1
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Kao CP, Lee JY, Tang MC, Lee HM. Design and synthesis of versatile ligand precursors based on phosphonium ylides for palladalactam formation and catalytic investigation. Dalton Trans 2024; 53:10475-10485. [PMID: 38836836 DOI: 10.1039/d4dt00862f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
A new series of ligand precursors designed for the synthesis of palladalactams has been developed. These precursors are easily accessible through a one-step reaction involving 2-chloro-N-phenylacetamide and a wide choice of various monophosphines, offering tunable electronic and steric properties within the ligand framework. The stability of both ligand precursors and resulting palladalactams in ambient air enhances their practical applicability. A newly synthesized palladalactam, featuring an electron-donating triethylphosphine moiety on the anionic phosphonium ylide ligand scaffold exhibited promising catalytic activities in the Mizoroki-Heck coupling reaction between aryl chlorides and alkenes. Theoretical calculations further affirmed that the ligand system in the complex is the most electron-donating, forming the strongest Pd-C bond compared to other complexes with alternative phosphine moieties.
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Affiliation(s)
- Cheng-Po Kao
- Department of Chemistry, National Changhua University of Education, Changhua, 500, Taiwan.
| | - Jhen-Yi Lee
- Department of Chemistry, National Changhua University of Education, Changhua, 500, Taiwan.
| | - Min-Cheng Tang
- Department of Chemistry, National Changhua University of Education, Changhua, 500, Taiwan.
| | - Hon Man Lee
- Department of Chemistry, National Changhua University of Education, Changhua, 500, Taiwan.
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2
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Lee MY, Liao CH, Hung HY, Lee JY, Lee HM. Nitron-derivative-based palladium carbene complexes: structural characterization, theoretical calculations, and catalytic applications in the Mizoroki-Heck coupling reaction. RSC Adv 2023; 13:27434-27445. [PMID: 37711375 PMCID: PMC10498360 DOI: 10.1039/d3ra05016e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023] Open
Abstract
New palladium(0) and palladium(ii) complexes with N-heterocyclic carbene (NHC) ligands derived from nitron and its derivatives were synthesized. The structures of most of these complexes were established by single-crystal X-ray diffraction studies. Among the new complexes, the palladium complex with a monodentate NHC ligand derived from nitron demonstrated the highest efficacy as a catalyst precursor in the Mizoroki-Heck coupling reaction of aryl chlorides with alkenes. Theoretical calculations provide valuable insights into the electronic parameters of both the ligands and the palladium complexes, highlighting the significance of a robust Pd-C bond and the π-accepting property of the NHC ligand in achieving enhanced catalytic activity. Notably, catalyst activation occurred much more rapidly with the preformed palladium(0) complex compared to its palladium(ii) counterpart.
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Affiliation(s)
- Ming-Yi Lee
- Department of Chemistry, National Changhua University of Education Changhua 500 Taiwan
| | - Chih-Hsiang Liao
- Department of Chemistry, National Changhua University of Education Changhua 500 Taiwan
| | - Hsiu-Yu Hung
- Department of Chemistry, National Changhua University of Education Changhua 500 Taiwan
| | - Jhen-Yi Lee
- Department of Chemistry, National Changhua University of Education Changhua 500 Taiwan
| | - Hon Man Lee
- Department of Chemistry, National Changhua University of Education Changhua 500 Taiwan
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3
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Benzimidazole-Based Carboxyl Functionalized Porphyrin with Enhanced Photocatalytic Activity Towards Metal Free Sonogashira Coupling. Catal Letters 2022. [DOI: 10.1007/s10562-022-04154-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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4
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Visible‐Light Aided C−H activation: Metal/Base‐Free Generation of C−C bonds using Porphyrin Photocatalyst. ChemistrySelect 2022. [DOI: 10.1002/slct.202201180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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5
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Anju PJ, Neetha M, Anilkumar G. Recent Advances on N‐Heterocyclic Carbene‐Palladium‐catalyzed Heck Reaction. ChemistrySelect 2022. [DOI: 10.1002/slct.202103564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Panthananickal Joseph Anju
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560,Fax: +91-481-2731036
| | - Mohan Neetha
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560,Fax: +91-481-2731036
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560,Fax: +91-481-2731036
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6
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A new PEPPSI type N-heterocyclic carbene palladium(II) complexes and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in water : Synthesis, Characterization and their antimicrobial and Cytotoxic activities. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130204] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Niknam E, Mahmoodi A, Panahi F, Heydari Dokoohaki M, Zolghadr AR, Khalafi-Nezhad A. Synthesis of some new distyrylbenzene derivatives using immobilized Pd on an NHC-functionalized MIL-101(Cr) catalyst: photophysical property evaluation, DFT and TD-DFT calculations. RSC Adv 2021; 11:12374-12380. [PMID: 35423731 PMCID: PMC8696979 DOI: 10.1039/d1ra00457c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/22/2021] [Indexed: 12/20/2022] Open
Abstract
In this study the catalytic application of a heterogeneous Pd-catalyst system based on metal organic framework [Pd-NHC-MIL-101(Cr)] was investigated in the synthesis of distyrylbenzene derivatives using the Heck reaction. The Pd-NHC-MIL-101(Cr) catalyst showed high efficiency in the synthesis of these π-conjugated materials and products were obtained in high yields with low Pd-contamination based on ICP analysis. The photophysical behaviors for some of the synthesized distyrylbenzene derivatives were evaluated. The DFT and TD-DFT methods were employed to determine the optimized molecular geometry, band gap energy, and the electronic absorption and emission wavelengths of the new synthesized donor-π-acceptor (D-π-A) molecules in the gas phase and in various solvents using the chemical model B3LYP/6-31+G(d,p) level of theory.
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Affiliation(s)
- Esmaeil Niknam
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
| | - Ali Mahmoodi
- Department of Polymer Engineering and Color Technology, Amirkabir University of Technology Tehran Iran
| | - Farhad Panahi
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
| | | | - Amin Reza Zolghadr
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
| | - Ali Khalafi-Nezhad
- Department of Chemistry, College of Sciences, Shiraz University Shiraz 71454 Iran
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8
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Oswal P, Arora A, Gairola S, Datta A, Kumar A. Organosulfur, organoselenium, and organotellurium ligands in the development of palladium, nickel, and copper-based catalytic systems for Heck coupling. NEW J CHEM 2021. [DOI: 10.1039/d1nj02971a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Organosulfur, organoselenium, and organotellurium ligands in designing Pd, Ni, and Cu-based homogeneous, heterogeneous, and nanocatalytic systems for Heck coupling.
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Affiliation(s)
- Preeti Oswal
- Department of Chemistry, School of Physical Sciences, Doon University, Dehradun 248012, India
| | - Aayushi Arora
- Department of Chemistry, School of Physical Sciences, Doon University, Dehradun 248012, India
| | - Sakshi Gairola
- Department of Chemistry, School of Physical Sciences, Doon University, Dehradun 248012, India
| | - Anupama Datta
- Institute of Nuclear Medicine and Allied Sciences (INMAS), DRDO, Delhi 110054, India
| | - Arun Kumar
- Department of Chemistry, School of Physical Sciences, Doon University, Dehradun 248012, India
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9
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Rosmarinus officinalis directed palladium nanoparticle synthesis: Investigation of potential anti-bacterial, anti-fungal and Mizoroki-Heck catalytic activities. ADV POWDER TECHNOL 2020. [DOI: 10.1016/j.apt.2020.01.024] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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10
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A new PEPPSI type N-heterocyclic carbene palladium(II) complex and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in water. J CHEM SCI 2020. [DOI: 10.1007/s12039-020-1754-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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11
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Borah D, Saha B, Sarma B, Das P. A cyclometalated Ir(III)-NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acids. Dalton Trans 2020; 49:16866-16876. [PMID: 33179681 DOI: 10.1039/d0dt02341h] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this work, we have synthesized two new [C, C] cyclometalated Ir(iii)-NHC complexes, [IrCp*(C∧C:NHC)Br](1a,b), [Cp* = pentamethylcyclopentadienyl; NHC = (2-flurobenzyl)-1-(4-methoxyphenyl)-1H-imidazoline-2-ylidene (a); (2-flurobenzyl)-1-(4-formylphenyl)-1H-imidazoline-2-ylidene (b)] via intramolecular C-H bond activation. The molecular structure of complex 1a was determined by X-ray single crystal analysis. The catalytic potentials of the complexes were explored for acceptorless dehydrogenation of alcohols to carboxylic acids with concomitant hydrogen gas evolution. Under similar experimental conditions, complex 1a was found to be slightly more efficient than complex 1b. Using 0.1 mol% of complex 1a, good-to-excellent yields of carboxylic acids/carboxylates have been obtained for a wide range of alcohols, both aliphatic and aromatic, including those involving heterocycles, in a short reaction time with a low loading of catalyst. Remarkably, our method can produce benzoic acid from benzyl alcohol on a gram scale with a catalyst-to-substrate ratio as low as 1 : 5000 and exhibit a TON of 4550. Furthermore, the catalyst could be recycled at least three times without losing its activity. A mechanism has been proposed based on controlled experiments and in situ NMR study.
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Affiliation(s)
- Dhrubajit Borah
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam 786004, India.
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12
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Bhansali K, Raut S, Barange S, Bhagat P. Sulphonic acid functionalized porphyrin anchored with a meso-substituted triazolium ionic liquid moiety: a heterogeneous photo-catalyst for metal/base free C–C cross-coupling and C–N/C–H activation using aryl chloride under visible light irradiation. NEW J CHEM 2020. [DOI: 10.1039/d0nj03637d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We report an easy process to synthesize sulphonic acid functionalized porphyrin with meso-substituted triazolium ionic liquid moiety for metal/base free C–C cross-coupling and C–N/C–H activation using aryl chloride under visible light irradiation.
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Affiliation(s)
- Karan Bhansali
- Department of Chemisty
- School of Advanced Science
- Vellore Institute of Technology
- Vellore-632014
- India
| | - Subodh Raut
- Department of Chemisty
- School of Advanced Science
- Vellore Institute of Technology
- Vellore-632014
- India
| | - Shital Barange
- Department of Chemisty
- School of Advanced Science
- Vellore Institute of Technology
- Vellore-632014
- India
| | - Pundlik Bhagat
- Department of Chemisty
- School of Advanced Science
- Vellore Institute of Technology
- Vellore-632014
- India
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13
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Islam MS, Nahra F, Tzouras NV, Barakat A, Cazin CSJ, Nolan SP, Al-Majid AM. Mizoroki-Heck Cross-Coupling of Acrylate Derivatives with Aryl Halides Catalyzed by Palladate Pre-Catalysts. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201901075] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Mohammad Shahidul Islam
- Department of Chemistry; College of Science; King Saud University; P.O. Box 2455 11451 Riyadh Saudi Arabia
| | - Fady Nahra
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University; Krijgslaan 281, S-3 9000 Ghent Belgium
- Separation and Conversion Technology Unit; VITO (Flemish Institute for Technological Research); Boeretang 200 2400 Mol Belgium
| | - Nikolaos V. Tzouras
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University; Krijgslaan 281, S-3 9000 Ghent Belgium
| | - Assem Barakat
- Department of Chemistry; College of Science; King Saud University; P.O. Box 2455 11451 Riyadh Saudi Arabia
| | - Catherine S. J Cazin
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University; Krijgslaan 281, S-3 9000 Ghent Belgium
| | - Steven P. Nolan
- Department of Chemistry; College of Science; King Saud University; P.O. Box 2455 11451 Riyadh Saudi Arabia
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University; Krijgslaan 281, S-3 9000 Ghent Belgium
| | - Abdullah Mohammed Al-Majid
- Department of Chemistry; College of Science; King Saud University; P.O. Box 2455 11451 Riyadh Saudi Arabia
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14
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Balinge KR, Bhagat PR. A polymer-supported salen-palladium complex as a heterogeneous catalyst for the Mizoroki-Heck cross-coupling reaction. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119017] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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15
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Akkoç S. Antiproliferative activities of 2-hydroxyethyl substituted benzimidazolium salts and their palladium complexes against human cancerous cell lines. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1650187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Senem Akkoç
- Faculty of Pharmacy, Department of Basic Pharmaceutical Sciences, Suleyman Demirel University, Isparta 32260, Turkey
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16
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Mishra V, Thomas JM, Chinnappan S, Thirupathi N. Homoleptic cis- and trans-palladium(II) bis(guanidinato) complexes derived from N-aryl-N′,N″-di(pyridin-2-yl)- and N-aryl-N′,N″-bis(6-methylpyridin-2-yl)guanidines: Catalysts for Heck-Mizoroki coupling reactions. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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17
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Sabounchei SJ, Badpa K, Hashemi A, Moniriyan F, Gable RW. Spectral and crystallography studies of new palladacycle complexes with P,C‐ and C,C‐donor ligands; Application of (OAL16) to optimizing the yield of Mizoroki‐Heck reaction. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4882] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Khadijeh Badpa
- Faculty of ChemistryBu‐Ali Sina University Hamedan 65174 Iran
| | - Ali Hashemi
- Faculty of ChemistryBu‐Ali Sina University Hamedan 65174 Iran
| | | | - Robert W. Gable
- School of ChemistryUniversity of Melbourne Victoria 3010 Australia
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18
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Hfidhi N, bkhairia I, Atoui D, Boonmak J, Nasri M, Ben Salem R, Youngme S, Naïli H. Catalytic and biological valorization of a supramolecular mononuclear copper complex based 4-aminopyridine. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4793] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Nabil Hfidhi
- Laboratoire Physico-chimie de l'Etat Solide, Département de Chimie, Faculté des Sciences de Sfax; Université de Sfax; B.P. 1171 3000 Sfax Tunisia
| | - Intidhar bkhairia
- Laboratory of Enzyme Engineering and Microbiology; University of Sfax, National School of Engineering of Sfax (ENIS); Tunisia
| | - Dhieb Atoui
- Organic Chemistry Laboratory (LR17/ES08); University of Sfax, Faculty of Sciences of Sfax; Tunisia
| | - Jaursup Boonmak
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science; Khon Kaen University; Khon Kaen 40002 Thailand
| | - Moncef Nasri
- Laboratory of Enzyme Engineering and Microbiology; University of Sfax, National School of Engineering of Sfax (ENIS); Tunisia
| | - Ridha Ben Salem
- Organic Chemistry Laboratory (LR17/ES08); University of Sfax, Faculty of Sciences of Sfax; Tunisia
| | - Sujittra Youngme
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science; Khon Kaen University; Khon Kaen 40002 Thailand
| | - Houcine Naïli
- Laboratoire Physico-chimie de l'Etat Solide, Département de Chimie, Faculté des Sciences de Sfax; Université de Sfax; B.P. 1171 3000 Sfax Tunisia
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19
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Ashiri S, Mehdipour E. Synthesis and structural characterization for novel mixed-donor ligand palladium (II) based on graphene and oxime: its application as a highly stable and efficient recyclable catalyst. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1427-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Liu QX, Hu ZL, Yu SC, Zhao ZX, Wei DC, Li HL. NHC Pd(II) and Ag(I) Complexes: Synthesis, Structure, and Catalytic Activity in Three Types of C-C Coupling Reactions. ACS OMEGA 2018; 3:4035-4047. [PMID: 31458640 PMCID: PMC6641614 DOI: 10.1021/acsomega.8b00205] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 03/21/2018] [Indexed: 06/10/2023]
Abstract
Four bis-benzimidazolium salts, 1,4-bis[1'-(N-R-benzimidazoliumyl)methyl]-2,3,5,6-tetramethylbenzene 2X- (L 1 H 2 ·(PF 6 ) 2 : R = ethyl, X = PF6; L 2 H 2 ·Br 2 : R = picolyl, X = Br; L 3 H 2 ·Br 2 : R = benzyl, X = Br; and L 4 H 2 ·Br 2 : R = allyl, X = Br), and their three N-heterocyclic carbene (NHC) Pd(II) and Ag(I) complexes, L 1 Pd 2 Cl 4 (1), L 2 Ag 2 Br 2 (2), and L 4 (AgBr) 2 (3), as well as one anionic complex L 3 H 2 ·(Ag 4 Br 8 ) 0.5 (4), have been synthesized and characterized. Complex 1 adopts a funnel-like type of structure, complex 2 adopts a cyclic structure, and complex 3 is an open structure. In the crystal packing of 1-4, one-dimensional polymeric chains and two-dimensional supramolecular layers are formed via intermolecular weak interactions, including hydrogen bonds, π-π interactions, and C-H···π contacts. The catalytic activities of NHC Pd(II) complex 1 in three types of C-C coupling reactions (Suzuki-Miyaura, Heck-Mizoroki, and Sonogashira reactions) were studied. The results show that this catalytic system is efficient for these C-C coupling reactions.
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Affiliation(s)
- Qing-Xiang Liu
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
| | - Ze-Liang Hu
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
| | - Shao-Cong Yu
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
| | - Zhi-Xiang Zhao
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
| | - Deng-Che Wei
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
| | - Hui-Long Li
- Key
Laboratory of Inorganic−Organic Hybrid Functional Materials
Chemistry (Tianjin Normal University), Ministry of Education, College
of Chemistry and Tianjin Key Laboratory of Structure and Performance for Functional
Molecules, College of Chemistry, Tianjin
Normal University, Tianjin 300387, China
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21
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Schroeter F, Strassner T. Understanding Anionic “Ligandless” Palladium Species in the Mizoroki–Heck Reaction. Inorg Chem 2018; 57:5159-5173. [DOI: 10.1021/acs.inorgchem.8b00175] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Felix Schroeter
- Physikalische Organische Chemie, TU Dresden, Bergstrasse 66, 01062 Dresden, Germany
| | - Thomas Strassner
- Physikalische Organische Chemie, TU Dresden, Bergstrasse 66, 01062 Dresden, Germany
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22
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Singh C, Prakasham AP, Gangwar MK, Butcher RJ, Ghosh P. One-Pot Tandem Hiyama Alkynylation/Cyclizations by Palladium(II) Acyclic Diaminocarbene (ADC) Complexes Yielding Biologically Relevant Benzofuran Scaffolds. ACS OMEGA 2018; 3:1740-1756. [PMID: 31458491 PMCID: PMC6641338 DOI: 10.1021/acsomega.7b01974] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 01/23/2018] [Indexed: 06/10/2023]
Abstract
A series of palladium acyclic diaminocarbene (ADC) complexes of the type cis-[(R1NH)(R2)methylidene]PdCl2(CNR1) [R1 = 2,4,6-(CH3)3C6H2: R2 = NC5H10 (2); NC4H8 (3); NC4H8O (4)] were used not only to perform the Csp2 -Csp Hiyama coupling between aryl iodide and triethoxysilylalkynes but also to subsequently carry out the one-pot tandem Hiyama alkynylation/cyclization reaction between 2-iodophenol and triethoxysilylalkynes, giving a convenient time-efficient access to the biologically relevant benzofuran compounds. The palladium ADC complexes (2-4) were conveniently synthesized by the nucleophilic addition of secondary amines, namely, piperidine, pyrrolidine, and morpholine on the cis-{(2,4,6-(CH3)3C6H2)NC}2PdCl2 in moderate yields (ca. 61-66%).
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Affiliation(s)
- Chandan Singh
- Department
of Chemistry, Indian Institute of Technology
Bombay, Powai, Mumbai 400 076, India
| | - A. P. Prakasham
- Department
of Chemistry, Indian Institute of Technology
Bombay, Powai, Mumbai 400 076, India
| | - Manoj Kumar Gangwar
- Department
of Chemistry, Indian Institute of Technology
Bombay, Powai, Mumbai 400 076, India
| | - Raymond J. Butcher
- Department
of Chemistry, Howard University, Washington DC 20059, United States
| | - Prasenjit Ghosh
- Department
of Chemistry, Indian Institute of Technology
Bombay, Powai, Mumbai 400 076, India
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23
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Balinge KR, Khiratkar AG, Bhagat PR. A highly recoverable polymer-supported ionic salen-palladium complex as a catalyst for the Suzuki-Miyaura cross coupling in neat water. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2017.11.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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