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Chaudhari KR, Wadawale AP, Pathak AK, Dey S. Linkage Isomers of Triangular Pd Metallacycles and Catalysis in Aqueous Suzuki Coupling Reaction. Inorg Chem 2024; 63:1427-1438. [PMID: 38166362 DOI: 10.1021/acs.inorgchem.3c03963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
The water-soluble trinuclear Pd metallacycles [Pd(tmeda)(4-Spy)]3(X)3 (tmeda = tetramethylethylenediamine, X = OTf, 2; NO3, 3) were synthesized from the ambidentate ligand 4-pyridylthiolate (Spy-) and [Pd(tmeda)X2] in 80 and 70% yield, respectively. Two possible linkage isomers are found in solution (slow interconversion found in the NMR) and in the solid state. Density functional calculations showed that the energy of the isomer with a D3-symmetric arrangement of the SPy ligand and all Pd atoms having N∧NPdSN coordination is only 7 kcal/mol lower. When reacting [Pd(tmeda)(NO3)2] with 4,4'-biphenyldithiolate (S2bph2-), the tetranuclear [{Pd(tmeda)}4(μ-S2bph)2](NO3)4 (1) was formed. A new type of undecanuclear Pd cluster was separated as a minor product from an acetone solution of 2 in air. The new complexes represent the first examples of water-soluble Pd metallacycles constructed from a pyridine-thiolate ligand. They show catalytic activity with turnover numbers ranging from 9 to 420 in aqueous Suzuki cross-coupling reactions using phenyl boronic acid and a number of aryl halides. An optimized system gave a TON of 6,900,000 and a TOF of 492,857 h-1. The catalyst could be reused eight times, and the activity has been attributed to the formation of PdNPs.
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Affiliation(s)
- Kamal R Chaudhari
- Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Amey P Wadawale
- Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Arup Kumar Pathak
- Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
- Homi Bhabha National Institute, Training School Complex, Mumbai 400094, India
| | - Sandip Dey
- Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
- Homi Bhabha National Institute, Training School Complex, Mumbai 400094, India
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Ikemoto S, Muratsugu S, Koitaya T, Tsuji Y, Das M, Yoshizawa K, Glorius F, Tada M. Coordination-Induced Trigger for Activity: N-Heterocyclic Carbene-Decorated Ceria Catalysts Incorporating Cr and Rh with Activity Induction by Surface Adsorption Site Control. J Am Chem Soc 2023; 145:1497-1504. [PMID: 36511728 DOI: 10.1021/jacs.2c07290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A coordination-induced trigger for catalytic activity is proposed on an N-heterocyclic carbene (NHC)-decorated ceria catalyst incorporating Cr and Rh (ICy-r-Cr0.19Rh0.06CeOz). ICy-r-Cr0.19Rh0.06CeOz was prepared by grafting 1,3-dicyclohexylimidazol-2-ylidene (ICy) onto H2-reduced Cr0.19Rh0.06CeOz (r-Cr0.19Rh0.06CeOz) surfaces, which went on to exhibit substantial catalytic activity for the 1,4-arylation of cyclohexenone with phenylboronic acid, whereas r-Cr0.19Rh0.06CeOz without ICy was inactive. FT-IR, Rh K-edge XAFS, XPS, and photoluminescence spectroscopy showed that the ICy carbene-coordinated Rh nanoclusters were the key active species. The coordination-induced trigger for catalytic activity on the ICy-bearing Rh nanoclusters could not be attributed to electronic donation from ICy to the Rh nanoclusters. DFT calculations suggested that ICy controlled the adsorption sites of the phenyl group on the Rh nanocluster to promote the C-C bond formation of the phenyl group and cyclohexenone.
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Affiliation(s)
- Satoru Ikemoto
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Satoshi Muratsugu
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Takanori Koitaya
- Department of Materials Molecular Science, Institute for Molecular Science, Myodaiji-cho, Okazaki, Aichi 444-8585, Japan
| | - Yuta Tsuji
- Institute for Materials Chemistry and Engineering and International Research Center for Molecular Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.,Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-koen, Kasuga, Fukuoka 816-8580, Japan
| | - Mowpriya Das
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 48149 Münster, Germany
| | - Kazunari Yoshizawa
- Institute for Materials Chemistry and Engineering and International Research Center for Molecular Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstrasse 40, 48149 Münster, Germany
| | - Mizuki Tada
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.,Research Center for Materials Science (RCMS), Integrated Research Consortium on Chemical Sciences (IRCCS), and Institute for Advanced Study, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
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Wen X, Wang J, He L, Wei B, Xie Y. Synthesis of glucopyranoside benzimidazolium-based ionic liquids for Pd-catalyzed aqueous Suzuki reaction. J Carbohydr Chem 2022. [DOI: 10.1080/07328303.2022.2141770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Xiaoming Wen
- Jiangxi College of Applied Technology, Ganzhou, P. R. China
| | - Jian Wang
- Jiangxi College of Applied Technology, Ganzhou, P. R. China
| | - Luan He
- Jiangxi College of Applied Technology, Ganzhou, P. R. China
| | - Bisheng Wei
- Jiangxi College of Applied Technology, Ganzhou, P. R. China
| | - Ying Xie
- Jiangxi College of Applied Technology, Ganzhou, P. R. China
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Zullo V, Iuliano A, Guazzelli L. Sugar-Based Ionic Liquids: Multifaceted Challenges and Intriguing Potential. Molecules 2021; 26:2052. [PMID: 33916695 PMCID: PMC8038380 DOI: 10.3390/molecules26072052] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 01/29/2023] Open
Abstract
Carbohydrates represent a promising option in transitioning from oil-based chemical resources to renewable ones, with the goal of developing chemistries for a sustainable future. Cellulose, hemicellulose, and largely available monosaccharides already provide useful chemical building blocks, so-called platform chemicals, such as levulinic acid and hydroxymethyl furfural, as well as solvents like cyrene or gamma-valerolactone. Therefore, there is great anticipation for novel applications involving materials and chemicals derived from sugars. In the field of ionic liquids (ILs), sugar-based ILs have been overlooked for a long time, mainly on account of their multistep demanding preparation. However, exploring new strategies for accessing sugar-based ILs, their study, and their exploitation, are attracting increasing interest. This is due to the growing concerns about the negative (eco)toxicity profile of most ILs in conjunction with their non-sustainable nature. In the present review, a literature survey concerning the development of sugar-based ILs since 2011 is presented. Their preparation strategies and thermal behavior analyses, sorted by sugar type, make up the first two sections with the intention to provide the reader with a useful guide. A final overview of the potential applications of sugar-based ILs and their future perspectives complement the present analysis.
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Affiliation(s)
- Valerio Zullo
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, via Moruzzi 13, 56124 Pisa, Italy; (V.Z.); (A.I.)
| | - Anna Iuliano
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, via Moruzzi 13, 56124 Pisa, Italy; (V.Z.); (A.I.)
| | - Lorenzo Guazzelli
- Dipartimento di Farmacia, Università di Pisa, via Bonanno 33, 56126 Pisa, Italy
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Zhou Z, Xie Q, Zhou X, Yuan Y, Pan Y, Lu D, Du Z, Xue J. Synthesis of glucoside-based imidazolium salts for Pd-catalyzed cross-coupling reaction in water. Carbohydr Res 2020; 496:108079. [PMID: 32745715 DOI: 10.1016/j.carres.2020.108079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 06/10/2020] [Accepted: 06/12/2020] [Indexed: 02/05/2023]
Abstract
Sugar-based imidazolium salts (IMSs) represent an outstanding type of material making them eye-catching for a wide variety of applications. Herein, a series of glucoside-based IMSs (Glu-IMSs) combining glucoside and imidazolium head groups with different substituents were synthesized. The catalytic activities of these Glu-IMSs were evaluated by Pd-catalyzed Heck-Mizoroki and Suzuki-Miyaura reactions in water. Among them, the Glu-IMSs contain both -OH and NHCs coordination sites was found to be the most efficient ancillary ligand in comparison with other Glu-IMSs with just single NHCs coordination site. The HR-TEM analysis showed that the palladium nanoparticles stabilized by the Glu-IMSs with an average size of ~4.0 nm was formed in the reaction system, which may be act as an efficient real catalytic species. Under the optimized reaction conditions, a series of novel fluorine-cored organic small molecule functional materials were synthesized with favorable yields.
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Affiliation(s)
- Zhonggao Zhou
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China.
| | - Qian Xie
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Xin Zhou
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Yangyang Yuan
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Yan Pan
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Dongliang Lu
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Ziyi Du
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China
| | - Jun Xue
- College of Chemistry and Chemical Engineering, Gannan Normal University, Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, 341000, PR China.
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Zhou Z, Li J, Wu Y, Yuan Y, Kong L, Xue J, Huang Z. Glucopyranoside-substituted imidazolium-based chiral ionic liquids for Pd-catalyzed homo-coupling of arylboronic acids in water. J Carbohydr Chem 2020. [DOI: 10.1080/07328303.2020.1788573] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhonggao Zhou
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, People’s Republic of China
| | - Jing Li
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
| | - Yue Wu
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, People’s Republic of China
| | - Yangyang Yuan
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, People’s Republic of China
| | - Lingfang Kong
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, People’s Republic of China
| | - Jun Xue
- College of Chemistry and Chemical Engineering, Gannan Normal University, Jiangxi, People’s Republic of China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, Ganzhou, People’s Republic of China
| | - Zhiqiang Huang
- School of Resource and Environment Engineering, Jiangxi University of Science and Technology, Ganzhou, People’s Republic China
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