1
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Sarmah D, Choudhury A, Bora U. Palladium nanoparticle catalyzed synthesis of indoles via intramolecular Heck cyclisation. Org Biomol Chem 2024; 22:6419-6431. [PMID: 39069947 DOI: 10.1039/d4ob01177e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
A system utilizing palladium(II)-PEG has been devised for the intramolecular Heck cyclization of N-vinyl and N-allyl-2-haloanilines. The synthesis of a variety of indoles, including 2,3-diester substituted ones and 3-methyl indoles, has been accomplished using this catalytic system. The N-vinyl starting materials are obtained by the aza-Michael addition of 2-haloanilines with alkynecarboxylate esters, which, upon cyclization, yield ester-substituted indoles. Conversely, N-allyl-2-haloanilines yield 3-methylated indoles as the major products. The high activity of the system is owed to the in situ generation of Pd nanoparticles.
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Affiliation(s)
- Debasish Sarmah
- Dept of Chemical Sciences, Tezpur University, Napam, Sonitpur, Assam, India.
- Department of Chemistry, Dakshin Kamup College, Mirza, Kamrup, Assam, India
| | - Anup Choudhury
- Department of Chemistry, Handique Girls' College, Guwahati, Assam, India
| | - Utpal Bora
- Dept of Chemical Sciences, Tezpur University, Napam, Sonitpur, Assam, India.
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2
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Newton O, Takle MJ, Richardson J, Hellgardt K, Hii KKM. Deconvoluting Substrates, Support, and Temperature Effects on Leaching and Deactivation of Pd Catalysts: An In Situ Study in Flow. ACS Catal 2024; 14:9678-9686. [PMID: 38988654 PMCID: PMC11232010 DOI: 10.1021/acscatal.4c02028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 07/12/2024]
Abstract
Leaching behavior of three different Pd heterogeneous catalysts (PdEnCat 30, FibreCat FC1001, and Pd/Al2O3) during the Heck reaction of iodobenzene and methyl acrylate, in the presence of triethylamine, was compared using a tandem flow reactor. While leaching was observed in all three cases, Pd/Al2O3 appeared to be the most robust, showing little/no leaching at ambient temperature. The leached Pd species also appear to display different catalytic activities. With a slight modification of the reactor, the leaching caused by individual components of the reaction mixture can be assessed separately. For the polymer-supported catalysts, triethylamine caused the largest amount of leaching, even at 30 °C. In contrast, the leaching from Pd/Al2O3 was observed only in the presence of iodobenzene at 90 °C. Variations in leaching behavior were ascribed to differences in Pd species and immobilization methods.
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Affiliation(s)
- Oliver
J. Newton
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
82, Wood Lane, London W12
0BZ, U.K.
| | - Matthew J. Takle
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
82, Wood Lane, London W12
0BZ, U.K.
| | - Jeffery Richardson
- Discovery
Chemistry Research and Technologies, Eli
Lilly and Company, Windlesham, Surrey GU20 6PH, U.K.
| | - Klaus Hellgardt
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, South Kensington, London SW7 2AZ, U.K.
| | - King Kuok Mimi Hii
- Department
of Chemistry, Imperial College London, Molecular Sciences Research Hub,
82, Wood Lane, London W12
0BZ, U.K.
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3
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Jeddi N, Scott NWJ, Tanner T, Beaumont SK, Fairlamb IJS. Evidence for Suzuki-Miyaura cross-couplings catalyzed by ligated Pd 3-clusters: from cradle to grave. Chem Sci 2024; 15:2763-2777. [PMID: 38404373 PMCID: PMC10882490 DOI: 10.1039/d3sc06447f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/08/2024] [Indexed: 02/27/2024] Open
Abstract
Pdn clusters offer unique selectivity and exploitable reactivity in catalysis. Understanding the behavior of Pdn clusters is thus critical for catalysis, applied synthetic organic chemistry and greener outcomes for precious Pd. The Pd3 cluster, [Pd3(μ-Cl)(μ-PPh2)2(PPh3)3][Cl] (denoted as Pd3Cl2), which exhibits distinctive reactivity, was synthesized and immobilized on a phosphine-functionalized polystyrene resin (denoted as immob-Pd3Cl2). The resultant material served as a tool to study closely the role of Pd3 clusters in a prototypical Suzuki-Miyaura cross-coupling of 4-fluoro-1-bromobenzene and 4-methoxyphenyl boronic acid at varying low Pd ppm concentrations (24, 45, and 68 ppm). Advanced heterogeneity tests such as Hg poisoning and the three-phase test showed that leached mononuclear or nanoparticulate Pd are unlikely to be the major active catalyst species under the reaction conditions tested. EXAFS/XANES analysis from (pre)catalyst and filtered catalysts during and after catalysis has shown the intactness of the triangular structure of the Pd3X2 cluster, with exchange of chloride (X) by bromide during catalytic turnover of bromoarene substrate. This finding is further corroborated by treatment of immob-Pd3Cl2 after catalyzing the Suzuki-Miyaura reaction with excess PPh3, which releases the cluster from the polymer support and so permits direct observation of [Pd3(μ-Br)(μ-PPh2)2(PPh3)3]+ ions by ESI-MS. No evidence is seen for a proposed intermediate in which the bridging halogen on the Pd3 motif is replaced by an aryl group from the organoboronic acid, i.e. formed by a transmetallation-first process. Our findings taken together indicate that the 'Pd3X2' motif is an active catalyst species, which is stabilized by being immobilized, providing a more robust Pd3 cluster catalyst system. Non-immobilized Pd3Cl2 is less stable, as is followed by stepwise XAFS of the non-immobilized Pd3Cl2, which gradually changes to a species consistent with 'Pdx(PPh3)y' type material. Our findings have far-reaching future implications for Pd3 cluster involvement in catalysis, showing that immobilization of Pd3 cluster species offers advantages for rigorous mechanistic examination and applied chemistries.
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Affiliation(s)
- Neda Jeddi
- Department of Chemistry, University of York York YO20 5DD UK
| | - Neil W J Scott
- Department of Chemistry, University of York York YO20 5DD UK
| | - Theo Tanner
- Department of Chemistry, University of York York YO20 5DD UK
| | - Simon K Beaumont
- Department of Chemistry, Durham University South Road Durham DH1 3LE UK
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4
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Neyyathala A, Flecken F, Rang F, Papke C, Hanf S. Support Engineering for the Stabilisation of Heterogeneous Pd 3 P-Based Catalysts for Heck Coupling Reactions. Chemistry 2024; 30:e202302825. [PMID: 37870098 DOI: 10.1002/chem.202302825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 10/24/2023]
Abstract
Herein we report the use of a supported Pd3 P catalyst for Heck coupling reactions. For the stabilisation of Pd3 P and Pd, as reference system, the silica support material was modified via phosphorus doping (0.5 and 1 wt % P). Through this so-called support engineering approach, the catalytic activity of Pd3 P was clearly enhanced. Whereas an iodobenzene conversion of 79 % was witnessed for Pd3 P@SiO2 in the coupling of styrene and iodobenzene in 1 h, 90 % conversion could be achieved using Pd3 P@1P-SiO2 . This improved catalytic activity probably stems from an electronic modulation of the support surface via the introduction of phosphorus. Simultaneously, the recyclability was boosted and the Pd3 P@1P-SiO2 catalyst has shown to maintain its catalytic activity over several recovery tests. Hereby, metal leaching could almost be suppressed completely to 3 % by the use of a P-modified silica support.
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Affiliation(s)
- Arjun Neyyathala
- Karlsruhe Institute of Technology, Institute for Inorganic Chemistry, Engesserstr. 15, 76131, Karlsruhe, Germany
| | - Franziska Flecken
- Karlsruhe Institute of Technology, Institute for Inorganic Chemistry, Engesserstr. 15, 76131, Karlsruhe, Germany
| | - Fabian Rang
- Karlsruhe Institute of Technology, Institute for Inorganic Chemistry, Engesserstr. 15, 76131, Karlsruhe, Germany
| | - Christina Papke
- Karlsruhe Institute of Technology, Institute for Inorganic Chemistry, Engesserstr. 15, 76131, Karlsruhe, Germany
| | - Schirin Hanf
- Karlsruhe Institute of Technology, Institute for Inorganic Chemistry, Engesserstr. 15, 76131, Karlsruhe, Germany
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5
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Scaiano JC, Wang B, Bourgonje CR, Yaghmaei M. The nitro to amine reduction: from millions of tons to single molecule studies. PURE APPL CHEM 2023; 95:913-920. [PMID: 38013690 PMCID: PMC10505479 DOI: 10.1515/pac-2023-0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Palladium nanostructures are interesting heterogeneous catalysts because of their high catalytic activity in a vast range of highly relevant reactions such as cross couplings, dehalogenations, and nitro-to-amine reductions. In the latter case, the catalyst Pd@GW (palladium on glass wool) shows exceptional performance and durability in reducing nitrobenzene to aniline under ambient conditions in aqueous solutions. To enhance our understanding, we use a combination of optical and electron microscopy, in-flow single molecule fluorescence, and bench chemistry combined with a fluorogenic system to develop an intimate understanding of Pd@GW in nitro-to-amine reductions. We fully characterize our catalyst in situ using advanced microscopy techniques, providing deep insights into its catalytic performance. We also explore Pd cluster migration on the surface of the support under flow conditions, providing insights into the mechanism of catalysis. We show that even under flow, Pd migration from anchoring sites seems to be minimal over 4 h, with the catalyst stability assisted by APTES anchoring.
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Affiliation(s)
- Juan C. Scaiano
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ONK1N 6N5, Canada
| | - Bowen Wang
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ONK1N 6N5, Canada
| | - Connor R. Bourgonje
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ONK1N 6N5, Canada
| | - Mahzad Yaghmaei
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ONK1N 6N5, Canada
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6
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Galushko AS, Boiko DA, Pentsak EO, Eremin DB, Ananikov VP. Time-Resolved Formation and Operation Maps of Pd Catalysts Suggest a Key Role of Single Atom Centers in Cross-Coupling. J Am Chem Soc 2023; 145:9092-9103. [PMID: 37052882 DOI: 10.1021/jacs.3c00645] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
An approach to the spatially localized characterization of supported catalysts over a reaction course is proposed. It consists of a combination of scanning, transmission, and high-resolution scanning transmission electron microscopy to determine metal particles from arrays of surface nanoparticles to individual nanoparticles and individual atoms. The study of the evolution of specific metal catalyst particles at different scale levels over time, particularly before and after the cross-coupling catalytic reaction, made it possible to approach the concept of 4D catalysis-tracking the positions of catalytic centers in space (3D) over time (+1D). The dynamic behavior of individual palladium atoms and nanoparticles in cross-coupling reactions was recorded with nanometer accuracy via the precise localization of catalytic centers. Single atoms of palladium leach out into solution from the support under the action of the catalytic system, where they exhibit extremely high catalytic activity compared to surface metal nanoparticles. Monoatomic centers, which make up only approximately 1% of palladium in the Pd/C system, provide more than 99% of the catalytic activity. The remaining palladium nanoparticles changed their shape and could move over the surface of the support, which was recorded by processing images of the array of nanoparticles with a neural network and aligning them using automatically detected keypoints. The study reveals a novel opportunity for single-atom catalysis─easier detachment (capture) from (on) the carbon support surface is the origin of superior catalytic activity, rather than the operation of single atomic catalytic centers on the surface of the support, as is typically assumed.
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Affiliation(s)
- Alexey S Galushko
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Daniil A Boiko
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Evgeniy O Pentsak
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Dmitry B Eremin
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
- Bridge Institute and Department of Chemistry, University of Southern California, Los Angeles, California 90089-3502, United States
| | - Valentine P Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
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7
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Lotsman KA, Rodygin KS, Skvortsova I, Kutskaya AM, Minyaev ME, Ananikov VP. Atom-economical synthesis of 1,2-bis(phosphine oxide)ethanes from calcium carbide with straightforward access to deuterium- and 13C-labeled bidentate phosphorus ligands and metal complexes. Org Chem Front 2023. [DOI: 10.1039/d2qo01652d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Straightforward access to bidentate phosphorus ligands and bis(phosphineoxide)ethanes is described based on atom-economic addition reaction. A practical approach was developed to incorporate 2H and 13C labels using easily available reagents.
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Affiliation(s)
- Kristina A. Lotsman
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Konstantin S. Rodygin
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Irina Skvortsova
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Anastasia M. Kutskaya
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
| | - Mikhail E. Minyaev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russia
| | - Valentine P. Ananikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, Stary Petergof 198504, Russia
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russia
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8
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Denisova EA, Kostyukovich AY, Fakhrutdinov AN, Korabelnikova VA, Galushko AS, Ananikov VP. “Hidden” Nanoscale Catalysis in Alkyne Hydrogenation with Well-Defined Molecular Pd/NHC Complexes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ekaterina A. Denisova
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Alexander Yu. Kostyukovich
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Artem N. Fakhrutdinov
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Viktoria A. Korabelnikova
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Alexey S. Galushko
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Valentine P. Ananikov
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
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9
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Fast reversible oxidative addition of demanding aryl chlorides to Pd under real conditions of catalysis in the Mizoroki-Heck reaction: The kinetic proof. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Wussow K, Abram A, Köhler K, Chang CR, Genest A, Li J, Rösch N. Leaching of palladium atoms from small cluster models during Heck reactions – An experimental and theoretical study. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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11
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Comparative assessment of heterogeneous and homogeneous Suzuki-Miyaura catalytic reactions using bio-Profiles and bio-Factors. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Wang X, Sun L, Wang M, Maestri G, Malacria M, Liu X, Wang Y, Wu L. C‐I Selective Sonogashira and Heck Coupling Reactions Catalyzed by Aromatic Triangular Tri‐palladium. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaoshuang Wang
- Liaocheng University department of chemistry and chemical engineering CHINA
| | - Lei Sun
- Liaocheng University department of chemistry and chemical engineering CHINA
| | - Miaomiao Wang
- Liaocheng University department of chemistry and chemical engineering CHINA
| | - Giovanni Maestri
- University of Parma: Universita degli Studi di Parma deparment of chemistry, life sciences and environmental sustainability ITALY
| | - Max Malacria
- CNRS: Centre National de la Recherche Scientifique ICSN FRANCE
| | - Xiang Liu
- China Three Gorges University college of materials and chemical engineering CHINA
| | - Yanlan Wang
- Liaocheng University Department of chemistry and chemical engineering 1,Hunan Road, Liaocheng City, Shandong Province, China 252059 Liaocheng CHINA
| | - Lingang Wu
- Liaocheng University department of chemistry and chemical engineering CHINA
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13
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Ohtaka A, Kawase M, Matsuoka K, Shinagawa T, Hamasaka G, Uozumi Y, Shimomura O. Suzuki–Miyaura Cross-Coupling Reaction with Potassium Aryltrifluoroborate in Pure Water Using Recyclable Nanoparticle Catalyst. Synlett 2021. [DOI: 10.1055/a-1661-3152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractThis paper describes the Suzuki–Miyaura cross-coupling reaction of aryl bromides with potassium aryltrifluoroborates in water catalyzed by linear polystyrene-stabilized PdO nanoparticles (PS-PdONPs). The reaction of aryl bromides having electron-withdrawing groups or electron-donating groups took place smoothly to give the corresponding coupling product in high yields. The catalyst recycles five times without significant loss of catalytic activity although a little bit increase in size of PdNPs was observed after the reaction.
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Affiliation(s)
- Atsushi Ohtaka
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
| | - Misa Kawase
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
| | - Kyosuke Matsuoka
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
| | | | | | | | - Osamu Shimomura
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
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14
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Tri-tert-butyl(n-alkyl)phosphonium Ionic Liquids: Structure, Properties and Application as Hybrid Catalyst Nanomaterials. SUSTAINABILITY 2021. [DOI: 10.3390/su13179862] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A series of sterically hindered tri-tert-butyl(n-alkyl)phosphonium salts (n-CnH2n+1 with n = 1, 3, 5, 7, 9, 11, 13, 15, 17) was synthesized and systematically studied by 1H, 13C, 31P NMR spectroscopy, ESI-MS, single-crystal X-ray diffraction analysis and melting point measurement. Formation and stabilization palladium nanoparticles (PdNPs) were used to characterize the phosphonium ionic liquid (PIL) nanoscale interaction ability. The colloidal Pd in the PIL systems was described with TEM and DLS analyses and applied in the Suzuki cross-coupling reaction. The PILs were proven to be suitable stabilizers of PdNPs possessing high catalytic activity. The tri-tert-butyl(n-alkyl)phosphonium salts showed a complex nonlinear correlation of the structure–property relationship. The synthesized family of PILs has a broad variety of structural features, including hydrophobic and hydrophilic structures that are entirely expressed in the diversity of their properties
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15
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Pei X, Xiang D, Luo Z, Lei F, Guo Z, Liu D, Zhao Z, Ran M, Dai T. Catalytic performance of palladium nanoparticles encapsulated within nitrogen-doped carbon during Heck reaction. J Catal 2021. [DOI: 10.1016/j.jcat.2021.05.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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16
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Zhu W, Gunnoe TB. Advances in Group 10 Transition-Metal-Catalyzed Arene Alkylation and Alkenylation. J Am Chem Soc 2021; 143:6746-6766. [PMID: 33908253 DOI: 10.1021/jacs.1c01810] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
On a large scale, the dominant method to produce alkyl arenes has been arene alkylation from arenes and olefins using acid-based catalysis. The addition of arene C-H bonds across olefin C═C bonds catalyzed by transition-metal complexes through C-H activation and olefin insertion into metal-aryl bonds provides an alternative approach with potential advantages. This Perspective presents recent developments of olefin hydroarylation and oxidative olefin hydroarylation catalyzed by molecular complexes based on group 10 transition metals (Ni, Pd, Pt). Emphasis is placed on comparisons between Pt catalysts and other group 10 metal catalysts as well as Ru, Ir, and Rh catalysts.
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Affiliation(s)
- Weihao Zhu
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - T Brent Gunnoe
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
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17
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Vásquez-Céspedes S, Betori RC, Cismesia MA, Kirsch JK, Yang Q. Heterogeneous Catalysis for Cross-Coupling Reactions: An Underutilized Powerful and Sustainable Tool in the Fine Chemical Industry? Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.1c00041] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Suhelen Vásquez-Céspedes
- Product & Process Technology R&D, Corteva Agriscience, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Rick C. Betori
- Product & Process Technology R&D, Corteva Agriscience, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Megan A. Cismesia
- Product & Process Technology R&D, Corteva Agriscience, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Janelle K. Kirsch
- Product & Process Technology R&D, Corteva Agriscience, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Qiang Yang
- Product & Process Technology R&D, Corteva Agriscience, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
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18
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Yue C, Xing Q, Sun P, Zhao Z, Lv H, Li F. Enhancing stability by trapping palladium inside N-heterocyclic carbene-functionalized hypercrosslinked polymers for heterogeneous C-C bond formations. Nat Commun 2021; 12:1875. [PMID: 33767184 PMCID: PMC7994585 DOI: 10.1038/s41467-021-22084-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 02/18/2021] [Indexed: 11/20/2022] Open
Abstract
Catalyst deactivation caused by the aggregation of active metal species in the reaction process poses great challenges for practical applications of supported metal catalysts in solid-liquid catalysis. Herein, we develop a hypercrosslinked polymer integrated with N-heterocyclic carbene (NHC) as bifunctional support to stabilize palladium in heterogeneous C-C bond formations. This polymer supported palladium catalyst exhibits excellent stability in the one-pot fluorocarbonylation of indoles to four kinds of valuable indole-derived carbonyl compounds in cascade or sequential manner, as well as the representative Suzuki-Miyaura coupling reaction. Investigations on stabilizing effect disclose that this catalyst displays a molecular fence effect in which the coordination of NHC sites and confinement of polymer skeleton contribute together to stabilize the active palladium species in the reaction process. This work provides new insight into the development of supported metal catalysts with high stability and will also boost their efficient applications in advanced synthesis. Catalyst deactivation caused by the aggregation of active metal species poses great challenges for supported metal catalyzed solid-liquid reactions. Here, the authors develop a hypercrosslinked polymer integrated with N-heterocyclic carbene (NHC) as bifunctional support to stabilize palladium in heterogeneous C-C bond formations.
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Affiliation(s)
- Chengtao Yue
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Qi Xing
- BayRay Innovation Center, Shenzhen Bay Laboratory, Shenzhen, China
| | - Peng Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, China
| | - Zelun Zhao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, China
| | - Hui Lv
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, China
| | - Fuwei Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, China.
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19
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Luo Z, Xiang D, Pei X, Wang L, Zhao Z, Sun W, Ran M, Dai T. Enhanced Performance of Palladium Catalyst Confined Within Carbon Nanotubes for Heck Reaction. Catal Letters 2021. [DOI: 10.1007/s10562-021-03577-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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20
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Prima DO, Madiyeva M, Burykina JV, Minyaev ME, Boiko DA, Ananikov VP. Evidence for “cocktail”-type catalysis in Buchwald–Hartwig reaction. A mechanistic study. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01601f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The mechanism of the C–N cross-coupling reaction, catalyzed by Pd/NHC, was evaluated at the molecular and nanoscale levels. The first evidence for the involvement of a “cocktail”-type system in the Buchwald–Hartwig reaction is provided.
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Affiliation(s)
- Darya O. Prima
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
| | - Malena Madiyeva
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
| | - Julia V. Burykina
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
| | - Mikhail E. Minyaev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
| | - Daniil A. Boiko
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
| | - Valentine P. Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospekt 47, Moscow, 119991, Russia
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
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21
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Galushko AS, Prima DO, Burykina JV, Ananikov VP. Comparative study of aryl halides in Pd-mediated reactions: key factors beyond the oxidative addition step. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01133a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The comparative experimental study of Ar–X (X = Cl, Br, I) reactivity and analysis reported herein suggest that oxidative addition cannot be considered the sole reason of the observed low reactivity of aryl chlorides.
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Affiliation(s)
- Alexey S. Galushko
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russia
| | - Darya O. Prima
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russia
| | - Julia V. Burykina
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russia
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22
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Shepelenko KE, Soliev SB, Galushko AS, Chernyshev VM, Ananikov VP. Different effects of metal-NHC bond cleavage on the Pd/NHC and Ni/NHC catalyzed α-arylation of ketones with aryl halides. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01411g] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Fundamental differences in the behavior of Pd/NHC and Ni/NHC catalytic systems in ketones α-arylation were elucidated and exploited.
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Affiliation(s)
| | | | - Alexey S. Galushko
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russia
| | | | - Valentine P. Ananikov
- Platov South-Russian State Polytechnic University (NPI)
- Russia
- Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
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23
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Arkhipova DM, Ermolaev VV, Miluykov VA, Gubaidullin AT, Islamov DR, Kataeva ON, Ananikov VP. Sterically Hindered Phosphonium Salts: Structure, Properties and Palladium Nanoparticle Stabilization. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2457. [PMID: 33316907 PMCID: PMC7763823 DOI: 10.3390/nano10122457] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/01/2020] [Accepted: 12/04/2020] [Indexed: 01/06/2023]
Abstract
A new family of sterically hindered alkyl(tri-tert-butyl) phosphonium salts (n-CnH2n+1 with n = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20) was synthesized and evaluated as stabilizers for the formation of palladium nanoparticles (PdNPs), and the prepared PdNPs, stabilized by a series of phosphonium salts, were applied as catalysts of the Suzuki cross-coupling reaction. All investigated phosphonium salts were found to be excellent stabilizers of metal nanoparticles of small catalytically active size with a narrow size distribution. In addition, palladium nanoparticles exhibited exceptional stability: the presence of phosphonium salts prevented agglomeration and precipitation during the catalytic reaction.
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Affiliation(s)
- Daria M Arkhipova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991 Moscow, Russia
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Vadim V Ermolaev
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Vasily A Miluykov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Aidar T Gubaidullin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Daut R Islamov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Olga N Kataeva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbusov Street 8, 420088 Kazan, Russia
| | - Valentine P Ananikov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991 Moscow, Russia
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24
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Luo Z, Whitcomb CA, Kaylor N, Zhang Y, Zhang S, Davis RJ, Gunnoe TB. Oxidative Alkenylation of Arenes Using Supported Rh Materials: Evidence that Active Catalysts are Formed by Rh Leaching. ChemCatChem 2020. [DOI: 10.1002/cctc.202001526] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Zhongwen Luo
- Department of Chemistry University of Virginia Charlottesville VA 22904 USA
| | - Colby A. Whitcomb
- Department of Chemical Engineering University of Virginia Charlottesville VA 22904 USA
| | - Nicholas Kaylor
- Department of Chemical Engineering University of Virginia Charlottesville VA 22904 USA
- Southwest Research Institute San Antonio TX 78238 USA
| | - Yulu Zhang
- Department of Chemistry University of Virginia Charlottesville VA 22904 USA
| | - Sen Zhang
- Department of Chemistry University of Virginia Charlottesville VA 22904 USA
| | - Robert J. Davis
- Department of Chemical Engineering University of Virginia Charlottesville VA 22904 USA
| | - T. Brent Gunnoe
- Department of Chemistry University of Virginia Charlottesville VA 22904 USA
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