistry
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
| | - Henri S. Schrekker
- Laboratory of Technological Processes and Catalysis
- Institute of Chemistry
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
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29
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Higman CS, de Araujo MP, Fogg DE. Tandem catalysis versus one-pot catalysis: ensuring process orthogonality in the transformation of essential-oil phenylpropenoids into high-value products via olefin isomerization–metathesis. Catal Sci Technol 2016. [DOI: 10.1039/c5cy02038g] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
One-pot and tandem catalysis methodologies are explored in developing efficient isomerization–metathesis routes to high-value cinnamates and ferulates from essential-oil allylbenzenes.
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Affiliation(s)
- Carolyn S. Higman
- Center for Catalysis Research & Innovation, and Department of Chemistry
- University of Ottawa
- Ottawa
- Canada
| | - Marcio P. de Araujo
- Center for Catalysis Research & Innovation, and Department of Chemistry
- University of Ottawa
- Ottawa
- Canada
| | - Deryn E. Fogg
- Center for Catalysis Research & Innovation, and Department of Chemistry
- University of Ottawa
- Ottawa
- Canada
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30
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Abderrezak MK, Šichová K, Dominguez-Boblett N, Dupé A, Kabouche Z, Bruneau C, Fischmeister C. Cross metathesis of unsaturated epoxides for the synthesis of polyfunctional building blocks. Beilstein J Org Chem 2015; 11:1876-80. [PMID: 26664605 PMCID: PMC4660967 DOI: 10.3762/bjoc.11.201] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 09/15/2015] [Indexed: 01/18/2023] Open
Abstract
The cross metathesis of 1,2-epoxy-5-hexene (1) with methyl acrylate and acrylonitrile was investigated as an entry to the synthesis of polyfunctional compounds. The resulting cross metathesis products were hydrogenated in a tandem fashion employing the residual ruthenium from the metathesis step as the hydrogenation catalyst. Interestingly, the epoxide ring remained unreactive toward this hydrogenation method. The saturated compound resulting from the cross metathesis of 1 with methyl acrylate was transformed by means of nucleophilic ring-opening of the epoxide to furnish a diol, an alkoxy alcohol and an amino alcohol in high yields.
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Affiliation(s)
- Meriem K Abderrezak
- Université Frères Mentouri Constantine, Department of Chemistry, Laboratory of Therapeutic Substances Obtention (LOST), Chaabet Ersas Campus, 25000 Constantine, Algeria ; UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France
| | - Kristýna Šichová
- UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France ; Charles University in Prague, Faculty of Science, Department of Physical and Macromolecular Chemistry, Hlavova 2030, CZ-128 40 Prague, Czech Republic
| | - Nancy Dominguez-Boblett
- UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France ; Faculty of Chemistry, University of Seville, E-41012 Seville, Spain
| | - Antoine Dupé
- UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France
| | - Zahia Kabouche
- Université Frères Mentouri Constantine, Department of Chemistry, Laboratory of Therapeutic Substances Obtention (LOST), Chaabet Ersas Campus, 25000 Constantine, Algeria
| | - Christian Bruneau
- UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France
| | - Cédric Fischmeister
- UMR6226 CNRS, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, Organometallics: Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 35042 Rennes Cedex, France
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