1
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Jiang B, Zhu J, Xia Z, Lyu J, Li X, Zheng L, Chen C, Chaemchuen S, Bu T, Verpoort F, Mu S, Wu J, Wang J, Kou Z. Correlating Single-Atomic Ruthenium Interdistance with Long-Range Interaction Boosts Hydrogen Evolution Reaction Kinetics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310699. [PMID: 37967925 DOI: 10.1002/adma.202310699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/10/2023] [Indexed: 11/17/2023]
Abstract
Correlated single-atom catalysts (c-SACs) with tailored intersite metal-metal interactions are superior to conventional catalysts with isolated metal sites. However, precise quantification of the single-atomic interdistance (SAD) in c-SACs is not yet achieved, which is essential for a crucial understanding and remarkable improvement of the correlated metal-site-governed catalytic reaction kinetics. Here, three Ru c-SACs are fabricated with precise SAD using a planar organometallic molecular design and π-π molecule-carbon nanotube confinement. This strategy results in graded SAD from 2.4 to 9.3 Å in the Ru c-SACs, wherein tailoring the Ru SAD into 7.0 Å generates an exceptionally high turnover frequency of 17.92 H2 s-1 and a remarkable mass activity of 100.4 A mg-1 under 50 and 100 mV overpotentials, respectively, which is superior to all the Ru-based catalysts reported previously. Furthermore, density functional theory calculations confirm that Ru SAD has a negative correlation with its d-band center owing to the long-range interactions induced by distinct local atomic geometries, resulting in an appropriate electrostatic potential and the highest catalytic activity on c-SACs with 7.0 Å Ru SAD. The present study promises an attractive methodology for experimentally quantifying the metal SAD to provide valuable insights into the catalytic mechanism of c-SACs.
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Affiliation(s)
- Bowen Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, P. R. China
| | - Jiawei Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Zhenzhi Xia
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Jiahui Lyu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Nanostructure Research Center, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Xingchuan Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Lirong Zheng
- Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Sanya Science and Education Innovation Park of Wuhan University of Technology, Sanya, 572000, China
| | - Somboon Chaemchuen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Tongle Bu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Shichun Mu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Jinsong Wu
- Nanostructure Research Center, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - John Wang
- Department of Materials Science and Engineering, Faculty of Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Zongkui Kou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Sanya Science and Education Innovation Park of Wuhan University of Technology, Sanya, 572000, China
- Hubei Key Laboratory of Fuel Cell, Wuhan University of Technology, Wuhan, 430070, P. R. China
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2
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Paul T, Saikia PP, Borah D, Mahanta N, Baruah A, Borah JM, Saikia BJ, Raidongia K, Gogoi RK, Gogoi R. Ni(OH)
2
nanoparticles as a recyclable catalyst in acceptorless dehydrogenation of alcohols to acids/acid salts under aerobic conditions. ChemistrySelect 2023. [DOI: 10.1002/slct.202204713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Tumpa Paul
- Department of Chemistry Darrang College 784001 Tezpur India
| | | | | | | | - Arabinda Baruah
- Department of Chemistry Gauhati University 781014 Guwahati India
| | | | | | | | | | - Raktim Gogoi
- Department of Chemistry IIT Guwahati 781039 Guwahati India
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3
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Shahid N, Singh RK, Srivastava N, Singh AK. Base-free synthesis of benchtop stable Ru(III)-NHC complexes from RuCl 3·3H 2O and their use as precursors for Ru(II)-NHC complexes. Dalton Trans 2023; 52:4176-4185. [PMID: 36892246 DOI: 10.1039/d3dt00243h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
A series of Ru(III)-NHC complexes, identified as [RuIII(PyNHCR)(Cl)3(H2O)] (1a-c), have been prepared, starting from RuCl3·3H2O following a base-free route. The Lewis acidic Ru(III) centre operates via a halide-assisted, electrophilic C-H activation for carbene generation. The best results were obtained with azolium salts having the I- anion, while ligand precursors with Cl-, BF4-, and PF6- gave no complex formation and those with Br- gave a product with mixed halides. The structurally simple, air and moisture-stable complexes represent rare examples of paramagnetic Ru(III)-NHC complexes. Furthermore, these benchtop stable Ru(III)-NHC complexes were shown to be excellent metal precursors for the synthesis of new [RuII(PyNHCR)(Cl)2(PPh3)2] (2a-c) and [RuII(PyNHCR)(CNCMe)I]PF6 (3a-c) complexes. All the complexes have been characterised using spectroscopic methods, and the structures of 1a, 1b, 2c, and 3a have been determined using the single-crystal X-ray diffraction technique. This work allows easy access to new Ru-NHC complexes for the study of new properties and novel applications.
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Affiliation(s)
- Nida Shahid
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India.
| | - Rahul Kumar Singh
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India.
| | - Navdeep Srivastava
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India.
| | - Amrendra K Singh
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India.
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4
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Rational design of cobalt catalysts embedded in N-Doped carbon for the alcohol dehydrogenation to carboxylic acids. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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5
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Zeolitic Imidazolate Framework-8 as an Efficient and Facile Heterogeneous Catalyst for the Acceptorless Alcohol Dehydrogenation to Carboxylates. J Catal 2022. [DOI: 10.1016/j.jcat.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Tabasi NS, Genç S, Gülcemal D. Tuning the selectivity in iridium-catalyzed acceptorless dehydrogenative coupling of primary alcohols. Org Biomol Chem 2022; 20:6582-6592. [PMID: 35913502 DOI: 10.1039/d2ob01142e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An acceptorless dehydrogenative coupling of primary alcohols to carboxylic acids/carboxylates, esters, and Guerbet alcohols (via both homo- and cross-β-alkylation of the alcohols) in the presence of an N-heterocyclic carbene iridium(I) catalyst was developed under aerobic conditions. The product selectivity can be easily tuned among the products with a single catalyst through simple modification of the reaction conditions, such as the catalyst and base amounts, the choice of base, and the reaction temperature.
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Affiliation(s)
- Nihal S Tabasi
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Sertaç Genç
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Derya Gülcemal
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
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7
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Hafeez J, Bilal M, Rasool N, Hafeez U, Adnan Ali Shah S, Imran S, Amiruddin Zakaria Z. Synthesis of Ruthenium complexes and their catalytic applications: A review. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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8
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Bordoloi K, Kalita GD, Das P. Acceptorless dehydrogenation of alcohols to carboxylic acids by palladium nanoparticles supported on NiO: delving into metal-support cooperation in catalysis. Dalton Trans 2022; 51:9922-9934. [PMID: 35723167 DOI: 10.1039/d2dt01311h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In this work, we have developed a simple NiO-supported Pd nanocatalyst (Pd@NiO) for oxidant-free dehydrogenative oxidation of primary alcohols to carboxylic acids along with hydrogen gas as a byproduct. The catalyst has been characterized by techniques like XRD, HRTEM, SEM-EDX, XPS and ICP-AES. The nanostructured Pd@NiO material showed excellent dehydrogenative oxidation activity and outperformed the activity of free NiO or Pd nanoparticles supported on silica/carbon as a catalyst, which could be attributed to synergistic effect of Pd and NiO. A diverse range of aromatic and aliphatic primary alcohols could be efficiently converted to their corresponding carboxylates in high yields with a catalyst loading as low as 0.08 mol%. Notably, highly challenging biomass derived heterocyclic alcohols such as furfuryl alcohol and piperonyl alcohol can also be efficiently converted to their corresponding acids. Moreover, our catalyst can convert benzyl alcohol to benzoic acid on a gram scale with 89% yield. Interestingly, the H2 gas liberated in the reaction can also be used as a substrate for the hydrogenation of 3a to 4a in 65% yield. The nanostructured catalyst is highly reusable and no significant decrease in activity was observed after six reaction cycles. A kinetic study revealed that the reaction followed first-order kinetics with a rate constant of k = 1.47 × 10-4 s-1, under optimized conditions. The extent of reactivity of different functionalities towards dehydrogenation was also investigated using a Hammett plot showing good linearity.
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Affiliation(s)
- Krisangi Bordoloi
- Department of Chemistry, Dibrugarh University, Dibrugarh 786004, Assam, India.
| | | | - Pankaj Das
- Department of Chemistry, Dibrugarh University, Dibrugarh 786004, Assam, India.
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9
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Chen ZW, Ma F, Liu Y, Mo XF, Chen G, Peng X, Yi XY. Geometrical isomerization and acceptorless dehydrogenative alcohol oxidation based on pyrrole-based Ru(Ⅱ) complexes. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Jiang B, Chen C, Fan G, Sang W, Cheng H, Zhang R, Yuan Y, Li Q, Verpoort F. Cs
2
CO
3
‐Promoted C−O Coupling Protocol Enables Solventless (Hetero)aryl Ether Synthesis under Air Atmosphere. Chem Asian J 2022; 17:e202101370. [DOI: 10.1002/asia.202101370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/13/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Bowen Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
| | - Guang‐Gao Fan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
| | - Wei Sang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
| | - Hua Cheng
- Department of Chemical Engineering and Food Science Hubei University of Arts and Science Xiangyang 441053 P. R. China
| | - Rui Zhang
- Department of Chemical Engineering and Food Science Hubei University of Arts and Science Xiangyang 441053 P. R. China
| | - Ye Yuan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
| | - Qi‐Zhong Li
- North China Institute of Science and Technology 467 Xueyuan street, East Yanjiao Beijing 101601 P. R. China
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 P. R. China
- National Research Tomsk Polytechnic University Tomsk 634050 Russian Federation
- Ghent University Global Campus 119 Songdomunhwa-Ro, Yeonsu-Gu Incheon 21985 Korea
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11
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Nair PP, Jayaraj A, Swamy P CA. Recent Advances in Benzimidazole Based NHC‐Metal Complex Catalysed Cross‐Coupling Reactions**. ChemistrySelect 2022. [DOI: 10.1002/slct.202103517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Pravya P. Nair
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
- Institute for Integrated programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala 686560 India
| | - Anjitha Jayaraj
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
| | - Chinna Ayya Swamy P
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
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12
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Tamilthendral V, Ramesh R, Malecki JG. New ruthenium( ii) catalysts enable the synthesis of 2-amino-4 H-chromenes using primary alcohols via acceptorless dehydrogenative coupling. NEW J CHEM 2022. [DOI: 10.1039/d2nj03268f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Direct access to a diverse range of 2-amino-4H-chromenes was established in excellent yields through a one-pot multicomponent ADC reaction of benzyl alcohols catalysed by p-cymene Ru(ii) complexes under additive/promotor-free conditions.
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Affiliation(s)
- Veerappan Tamilthendral
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli-620 024, Tamilnadu, India
| | - Rengan Ramesh
- Centre for Organometallic Chemistry, School of Chemistry, Bharathidasan University, Tiruchirappalli-620 024, Tamilnadu, India
| | - Jan Grzegorz Malecki
- Department of Crystallography, Institute of Chemistry, University of Silesia, 40-006 Katowice, Poland
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13
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Neshat A, Mastrorilli P, Mousavizadeh Mobarakeh A. Recent Advances in Catalysis Involving Bidentate N-Heterocyclic Carbene Ligands. Molecules 2021; 27:95. [PMID: 35011327 PMCID: PMC8746573 DOI: 10.3390/molecules27010095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/02/2021] [Accepted: 12/13/2021] [Indexed: 11/17/2022] Open
Abstract
Since the discovery of persistent carbenes by the isolation of 1,3-di-l-adamantylimidazol-2-ylidene by Arduengo and coworkers, we witnessed a fast growth in the design and applications of this class of ligands and their metal complexes. Modular synthesis and ease of electronic and steric adjustability made this class of sigma donors highly popular among chemists. While the nature of the metal-carbon bond in transition metal complexes bearing N-heterocyclic carbenes (NHCs) is predominantly considered to be neutral sigma or dative bonds, the strength of the bond is highly dependent on the energy match between the highest occupied molecular orbital (HOMO) of the NHC ligand and that of the metal ion. Because of their versatility, the coordination chemistry of NHC ligands with was explored with almost all transition metal ions. Other than the transition metals, NHCs are also capable of establishing a chemical bond with the main group elements. The advances in the catalytic applications of the NHC ligands linked with a second tether are discussed. For clarity, more frequently targeted catalytic reactions are considered first. Carbon-carbon coupling reactions, transfer hydrogenation of alkenes and carbonyl compounds, ketone hydrosilylation, and chiral catalysis are among highly popular reactions. Areas where the efficacy of the NHC based catalytic systems were explored to a lesser extent include CO2 reduction, C-H borylation, alkyl amination, and hydroamination reactions. Furthermore, the synthesis and applications of transition metal complexes are covered.
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Affiliation(s)
- Abdollah Neshat
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran;
| | - Piero Mastrorilli
- Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica, Politecnico di Bari, Via Orabona, I-70125 Bari, Italy;
| | - Ali Mousavizadeh Mobarakeh
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran;
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14
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Benaissa I, Gajda K, Vendier L, Lugan N, Kajetanowicz A, Grela K, Michelet V, César V, Bastin S. An Anionic, Chelating C(sp 3)/NHC ligand from the Combination of an N-heterobicyclic Carbene and Barbituric Heterocycle. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Idir Benaissa
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Katarzyna Gajda
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Laure Vendier
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Noël Lugan
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Anna Kajetanowicz
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Karol Grela
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Véronique Michelet
- University Côte d’Azur, Institut de Chimie de Nice, UMR 7272 CNRS Parc Valrose, Faculté des Sciences, 06100 Nice, France
| | - Vincent César
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Stéphanie Bastin
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
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15
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Tan WY, Lu Y, Zhao JF, Chen W, Zhang H. Oxidation of Primary Alcohols and Aldehydes to Carboxylic Acids via Hydrogen Atom Transfer. Org Lett 2021; 23:6648-6653. [PMID: 34474568 DOI: 10.1021/acs.orglett.1c02188] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The oxidation of primary alcohols and aldehydes to the corresponding carboxylic acids is a fundamental reaction in organic synthesis. In this paper, we report a new chemoselective process for the oxidation of primary alcohols and aldehydes. This metal-free reaction features a new oxidant, an easy to handle procedure, high isolated yields, and good to excellent functional group tolerance even in the presence of vulnerable secondary alcohols and tert-butanesulfinamides.
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Affiliation(s)
- Wen-Yun Tan
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research and Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, People's Republic of China
| | - Yi Lu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research and Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, People's Republic of China
| | - Jing-Feng Zhao
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research and Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, People's Republic of China
| | - Wen Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research and Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, People's Republic of China
| | - Hongbin Zhang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research and Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, People's Republic of China
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16
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Tiwari CS, Illam PM, Donthireddy SNR, Rit A. Recent Advances in the Syntheses and Catalytic Applications of Homonuclear Ru-, Rh-, and Ir-Complexes of C NHC ^C Cyclometalated Ligands. Chemistry 2021; 27:16581-16600. [PMID: 34469015 DOI: 10.1002/chem.202102540] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Indexed: 12/17/2022]
Abstract
In the past few decades, chemistry of cyclometalated species has gained momentum with increased applications in several areas of scientific developments. Cyclometalation reactions result in the formation of stable metallacycles through the generation of metal-carbon covalent bonds by activating the unreactive Csp2 -H or Csp3 -H bonds. The extra stability gained by the formation of metallacycles enhances their applicability scopes especially in the area of homogeneous catalysis. In the recent research development in this area, NHC ligands (strong σ-donor and generally, weak π-acceptor) have been found to be one of the most suitable candidates for the intramolecular C-H activation process which leads to the cyclometalated species. The growth in the area of cyclometalation chemistry that started in the late 20th century is still continuing and in the past few decades, various examples of NHC derived transition metal-based cyclometalated complexes came into the picture. As covering all the reported literatures in this area (includes mainly late transition metals) will exceed the limits of minireview, we restricted ourselves to the recent (2015 - May 2021) examples of the most common Ru-, Rh-, and Ir-based CNHC ^C cyclometalated complexes and their applications in various homogeneous catalytic conversions such as transfer hydrogenation, amidation, oxidation of alcohols, annulations, and so forth.
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Affiliation(s)
| | | | - S N R Donthireddy
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Arnab Rit
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
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17
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Huang M, Liu J, Li Y, Lan XB, Su P, Zhao C, Ke Z. Recent advances on N-heterocyclic carbene transition metal complexes for dehydrogenative catalysis using alcohols. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.10.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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18
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Martynova EA, Tzouras NV, Pisanò G, Cazin CSJ, Nolan SP. The “weak base route” leading to transition metal–N-heterocyclic carbene complexes. Chem Commun (Camb) 2021; 57:3836-3856. [DOI: 10.1039/d0cc08149c] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
N-Heterocyclic carbenes (NHCs) are nowadays ubiquitous in organometallic chemistry and catalysis. A simple synthetic route to these is presented.
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Affiliation(s)
- Ekaterina A. Martynova
- Department of Chemistry and Centre for Sustainable Chemistry
- Ghent University
- 9000 Gent
- Belgium
| | - Nikolaos V. Tzouras
- Department of Chemistry and Centre for Sustainable Chemistry
- Ghent University
- 9000 Gent
- Belgium
| | - Gianmarco Pisanò
- Department of Chemistry and Centre for Sustainable Chemistry
- Ghent University
- 9000 Gent
- Belgium
| | - Catherine S. J. Cazin
- Department of Chemistry and Centre for Sustainable Chemistry
- Ghent University
- 9000 Gent
- Belgium
| | - Steven P. Nolan
- Department of Chemistry and Centre for Sustainable Chemistry
- Ghent University
- 9000 Gent
- Belgium
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19
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Özer H, Arslan D, Öztürk BÖ. Dehydrogenative alcohol coupling and one-pot cross metathesis/dehydrogenative coupling reactions of alcohols using Hoveyda–Grubbs catalysts. NEW J CHEM 2021. [DOI: 10.1039/d1nj00255d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Grubbs catalysts are shown to catalyze one-pot cross-metathesis/dehydrogenative alcohol coupling reactions in an efficient manner.
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Affiliation(s)
- Halenur Özer
- Hacettepe University
- Faculty of Science
- Chemistry Department
- Beytepe-Ankara
- Turkey
| | - Dilan Arslan
- Hacettepe University
- Faculty of Science
- Chemistry Department
- Beytepe-Ankara
- Turkey
| | - Bengi Özgün Öztürk
- Hacettepe University
- Faculty of Science
- Chemistry Department
- Beytepe-Ankara
- Turkey
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20
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Li L, Han F, Nie X, Hong Y, Ivlev S, Meggers E. Complementing Pyridine-2,6-bis(oxazoline) with Cyclometalated N-Heterocyclic Carbene for Asymmetric Ruthenium Catalysis. Angew Chem Int Ed Engl 2020; 59:12392-12395. [PMID: 32394593 PMCID: PMC7384177 DOI: 10.1002/anie.202004243] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Indexed: 12/16/2022]
Abstract
A strategy for expanding the utility of chiral pyridine-2,6-bis(oxazoline) (pybox) ligands for asymmetric transition metal catalysis is introduced by adding a bidentate ligand to modulate the electronic properties and asymmetric induction. Specifically, a ruthenium(II) pybox fragment is combined with a cyclometalated N-heterocyclic carbene (NHC) ligand to generate catalysts for enantioselective transition metal nitrenoid chemistry, including ring contraction to chiral 2H-azirines (up to 97 % ee with 2000 TON) and enantioselective C(sp3 )-H aminations (up to 97 % ee with 50 TON).
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Affiliation(s)
- Long Li
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
| | - Feng Han
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
| | - Xin Nie
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
| | - Yubiao Hong
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
| | - Sergei Ivlev
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
| | - Eric Meggers
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435043MarburgGermany
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21
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Genç S, Gülcemal S, Günnaz S, Çetinkaya B, Gülcemal D. Iridium-Catalyzed Alkylation of Secondary Alcohols with Primary Alcohols: A Route to Access Branched Ketones and Alcohols. J Org Chem 2020; 85:9139-9152. [DOI: 10.1021/acs.joc.0c01099] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sertaç Genç
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey
| | | | - Salih Günnaz
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey
| | - Bekir Çetinkaya
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey
| | - Derya Gülcemal
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey
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22
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Li L, Han F, Nie X, Hong Y, Ivlev S, Meggers E. Ergänzung von Pyridin‐2,6‐bisoxazolin mit einem cyclometallierten N‐heterocyclischen Carben für die asymmetrische Ru‐Katalyse. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Long Li
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
| | - Feng Han
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
| | - Xin Nie
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
| | - Yubiao Hong
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
| | - Sergei Ivlev
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
| | - Eric Meggers
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Deutschland
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23
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Chen W, Egly J, Poblador-Bahamonde AI, Maisse-Francois A, Bellemin-Laponnaz S, Achard T. Synthesis, characterization, catalytic and biological application of half-sandwich ruthenium complexes bearing hemilabile (κ2-C,S)-thioether-functionalised NHC ligands. Dalton Trans 2020; 49:3243-3252. [PMID: 32096513 DOI: 10.1039/c9dt04825a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A series of cationic Ru(ii)(η6-p-cymene) complexes with thioether-functionalised N-heterocyclic carbene ligands have been prepared and fully characterized. Steric and electronic influence of the R thioether substituent on the coordination of the sulfur atom was investigated. The molecular structure of three of them has been determined by means of X-ray diffractrometry and confirmed the bidentate (κ2-C,S) coordination mode of the ligand. Interestingly, only a single diastereomer, as an enantiomeric couple, was observed in the solid state for complexes 1c, 1i and 1j. DFT calculations established a low energy inversion barrier between the two diastereomers through a sulfur pyramidal inversion pathway with R donating group while a dissociative/associative mechanism is more likely with R substituents that contain electron withdrawing group, thus suggesting that the only species observed by the 1H-NMR correspond to an average resonance position of a fluxional mixtures of isomers. All these complexes were found to catalyse the oxydant-free double dehydrogenation of primary amine into nitrile. Ru complex bearing NHC-functionalised S-tBu group was further investigated in a wide range of amines and was found more selective for alkyl amine substrates than for benzylamine derivatives. Finally, preliminary results of the biological effects on various human cancer cells of four selected Ru complexes are reported.
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Affiliation(s)
- Weiguang Chen
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg-CNRS UMR7504, 23 rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France.
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24
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Zhu YQ, Zhang R, Sang W, Wang HJ, Wu Y, Yu BY, Zhang JC, Cheng H, Chen C. Ligand-controlled palladium catalysis enables switch between mono- and di-arylation of primary aromatic amines with 2-halobenzothiazoles. Org Chem Front 2020. [DOI: 10.1039/d0qo00361a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Mono- and di-arylation was switchable simply by varying the applied ligand from Xantphos to a pyridine-functionalized N-heterocyclic carbene (NHC) ligand.
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Affiliation(s)
- Yan-Qiu Zhu
- Department of Chemical Engineering and Food Science
- Hubei University of Arts and Science
- Xiangyang 441053
- P. R. China
| | - Rui Zhang
- Department of Chemical Engineering and Food Science
- Hubei University of Arts and Science
- Xiangyang 441053
- P. R. China
| | - Wei Sang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Hua-Jing Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Yuan Wu
- Key Laboratory of Pesticide & Chemical Biology
- Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan 430079
| | - Bao-Yi Yu
- Key Laboratory of Urban Agriculture (North China)
- Ministry of Agriculture
- Beijing University of Agriculture
- Beijing 102206
- P. R. China
| | - Jun-Chao Zhang
- Department of Chemical Engineering and Food Science
- Hubei University of Arts and Science
- Xiangyang 441053
- P. R. China
| | - Hua Cheng
- Department of Chemical Engineering and Food Science
- Hubei University of Arts and Science
- Xiangyang 441053
- P. R. China
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
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25
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Highly Efficient N-Heterocyclic Carbene/Ruthenium Catalytic Systems for the Acceptorless Dehydrogenation of Alcohols to Carboxylic Acids: Effects of Ancillary and Additional Ligands. Catalysts 2019. [DOI: 10.3390/catal10010010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The transition-metal-catalyzed alcohol dehydrogenation to carboxylic acids has been identified as an atom-economical and attractive process. Among various catalytic systems, Ru-based systems have been the most accessed and investigated ones. With our growing interest in the discovery of new Ru catalysts comprising N-heterocyclic carbene (NHC) ligands for the dehydrogenative reactions of alcohols, we designed and prepared five NHC/Ru complexes ([Ru]-1–[Ru]-5) bearing different ancillary NHC ligands. Moreover, the effects of ancillary and additional ligands on the alcohol dehydrogenation with KOH were thoroughly explored, followed by the screening of other parameters. Accordingly, a highly active catalytic system, which is composed of [Ru]-5 combined with an additional NHC precursor L5, was discovered, affording a variety of acid products in a highly efficient manner. Gratifyingly, an extremely low Ru loading (125 ppm) and the maximum TOF value until now (4800) were obtained.
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26
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Sang W, Gavi AJ, Yu BY, Cheng H, Yuan Y, Wu Y, Lommens P, Chen C, Verpoort F. Palladium-Catalyzed Ligand-Free C-N Coupling Reactions: Selective Diheteroarylation of Amines with 2-Halobenzimidazoles. Chem Asian J 2019; 15:129-135. [PMID: 31762212 DOI: 10.1002/asia.201901465] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/15/2019] [Indexed: 12/14/2022]
Abstract
2-Aminobenzimidazoles are widely present in a number of bioactive molecules. Generally, the preparation of these molecules could be realized by the mono-substitution of 2-halobenzimidazoles with amines. However, rare examples were reported for the di-substituted products and the selectivity of mono- vs. di-substitution was relatively low. Considering the potential values of the di-substituted products, we accomplished the first selective diheteroarylation of amines with 2-halobenzimidazoles. Notably, this Pd-catalyzed transformation was realized under ligand-free conditions. Accordingly, numerous target products were efficiently produced from various aromatic or aliphatic amines and 2-halobenzimidazoles. It was worth noting that two representative products were further confirmed by X-ray crystallography. More significantly, this catalytic process could be applied to the synthesis and discovery of new bioactive compounds, which demonstrated the synthetic usefulness of this newly developed approach.
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Affiliation(s)
- Wei Sang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, P. R. China.,School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, P. R. China
| | - Ayao Jean Gavi
- Odisee/KU Leuven Technology Campus, Gebroeders de Smetstraat 1, 9000, Ghent, Belgium
| | - Bao-Yi Yu
- Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture, Beijing University of Agriculture, Beinong Road 7, Beijing, 102206, P. R. China
| | - Hua Cheng
- Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, 296 Longzhong Road, Xiangyang, 441053, P. R. China
| | - Ye Yuan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, P. R. China
| | - Yuan Wu
- College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, P. R. China
| | - Petra Lommens
- Odisee/KU Leuven Technology Campus, Gebroeders de Smetstraat 1, 9000, Ghent, Belgium
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, P. R. China
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, P. R. China.,National Research Tomsk Polytechnic University, Tomsk, 634050, Russian Federation.,Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 21985, Korea
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