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Sorroche A, Reboiro F, Monge M, López-de-Luzuriaga JM. Recent Trends in Group 11 Hydrogen Bonding. Chempluschem 2024:e202400273. [PMID: 38764413 DOI: 10.1002/cplu.202400273] [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: 04/16/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 05/21/2024]
Abstract
Conventional hydrogen bonding (H-bonding) has been extensively studied in organic and biological systems. However, its role in transition metal chemistry, particularly with Group 11 metals (i. e. Cu, Ag, Au) as hydrogen bond acceptors, remains relatively unexplored. Through a combination of experimental techniques, such as Nuclear Magnetic Resonance (NMR), Infrared spectroscopy (IR), X-Ray Diffraction (XRD), and computational calculations, several aspects of H-bonding interactions with Group 11 metals are examined, shedding light on its impact on structural motifs and reactivity. These include bond strengths, geometries, and effects on electronic structures. Understanding the intricacies of hydrogen bonding within transition metal chemistry holds promise for various applications, including catalytic transformations, the construction of molecular assemblies, synthesis of complexes displaying anticancer activities, or luminescence applications (e. g. Thermally Activated Delayed Fluorescence, TADF). This review encompasses the most significant recent advances, challenges, and future prospects in this emerging field.
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Affiliation(s)
- Alba Sorroche
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Complejo Científico-Tecnológico, 26006, Logroño, Spain
| | - Félix Reboiro
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Complejo Científico-Tecnológico, 26006, Logroño, Spain
| | - Miguel Monge
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Complejo Científico-Tecnológico, 26006, Logroño, Spain
| | - José María López-de-Luzuriaga
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Complejo Científico-Tecnológico, 26006, Logroño, Spain
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2
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Nicholls TP, Jia Z, Chalker JM. Electrochemical Synthesis of Gold-N-Heterocyclic Carbene Complexes. Chemistry 2024; 30:e202303161. [PMID: 37876029 DOI: 10.1002/chem.202303161] [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: 10/15/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 10/26/2023]
Abstract
An electrochemical synthesis of gold(I)-N-heterocyclic carbene (Au-NHC) complexes has been developed. The electrochemical methodology uses only imidazolium salts, gold metal electrodes, and electricity to produce these complexes with hydrogen gas as the only by-product. This high-yielding and operationally simple procedure has been used to produce eight mononuclear and three dinuclear Au-NHC complexes. The electrochemical procedure facilitates a clean reaction with no by-products. As such, Au-NHC complexes can be directly transferred to catalytic reactions without work-up or purification. The Au-NHC complexes were produced on-demand and tested as catalysts in a vinylcyclopropanation reaction. All mononuclear Au-NHC complexes performed similarly to or better than the isolated complexes.
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Affiliation(s)
- Thomas P Nicholls
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Zhongfan Jia
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Justin M Chalker
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, South Australia, 5042, Australia
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3
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Neshat A, Mahdavi A, Yousefshahi MR, Cheraghi M, Eigner V, Kucerakova M, Dusek M, Rezaie F, Kaboudin B. Heteroleptic Silver(I) and Gold(I) N-Heterocyclic Carbene Complexes: Structural Characterization, Computational Analysis, Tyrosinase Inhibitory, and Biological Effects. Inorg Chem 2023; 62:16710-16724. [PMID: 37788161 DOI: 10.1021/acs.inorgchem.3c01759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Derivatization of (NHC)M-Cl (M = Ag, Au) with selected sulfur donors from the family of dialkyldithiophosphates and bis(2-mercapto-1-methylimidazolyl)borate ligands gave a series of heteroleptic mononuclear complexes. In single-crystal X-ray diffraction analysis, Ag(I) complexes adopted a trigonal planar geometry, while Au(I) complexes are near-linear. TD-DFT and hole-electron analyses of the selected complexes gave insight into the electronic features of the metal complexes. In vitro cellular tests were conducted on the human cancerous breast cell line MCF-7 using 2 and 8. The antibacterial activities of complexes 1, 2, 3, 7, 8, and IPr-Ag-Cl were also screened against Gram-positive (Staphylococcus aureus PTCC 1112) and Gram-negative (Escherichia coli PTCC 1330) bacteria. Antityrosinase and hemolytic effects of the selected compounds were also determined.
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Affiliation(s)
- Abdollah Neshat
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Atiyeh Mahdavi
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Mohammad Reza Yousefshahi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Mahdi Cheraghi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Vaclav Eigner
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Monika Kucerakova
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Michal Dusek
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Forough Rezaie
- Department of Chemistry, Shahid Chamran University of Ahvaz, Ahwaz 6135783151, Iran
| | - Babak Kaboudin
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
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Berg I, Amit E, Hale L, Toste FD, Gross E. N-Heterocyclic Carbene Based Nanolayer for Copper Film Oxidation Mitigation. Angew Chem Int Ed Engl 2022; 61:e202201093. [PMID: 35315187 PMCID: PMC9321544 DOI: 10.1002/anie.202201093] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Indexed: 11/19/2022]
Abstract
The wide use of copper is limited by its rapid oxidation. Main oxidation mitigation approaches involve alloying or surface passivation technologies. However, surface alloying often modifies the physical properties of copper, while surface passivation is characterized by limited thermal and chemical stability. Herein, we demonstrate an electrochemical approach for surface‐anchoring of an N‐heterocyclic carbene (NHC) nanolayer on a copper electrode by electro‐deposition of alkyne‐functionalized imidazolium cations. Water reduction reaction generated a high concentration of hydroxide ions that induced deprotonation of imidazolium cations and self‐assembly of NHCs on the copper electrode. In addition, alkyne group deprotonation enabled on‐surface polymerization by coupling surface‐anchored and solvated NHCs, which resulted in a 2 nm thick NHC‐nanolayer. Copper film coated with a NHC‐nanolayer demonstrated high oxidation resistance at elevated temperatures and under alkaline conditions.
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Affiliation(s)
- Iris Berg
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University, Jerusalem, 91904, Israel
| | - Einav Amit
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University, Jerusalem, 91904, Israel
| | - Lillian Hale
- Department of Chemistry, University of California, Berkeley, CA 94720, USA
| | - F Dean Toste
- Department of Chemistry, University of California, Berkeley, CA 94720, USA
| | - Elad Gross
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University, Jerusalem, 91904, Israel
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Sulfonamide-Derived Dithiocarbamate Gold(I) Complexes Induce the Apoptosis of Colon Cancer Cells by the Activation of Caspase 3 and Redox Imbalance. Biomedicines 2022; 10:biomedicines10061437. [PMID: 35740458 PMCID: PMC9221018 DOI: 10.3390/biomedicines10061437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/09/2022] [Accepted: 06/14/2022] [Indexed: 11/26/2022] Open
Abstract
Two new families of dithiocarbamate gold(I) complexes derived from benzenesulfonamide with phosphine or carbene as ancillary ligands have been synthesized and characterized. In the screening of their in vitro activity on human colon carcinoma cells (Caco-2), we found that the more lipophilic complexes—those with the phosphine PPh3—exhibited the highest anticancer activity whilst also displaying significant cancer cell selectivity. [Au(S2CNHSO2C6H5)(PPh3)] (1) and [Au(S2CNHSO2-p-Me-C6H4)(IMePropargyl)] (8) produce cell death, probably by intrinsic apoptosis (mitochondrial membrane potential modification) and caspase 3 activation, causing cell cycle arrest in the G1 phase with p53 activation. Besides this, both complexes might act as multi-target anticancer drugs, as they inhibit the activity of the enzymes thioredoxin reductase (TrxR) and carbonic anhydrase (CA IX) with the alteration of the redox balance, and show a pro-oxidant effect.
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Berg I, Amit E, Hale L, Toste FD, Gross E. N
‐Heterocyclic Carbene Nanolayer for Copper Film Oxidation Mitigation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201093] [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)
- Iris Berg
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology The Hebrew University Jerusalem 91904 Israel
| | - Einav Amit
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology The Hebrew University Jerusalem 91904 Israel
| | - Lillian Hale
- Department of Chemistry University of California Berkeley CA 94720 USA
| | - F. Dean Toste
- Department of Chemistry University of California Berkeley CA 94720 USA
| | - Elad Gross
- Institute of Chemistry and the Center for Nanoscience and Nanotechnology The Hebrew University Jerusalem 91904 Israel
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Abstract
In this contribution, we provide an overview of the main avenues that have emerged in gold coordination chemistry during the last years. The unique properties of gold have motivated research in gold chemistry, and especially regarding the properties and applications of gold compounds in catalysis, medicine, and materials chemistry. The advances in the synthesis and knowledge of gold coordination compounds have been possible with the design of novel ligands becoming relevant motifs that have allowed the preparation of elusive complexes in this area of research. Strong donor ligands with easily modulable electronic and steric properties, such as stable singlet carbenes or cyclometalated ligands, have been decisive in the stabilization of gold(0) species, gold fluoride complexes, gold hydrides, unprecedented π complexes, or cluster derivatives. These new ligands have been important not only from the fundamental structure and bonding studies but also for the synthesis of sophisticated catalysts to improve activity and selectivity of organic transformations. Moreover, they have enabled the facile oxidative addition from gold(I) to gold(III) and the design of a plethora of complexes with specific properties.
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Affiliation(s)
- Raquel P Herrera
- Laboratorio de Organocatálisis Asimétrica Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - M Concepción Gimeno
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
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8
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Sheikh KUN, Amin H, Haque RA, Abdul Majid AS, Yaseen M, Iqbal MA. An overview of synthetic methodologies of organometallic and coordination compounds of gold. J COORD CHEM 2021. [DOI: 10.1080/00958972.2020.1866176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Hira Amin
- Department of Chemistry, University of Agriculture, Faislababd, Pakistan
| | - Rosenani A Haque
- School of Chemical Science, Universiti Sains Malaysia, Penang, Malaysia
| | | | - Muhammad Yaseen
- Department of Chemistry, Division of Science & Technology, University of Education, Lahore, Pakistan
| | - Muhammad Adnan Iqbal
- Department of Chemistry, University of Agriculture, Faislababd, Pakistan
- Organometallic & Coordination Chemistry Laboratory, University of Agriculture, Faislababd, Pakistan
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Manar KK, Chakrabortty S, Porwal VK, Prakash D, Thakur SK, Choudhury AR, Singh S. Two‐Coordinate Cu(I) and Au(I) Complexes Supported by BICAAC and CAAC Ligands. ChemistrySelect 2020. [DOI: 10.1002/slct.202002295] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Krishna K. Manar
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Soumyadeep Chakrabortty
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Vishal Kumar Porwal
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Darsana Prakash
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Sandeep Kumar Thakur
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Angshuman Roy Choudhury
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
| | - Sanjay Singh
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81 SAS Nagar, Mohali 140306 Punjab India
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Ramsay WJ, Bell NAW, Qing Y, Bayley H. Single-Molecule Observation of the Intermediates in a Catalytic Cycle. J Am Chem Soc 2018; 140:17538-17546. [DOI: 10.1021/jacs.8b09282] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- William J. Ramsay
- University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, United Kingdom
| | - Nicholas A. W. Bell
- University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, United Kingdom
| | - Yujia Qing
- University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, United Kingdom
| | - Hagan Bayley
- University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, United Kingdom
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