1
|
Foscato M, Occhipinti G, Hopen Eliasson SH, Jensen VR. Automated de Novo Design of Olefin Metathesis Catalysts: Computational and Experimental Analysis of a Simple Thermodynamic Design Criterion. J Chem Inf Model 2024; 64:412-424. [PMID: 38247361 PMCID: PMC10806812 DOI: 10.1021/acs.jcim.3c01649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/14/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024]
Abstract
Methods for computational de novo design of inorganic molecules have paved the way for automated design of homogeneous catalysts. Such studies have so far relied on correlation-based prediction models as fitness functions (figures of merit), but the soundness of these approaches has yet to be tested by experimental verification of de novo-designed catalysts. Here, a previously developed criterion for the optimization of dative ligands L in ruthenium-based olefin metathesis catalysts RuCl2(L)(L')(═CHAr), where Ar is an aryl group and L' is a phosphine ligand dissociating to activate the catalyst, was used in de novo design experiments. These experiments predicted catalysts bearing an N-heterocyclic carbene (L = 9) substituted by two N-bound mesityls and two tert-butyl groups at the imidazolidin-2-ylidene backbone to be promising. Whereas the phosphine-stabilized precursor assumed by the prediction model could not be made, a pyridine-stabilized ruthenium alkylidene complex (17) bearing carbene 9 was less active than a known leading pyridine-stabilized Grubbs-type catalyst (18, L = H2IMes). A density functional theory-based analysis showed that the unsubstituted metallacyclobutane (MCB) intermediate generated in the presence of ethylene is the likely resting state of both 17 and 18. Whereas the design criterion via its correlation between the stability of the MCB and the rate-determining barrier indeed seeks to stabilize the MCB, it relies on RuCl2(L)(L')(═CH2) adducts as resting states. The change in resting state explains the discrepancy between the prediction and the actual performance of catalyst 17. To avoid such discrepancies and better address the multifaceted challenges of predicting catalytic performance, future de novo catalyst design studies should explore and test design criteria incorporating information from more than a single relative energy or intermediate.
Collapse
Affiliation(s)
- 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
| | | | - Vidar R. Jensen
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| |
Collapse
|
2
|
Li S, Feng S, Zhou Y, Liu C, Chen B, Xing X. Development of Highly Enantio- and Z-Selective Grubbs Catalysts via Controllable C-H Bond Activation. J Am Chem Soc 2023; 145:22745-22752. [PMID: 37800981 DOI: 10.1021/jacs.3c08420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Asymmetric olefin metathesis is a powerful strategy for stereocontrolled synthesis that allows the formation of chiral elements in conjunction with carbon-carbon double bonds. Here, we report a new series of cyclometalated stereogenic-at-Ru catalysts that enable highly efficient asymmetric ring opening/cross-metathesis (AROCM) and asymmetric ring-closing metathesis (ARCM) reactions. Single enantiomers of these catalysts with either right-handed or left-handed configurations at the Ru center can be easily accessed via highly stereoselective C-H bond activation-based cyclometalation. Right-handed chiral Ru catalysts enabled the Z- and enantioselective AROCM of a wide range of norbornenes and terminal alkenes, generating densely functionalized cyclopentanes with excellent stereo- and enantioselectivities (99:1 Z/E, up to 99% ee). Left-handed chiral Ru catalysts enabled the facile ARCM of sterically unhindered, all-terminal prochiral trienes, which had not been achieved by previous Ru catalysts, providing simple cyclic ethers and amides with tertiary or quaternary carbon stereocenters with excellent enantioselectivities (up to 99% ee).
Collapse
Affiliation(s)
- Shaofeng Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shijie Feng
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yali Zhou
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Chao Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Bo Chen
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiangyou Xing
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| |
Collapse
|
3
|
Ceramella J, Troiano R, Iacopetta D, Mariconda A, Pellegrino M, Catalano A, Saturnino C, Aquaro S, Sinicropi MS, Longo P. Synthesis of Novel N-Heterocyclic Carbene-Ruthenium (II) Complexes, “Precious” Tools with Antibacterial, Anticancer and Antioxidant Properties. Antibiotics (Basel) 2023; 12:antibiotics12040693. [PMID: 37107055 PMCID: PMC10135378 DOI: 10.3390/antibiotics12040693] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Ruthenium N-heterocyclic carbene (Ru-NHC) complexes show interesting physico-chemical properties as catalysts and potential in medicinal chemistry, exhibiting multiple biological activities, among them anticancer, antimicrobial, antioxidant, and anti-inflammatory. Herein, we designed and synthesized a new series of Ru-NHC complexes and evaluated their biological activities as anticancer, antibacterial, and antioxidant agents. Among the newly synthesized complexes, RANHC-V and RANHC-VI are the most active against triple-negative human breast cancer cell lines MDA-MB-231. These compounds were selective in vitro inhibitors of the human topoisomerase I activity and triggered cell death by apoptosis. Furthermore, the Ru-NHC complexes’ antimicrobial activity was studied against Gram-positive and -negative bacteria, revealing that all the complexes possessed the best antibacterial activity against the Gram-positive Staphylococcus aureus, at a concentration of 25 µg/mL. Finally, the antioxidant effect was assessed by DPPH and ABTS radicals scavenging assays, resulting in a higher ability for inhibiting the ABTS•+, with respect to the well-known antioxidant Trolox. Thus, this work provides encouraging insights for further development of novel Ru-NHC complexes as potent chemotherapeutic agents endowed with multiple biological properties.
Collapse
Affiliation(s)
- Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Rubina Troiano
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
| | - Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Annaluisa Mariconda
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy
| | - Michele Pellegrino
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Alessia Catalano
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy
| | - Carmela Saturnino
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy
| | - Stefano Aquaro
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy
| | - Pasquale Longo
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
| |
Collapse
|
4
|
C2-Symmetric N-Heterocyclic Carbenes in Asymmetric Transition-Metal Catalysis. Symmetry (Basel) 2022. [DOI: 10.3390/sym14081615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The last decades have witnessed a rapid growth of applications of N-heterocyclic carbenes (NHCs) in different chemistry fields. Due to their unique steric and electronic properties, NHCs have become a powerful tool in coordination chemistry, allowing the preparation of stable metal-ligand frameworks with both main group metals and transition metals. An overview on the use of five membered monodentate C2-symmetric N-heterocyclic carbenes (NHCs) as ligands for transition-metal complexes and their most relevant applications in asymmetric catalysis is offered.
Collapse
|
5
|
Pablo Martínez J, Solà M, Poater A. Predictive Catalysis in Olefin Metathesis with Ru-based Catalysts with Annulated C 60 Fullerenes in the N-heterocyclic Carbenes. Chemistry 2021; 27:18074-18083. [PMID: 34523164 DOI: 10.1002/chem.202100840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Indexed: 11/09/2022]
Abstract
Predictive catalysis must be the tool that does not replace experiments, but acts as a selective agent, so that synthetic strategies of maximum profitability are used in the laboratory in a surgical way. Here, nanotechnology has been used in olefin metathesis from homogeneous Ru-NHC catalysts, specifically annulating a C60 fullerene to the NHC ligand. Based on results with the C60 in the backbone, a sterile change with respect to the catalysis of the metal center, an attempt has been made to bring C60 closer to the metal, by attaching it to one of the two C-N bonds of the imidazole group of the SIMes (1,3-bis(2,4,6-trimethylphenyl)imidazolin-2-ylidene) ligand (reference NHC ligand of the 2nd generation Grubbs catalysts) to increase the steric pressure of C60 in the first sphere of reactivity of the metal. The DFT calculated thermodynamics and the kinetics of SIMes-derived systems show that they are efficient catalysts for olefin metathesis.
Collapse
Affiliation(s)
- Juan Pablo Martínez
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071 Catalonia, Girona, Spain
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071 Catalonia, Girona, Spain
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071 Catalonia, Girona, Spain
| |
Collapse
|
6
|
Groso EJ, Schindler CS. Recent advances in the application of ring-closing metathesis for the synthesis of unsaturated nitrogen heterocycles. SYNTHESIS-STUTTGART 2019; 51:1100-1114. [PMID: 31983781 PMCID: PMC6983305 DOI: 10.1055/s-0037-1611651] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This short review summarizes recent advances relating to the application of ring-closing olefin-olefin and carbonyl-olefin metathesis reactions towards the synthesis of unsaturated five- and six-membered nitrogen heterocycles. These developments include catalyst modifications and reaction designs that will enable access to more complex nitrogen heterocycles.
Collapse
Affiliation(s)
- Emilia J. Groso
- Department of Chemistry, Willard Henry Dow Laboratory, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Corinna S. Schindler
- Department of Chemistry, Willard Henry Dow Laboratory, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| |
Collapse
|
7
|
Lecourt C, Dhambri S, Allievi L, Sanogo Y, Zeghbib N, Ben Othman R, Lannou MI, Sorin G, Ardisson J. Natural products and ring-closing metathesis: synthesis of sterically congested olefins. Nat Prod Rep 2018; 35:105-124. [DOI: 10.1039/c7np00048k] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
This review highlights RCM reactions towards the synthesis of sterically congested natural products throughout the recent evolution of catalysts.
Collapse
Affiliation(s)
- C. Lecourt
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - S. Dhambri
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - L. Allievi
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - Y. Sanogo
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - N. Zeghbib
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - R. Ben Othman
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - M.-I. Lannou
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - G. Sorin
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| | - J. Ardisson
- Paris Descartes University
- Sorbonne Paris Cité
- Faculté des Sciences Pharmaceutiques et Biologiques
- Unité CNRS UMR 8638 COMÈTE
- 75270 Paris Cedex 06
| |
Collapse
|
8
|
Ambrosio C, Paradiso V, Costabile C, Bertolasi V, Caruso T, Grisi F. Stable ruthenium olefin metathesis catalysts bearing symmetrical NHC ligands with primary and secondary N-alkyl groups. Dalton Trans 2018; 47:6615-6627. [DOI: 10.1039/c8dt00619a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel ruthenium complexes with N,N′-dialkyl-substituted NHCs and their application in metathesis reactions involving model and biorenewable compounds are presented.
Collapse
Affiliation(s)
- Chiara Ambrosio
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Veronica Paradiso
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Chiara Costabile
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Valerio Bertolasi
- Dipartimento di Chimica and Centro di Strutturistica Diffrattometrica
- Università di Ferrara
- I-44100 Ferrara
- Italy
| | - Tonino Caruso
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Fabia Grisi
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| |
Collapse
|
9
|
Paradiso V, Bertolasi V, Costabile C, Caruso T, Dąbrowski M, Grela K, Grisi F. Expanding the Family of Hoveyda–Grubbs Catalysts Containing Unsymmetrical NHC Ligands. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00488] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Veronica Paradiso
- Dipartimento
di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Valerio Bertolasi
- Dipartimento
di Chimica and Centro di Strutturistica Diffrattometrica, Università di Ferrara, Via L. Borsari 46, I-44100 Ferrara, Italy
| | - Chiara Costabile
- Dipartimento
di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Tonino Caruso
- Dipartimento
di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Michał Dąbrowski
- Biological
and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Karol Grela
- Biological
and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Fabia Grisi
- Dipartimento
di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy
| |
Collapse
|
10
|
Synthesis of metathesis catalysts with fluorinated unsymmetrical N , N ’-diaryl imidazoline-based NHC ligands. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.06.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
|
11
|
César V, Zhang Y, Kośnik W, Zieliński A, Rajkiewicz AA, Ruamps M, Bastin S, Lugan N, Lavigne G, Grela K. Ruthenium Catalysts Supported by Amino-Substituted N-Heterocyclic Carbene Ligands for Olefin Metathesis of Challenging Substrates. Chemistry 2017; 23:1950-1955. [PMID: 27914097 DOI: 10.1002/chem.201604934] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Indexed: 11/06/2022]
Abstract
N-Heterocyclic carbene (NHC) ligands IMesNMe2 and IMes(NMe2)2 derived from the well-known IMes ligand by substituting the carbenic heterocycle with one and two dimethylamino groups, respectively, were employed for the synthesis of second-generation Grubbs- and Grubbs-Hoveyda-type ruthenium metathesis precatalysts. Whereas the stability of the complexes was found to depend on the degree of dimethylamino-substitution and on the type of complex, the backbone-substitution was shown to have a positive impact on their catalytic activity in ring-closing metathesis, with a more pronounced effect in the second-generation Grubbs-type series. The new complexes were successfully implemented in a number of challenging olefin metathesis reactions leading to the formation of tetra-substituted C=C double bonds and/or functionalized compounds.
Collapse
Affiliation(s)
- Vincent César
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Yin Zhang
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Wioletta Kośnik
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Adam Zieliński
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Adam A Rajkiewicz
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Mirko Ruamps
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Stéphanie Bastin
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Noël Lugan
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Guy Lavigne
- LCC-CNRS, Université de Toulouse, INPT, UPS, Toulouse, France), Fax: (+)33 (0) 5 61 55 30 03
| | - Karol Grela
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089, Warsaw, Poland
| |
Collapse
|
12
|
Savka R, Bergmann M, Kanai Y, Foro S, Plenio H. Triptycene-Based Chiral andmeso-N-Heterocyclic Carbene Ligands and Metal Complexes. Chemistry 2016; 22:9667-75. [DOI: 10.1002/chem.201601474] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Roman Savka
- Organometallic Chemistry; TU Darmstadt; Alarich-Weiss-Strasse 12 64287 Darmstadt Germany
| | - Marvin Bergmann
- Organometallic Chemistry; TU Darmstadt; Alarich-Weiss-Strasse 12 64287 Darmstadt Germany
| | - Yuki Kanai
- Organometallic Chemistry; TU Darmstadt; Alarich-Weiss-Strasse 12 64287 Darmstadt Germany
| | - Sabine Foro
- Department of Materials Science; TU Darmstadt; Alarich-Weiss-Strasse 2 64287 Darmstadt Germany
| | - Herbert Plenio
- Organometallic Chemistry; TU Darmstadt; Alarich-Weiss-Strasse 12 64287 Darmstadt Germany
| |
Collapse
|
13
|
Martínez JP, Vummaleti SVC, Falivene L, Nolan SP, Cavallo L, Solà M, Poater A. In Silico Olefin Metathesis with Ru-Based Catalysts Containing N-Heterocyclic Carbenes Bearing C60 Fullerenes. Chemistry 2016; 22:6617-23. [PMID: 27059290 DOI: 10.1002/chem.201600383] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Indexed: 11/11/2022]
Abstract
Density functional theory calculations have been used to explore the potential of Ru-based complexes with 1,3-bis(2,4,6-trimethylphenyl)imidazolin-2-ylidene (SIMes) ligand backbone (A) being modified in silico by the insertion of a C60 molecule (B and C), as olefin metathesis catalysts. To this end, we investigated the olefin metathesis reaction catalyzed by complexes A, B, and C using ethylene as the substrate, focusing mainly on the thermodynamic stability of all possible reaction intermediates. Our results suggest that complex B bearing an electron-withdrawing N-heterocyclic carbene improves the performance of unannulated complex A. The efficiency of complex B is only surpassed by complex A when the backbone of the N-heterocyclic carbene of complex A is substituted by two amino groups. The particular performance of complexes B and C has to be attributed to electronic factors, that is, the electronic-donating capacity of modified SIMes ligand rather than steric effects, because the latter are predicted to be almost identical for complexes B and C when compared to those of A. Overall, this study indicates that such Ru-based complexes B and C might have the potential to be effective olefin metathesis catalysts.
Collapse
Affiliation(s)
- Juan Pablo Martínez
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Catalonia, Spain
| | - Sai Vikrama Chaitanya Vummaleti
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Laura Falivene
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Steven P Nolan
- Department of Inorganic and Physical Chemistry, Universiteit Gent, Krijgslaan 281 - S3, 9000, Gent, Belgium.,Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Luigi Cavallo
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Catalonia, Spain
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Catalonia, Spain.
| |
Collapse
|
14
|
Paradiso V, Costabile C, Grisi F. NHC Backbone Configuration in Ruthenium-Catalyzed Olefin Metathesis. Molecules 2016; 21:E117. [PMID: 26805793 PMCID: PMC6274038 DOI: 10.3390/molecules21010117] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Revised: 01/09/2016] [Accepted: 01/11/2016] [Indexed: 12/02/2022] Open
Abstract
The catalytic properties of olefin metathesis ruthenium complexes bearing N-heterocyclic carbene ligands with stereogenic centers on the backbone are described. Differences in catalytic behavior depending on the backbone configurations of symmetrical and unsymmetrical NHCs are discussed. In addition, an overview on asymmetric olefin metathesis promoted by chiral catalysts bearing C₂-symmetric and C₁-symmetric NHCs is provided.
Collapse
Affiliation(s)
- Veronica Paradiso
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università di Salerno, Via Giovanni Paolo II 132, Fisciano I-84084, Salerno, Italy.
| | - Chiara Costabile
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università di Salerno, Via Giovanni Paolo II 132, Fisciano I-84084, Salerno, Italy.
| | - Fabia Grisi
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università di Salerno, Via Giovanni Paolo II 132, Fisciano I-84084, Salerno, Italy.
| |
Collapse
|
15
|
Perfetto A, Bertolasi V, Costabile C, Paradiso V, Caruso T, Longo P, Grisi F. Methyl and phenyl substituent effects on the catalytic behavior of NHC ruthenium complexes. RSC Adv 2016. [DOI: 10.1039/c6ra20608e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
NHCs with different combinations of methyl and phenyl substituents produce ruthenium second generation catalysts with different RCM behavior.
Collapse
Affiliation(s)
- Alessandra Perfetto
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Valerio Bertolasi
- Dipartimento di Scienze Chimiche e Farmaceutiche and Centro di Strutturistica Diffrattometrica
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Chiara Costabile
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Veronica Paradiso
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Tonino Caruso
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Pasquale Longo
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Fabia Grisi
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| |
Collapse
|
16
|
Paradiso V, Bertolasi V, Costabile C, Grisi F. Ruthenium olefin metathesis catalysts featuring unsymmetrical N-heterocyclic carbenes. Dalton Trans 2016; 45:561-71. [DOI: 10.1039/c5dt03758a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
New second generation ruthenium catalysts bearing unsymmetrical NHCs show different catalytic efficiencies depending on the size of the N-alkyl group (methyl or cyclohexyl) and on the backbone configuration.
Collapse
Affiliation(s)
- Veronica Paradiso
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Valerio Bertolasi
- Dipartimento di Chimica and Centro di Strutturistica Diffrattometrica
- Università di Ferrara
- I-44100 Ferrara
- Italy
| | - Chiara Costabile
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| | - Fabia Grisi
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università di Salerno
- I-84084 Fisciano
- Italy
| |
Collapse
|
17
|
Ivry E, Ben-Asuly A, Goldberg I, Lemcoff NG. Amino acids as chiral anionic ligands for ruthenium based asymmetric olefin metathesis. Chem Commun (Camb) 2015; 51:3870-3. [PMID: 25656548 DOI: 10.1039/c5cc00052a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Several amino acid ligands were introduced into the Hoveyda-Grubbs 2nd generation complex by a facile anionic ligand exchange. The chiral pre-catalysts obtained displayed enantioselectivity in asymmetric ring-closing and ring-opening cross-metathesis reactions. Reduction of the lability of the carboxylate ligands was found to be cardinal for improving the observed enantiomeric product enrichment.
Collapse
Affiliation(s)
- Elisa Ivry
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.
| | | | | | | |
Collapse
|
18
|
Borguet Y, Zaragoza G, Demonceau A, Delaude L. Ruthenium catalysts bearing a benzimidazolylidene ligand for the metathetical ring-closure of tetrasubstituted cycloolefins. Dalton Trans 2015; 44:9744-55. [PMID: 25734488 DOI: 10.1039/c5dt00433k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Deprotonation of 1,3-di(2-tolyl)benzimidazolium tetrafluoroborate with a strong base afforded 1,3-di(2-tolyl)benzimidazol-2-ylidene (BTol), which dimerized progressively into the corresponding dibenzotetraazafulvalene. The complexes [RhCl(COD)(BTol)] (COD is 1,5-cyclooctadiene) and cis-[RhCl(CO)2(BTol)] were synthesized to probe the steric and electronic parameters of BTol. Comparison of the percentage of buried volume (%VBur) and of the Tolman electronic parameter (TEP) of BTol with those determined previously for 1,3-dimesitylbenzimidazol-2-ylidene (BMes) revealed that the two N-heterocyclic carbenes displayed similar electron donicities, yet the 2-tolyl substituents took a slightly greater share of the rhodium coordination sphere than the mesityl groups, due to a more pronounced tilt. The anti,anti conformation adopted by BTol in the molecular structure of [RhCl(COD)(BTol)] ensured nonetheless a remarkably unhindered access to the metal center, as evidenced by steric maps. Second-generation ruthenium-benzylidene and isopropoxybenzylidene complexes featuring the BTol ligand were obtained via phosphine exchange from the first generation Grubbs and Hoveyda-Grubbs catalysts, respectively. The atropisomerism of the 2-tolyl substituents within [RuCl2(=CHPh)(PCy3)(BTol)] was investigated by using variable temperature NMR spectroscopy, and the molecular structures of all four possible rotamers of [RuCl2(=CH-o-O(i)PrC6H4)(BTol)] were determined by X-ray crystallography. Both complexes were highly active at promoting the ring-closing metathesis (RCM) of model α,ω-dienes. The replacement of BMes with BTol was particularly beneficial to achieve the ring-closure of tetrasubstituted cycloalkenes. More specifically, the stable isopropoxybenzylidene chelate enabled an almost quantitative RCM of two challenging substrates, viz., diethyl 2,2-bis(2-methylallyl)malonate and N,N-bis(2-methylallyl)tosylamide, within a few hours at 60 °C.
Collapse
Affiliation(s)
- Yannick Borguet
- Laboratory of Organometallic Chemistry and Homogeneous Catalysis, Institut de Chimie (B6a), Université de Liège, Sart-Tilman par 4000, Liège, Belgium.
| | | | | | | |
Collapse
|
19
|
|
20
|
Paradiso V, Bertolasi V, Grisi F. Novel Olefin Metathesis Ruthenium Catalysts Bearing Backbone-Substituted Unsymmetrical NHC Ligands. Organometallics 2014. [DOI: 10.1021/om500731k] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Veronica Paradiso
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Valerio Bertolasi
- Dipartimento
di Chimica and Centro di Strutturistica Diffrattometrica, Università di Ferrara, Via L. Borsari 46, I-44100 Ferrara, Italy
| | - Fabia Grisi
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| |
Collapse
|
21
|
Paredes-Gil K, Solans-Monfort X, Rodriguez-Santiago L, Sodupe M, Jaque P. DFT Study on the Relative Stabilities of Substituted Ruthenacyclobutane Intermediates Involved in Olefin Cross-Metathesis Reactions and Their Interconversion Pathways. Organometallics 2014. [DOI: 10.1021/om500718a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Katherine Paredes-Gil
- Departamento
de Ciencias Quı́micas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. Republica 275, Santiago, Chile
| | | | | | - Mariona Sodupe
- Departament
de Quı́mica, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Pablo Jaque
- Departamento
de Ciencias Quı́micas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. Republica 275, Santiago, Chile
| |
Collapse
|
22
|
Marx FTI, Jordaan JHL, Lachmann G, Vosloo HCM. A comparison of low and high activity precatalysts: do the calculated energy barriers during the self-metathesis reaction of 1-octene correlate with the precatalyst metathesis activity? J Comput Chem 2014; 35:1464-71. [PMID: 24866263 DOI: 10.1002/jcc.23642] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 05/05/2014] [Accepted: 05/06/2014] [Indexed: 01/02/2023]
Abstract
The self-metathesis reaction of 1-octene with several well-known Grubbs-type precatalysts and the new Z-selective Grubbs precatalyst were studied with molecular modeling. The obtained Gibbs-free energy values for all the steps during the productive metathesis of 1-octene were compared to the values obtained for some low catalytic activity precatalysts. Determining how the Gibbs-free energy values of highly active precatalysts compare to that of low catalytic activity precatalysts gave a deeper insight into the mechanism. The questionable correlation of the theoretically observed trends with those obtained experimentally does point to the need to be very cautious when making assumptions from theoretical results without a sufficiently large dataset.
Collapse
Affiliation(s)
- Frans T I Marx
- Research Focus Area for Chemical Resource Beneficiation:, Catalysis and Synthesis Group, North-West University, Hoffmann Street, Potchefstroom, 2520, South Africa
| | | | | | | |
Collapse
|
23
|
Marx FTI, Jordaan JHL, Lachmann G, Vosloo HCM. A molecular modeling study of the changes of some steric properties of the precatalysts during the olefin metathesis reaction. J Comput Chem 2014; 35:1457-63. [PMID: 24866082 DOI: 10.1002/jcc.23641] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 05/05/2014] [Accepted: 05/07/2014] [Indexed: 12/29/2022]
Abstract
The productive self-metathesis of 1-octene with a series of new phosphine ligated Grubbs-type precatalysts was studied. The resulting structures were used to compare some steric properties of the new precatalysts with those of well-known precatalysts. The possibility of α-CC agnostic stabilization as well as the ability of the ligands to shield the metal was studied. A comparison of the obtained data, pointed to the unlikelihood that α-CC agostic stabilization is a major contribution to the stabilization of the various metallacyclobutane rings. The similarity in the ability of the ligands to shield the metal also raised questions about the comparison of experimentally observed trends with those obtained theoretically.
Collapse
Affiliation(s)
- Frans T I Marx
- Research Focus Area for Chemical Resource Beneficiation: Catalysis and Synthesis Group, North-West University, Hoffmann Street, Potchefstroom, 2520, South Africa
| | | | | | | |
Collapse
|
24
|
Perfetto A, Costabile C, Longo P, Grisi F. Ruthenium Olefin Metathesis Catalysts with Frozen NHC Ligand Conformations. Organometallics 2014. [DOI: 10.1021/om5001452] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alessandra Perfetto
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Chiara Costabile
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Pasquale Longo
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| | - Fabia Grisi
- Dipartimento
di Chimica e Biologia, Università di Salerno, Via Giovanni
Paolo II 132, I-84084 Fisciano, Salerno, Italy
| |
Collapse
|
25
|
Costabile C, Sarno M, Grisi F, Latorraca N, Ciambelli P, Longo P. Influence of the catalyst-nanotube spacing on the synthesis of polymer-functionalized multiwalled carbon nanotubes by “grafting from” approach. JOURNAL OF POLYMER RESEARCH 2014. [DOI: 10.1007/s10965-014-0449-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
26
|
Mariconda A, Grisi F, Costabile C, Falcone S, Bertolasi V, Longo P. Synthesis, characterization and catalytic behaviour of a palladium complex bearing a hydroxy-functionalized N-heterocyclic carbene ligand. NEW J CHEM 2014. [DOI: 10.1039/c3nj01281f] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
|
27
|
Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2011. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2013.05.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
28
|
Perfetto A, Costabile C, Longo P, Bertolasi V, Grisi F. Probing the Relevance of NHC Ligand Conformations in the Ru-Catalysed Ring-Closing Metathesis Reaction. Chemistry 2013; 19:10492-6. [DOI: 10.1002/chem.201301540] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Indexed: 11/11/2022]
|
29
|
Mariconda A, Grisi F, Granito A, Longo P. Stereoselective Ring-Opening Metathesis Polymerization of 7-tert
-Butoxy-bicyclo[2,2,1]hepta-2,5-diene by NHC-Ruthenium Catalysts. MACROMOL CHEM PHYS 2013. [DOI: 10.1002/macp.201300069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
30
|
Wang T, Pranckevicius C, Lund CL, Sgro MJ, Stephan DW. Ruthenium Carbene–Diether Ligand Complexes: Catalysts for Hydrogenation of Olefins. Organometallics 2013. [DOI: 10.1021/om400044w] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tongen Wang
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, Canada M5S 3H6
| | - Conor Pranckevicius
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, Canada M5S 3H6
| | - Clinton L. Lund
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, Canada M5S 3H6
| | - Michael J. Sgro
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, Canada M5S 3H6
| | - Douglas W. Stephan
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, Canada M5S 3H6
| |
Collapse
|
31
|
Minenkov Y, Occhipinti G, Jensen VR. Complete Reaction Pathway of Ruthenium-Catalyzed Olefin Metathesis of Ethyl Vinyl Ether: Kinetics and Mechanistic Insight from DFT. Organometallics 2013. [DOI: 10.1021/om301192a] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yury Minenkov
- 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
| | - Vidar R. Jensen
- Department of Chemistry, University of Bergen, Allégaten
41, N-5007 Bergen, Norway
| |
Collapse
|
32
|
Nelson DJ, Queval P, Rouen M, Magrez M, Toupet L, Caijo F, Borré E, Laurent I, Crévisy C, Baslé O, Mauduit M, Percy JM. Synergic Effects Between N-Heterocyclic Carbene and Chelating Benzylidene–Ether Ligands Toward the Initiation Step of Hoveyda–Grubbs Type Ru Complexes. ACS Catal 2013. [DOI: 10.1021/cs400013z] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- David J. Nelson
- School of
Chemistry, University of St. Andrews, North
Haugh, Fife, St. Andrews,
KY16 9ST, United Kingdom
- WestCHEM Department of Pure and Applied Chemistry, Thomas Graham Building,
295 Cathedral Street, Glasgow, G1 1XL, United Kingdom
| | - Pierre Queval
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Mathieu Rouen
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Magaly Magrez
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Loïc Toupet
- Institut de Physique de Rennes Université Rennes 1, CNRS, UMR 6251
- Campus de Beaulieu Bâtiment 11A 263 av. Général
Leclerc 35042 Rennes Cedex, France
| | - Frédéric Caijo
- OMEGA CAT SYSTEM
Sarl, Ecole Nationale Supérieure de Chimie de Rennes, Avenue du Général Leclerc, CS
50837, 35708 Rennes
Cedex 7, France
| | - Etienne Borré
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Isabelle Laurent
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Christophe Crévisy
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Olivier Baslé
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Marc Mauduit
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226,
Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex
7, France
| | - Jonathan M. Percy
- WestCHEM Department of Pure and Applied Chemistry, Thomas Graham Building,
295 Cathedral Street, Glasgow, G1 1XL, United Kingdom
| |
Collapse
|
33
|
Nuñez-Zarur F, Solans-Monfort X, Rodríguez-Santiago L, Sodupe M. Exo/endo Selectivity of the Ring-Closing Enyne Methathesis Catalyzed by Second Generation Ru-Based Catalysts. Influence of Reactant Substituents. ACS Catal 2013. [DOI: 10.1021/cs300580g] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Francisco Nuñez-Zarur
- Departament de Química, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra,
Spain
| | - Xavier Solans-Monfort
- Departament de Química, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra,
Spain
| | - Luis Rodríguez-Santiago
- Departament de Química, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra,
Spain
| | - Mariona Sodupe
- Departament de Química, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra,
Spain
| |
Collapse
|
34
|
Torborg C, Szczepaniak G, Zieliński A, Malińska M, Woźniak K, Grela K. Stable ruthenium indenylidene complexes with a sterically reduced NHC ligand. Chem Commun (Camb) 2013; 49:3188-90. [DOI: 10.1039/c2cc37514a] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
35
|
|
36
|
Grisi F, Costabile C, Grimaldi A, Viscardi C, Saturnino C, Longo P. Synthesis of Unsaturated Macrocycles by Ru-Catalyzed Ring-Closing Metathesis: A Comparative Study. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200960] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
37
|
Knapkiewicz P, Skowerski K, Jaskólska DE, Barbasiewicz M, Olszewski TK. Nitration Under Continuous Flow Conditions: Convenient Synthesis of 2-Isopropoxy-5-nitrobenzaldehyde, an Important Building Block in the Preparation of Nitro-Substituted Hoveyda–Grubbs Metathesis Catalyst. Org Process Res Dev 2012. [DOI: 10.1021/op300116j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Paweł Knapkiewicz
- Division of Microengineering
and Photovoltaics, Faculty of Microsystem Electronics and Photonics, Wrocław University of Technology, ul. Janiszewskiego
11/17, 50-372 Wrocław, Poland
| | | | | | - Michał Barbasiewicz
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | | |
Collapse
|
38
|
|
39
|
Costabile C, Bocchino C, Napoli M, Longo P. Group 4 complexes bearing alkoxide functionalized N
-heterocyclic carbene ligands as catalysts in the polymerization of olefins. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26183] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
40
|
Delaude L, Demonceau A. Retracing the evolution of monometallic ruthenium–arene catalysts for C–C bond formation. Dalton Trans 2012; 41:9257-68. [DOI: 10.1039/c2dt30293d] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
41
|
Bieniek M, Samojłowicz C, Sashuk V, Bujok R, Śledź P, Lugan N, Lavigne G, Arlt D, Grela K. Rational Design and Evaluation of Upgraded Grubbs/Hoveyda Olefin Metathesis Catalysts: Polyfunctional Benzylidene Ethers on the Test Bench. Organometallics 2011. [DOI: 10.1021/om200463u] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Michał Bieniek
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Cezary Samojłowicz
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Volodymyr Sashuk
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Robert Bujok
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Paweł Śledź
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Noël Lugan
- Laboratoire de Chimie de Coordination du CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Guy Lavigne
- Laboratoire de Chimie de Coordination du CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Dieter Arlt
- University of Cologne, Albertus-Magnus-Platz, 50923 Köln, Germany
| | - Karol Grela
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| |
Collapse
|