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Skiba J, Kowalczyk A, Gorski A, Dutkiewicz N, Gapińska M, Stróżek J, Woźniak K, Trzybiński D, Kowalski K. Replacement of the phosphodiester backbone between canonical nucleosides with a dirhenium carbonyl "click" linker-a new class of luminescent organometallic dinucleoside phosphate mimics. Dalton Trans 2023; 52:1551-1567. [PMID: 36655722 DOI: 10.1039/d2dt03995h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The first-in-class luminescent dinucleoside phosphate analogs with a [Re2(μ-Cl)2(CO)6(μ-pyridazine)] "click" linker as a replacement for the natural phosphate group are reported together with the synthesis of luminescent adenosine and thymidine derivatives having the [Re2(μ-Cl)2(CO)6(μ-pyridazine)] entity attached to positions 5' and 3', respectively. These compounds were synthesized by applying inverse-electron-demand Diels-Alder and copper(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition reactions in three or four steps. The obtained compounds exhibited orange emission (λPL ≈ 600 nm, ΦPL ≈ 0.10, and τ = 0.33-0.61 μs) and no toxicity (except for one nucleoside) to human HeLa cervical epithelioid and Ishikawa endometrial adenocarcinoma cancer cells in vitro. Furthermore, the compounds' ability to inhibit the growth of Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli bacterial strains was moderate and only observed at a high concentration of 100 μM. Confocal microscopy imaging revealed that the "dirhenium carbonyl" dinucleosides and nucleosides localized mainly in the membranous structures of HeLa cells and uniformly inside S. aureus and E. coli bacterial cells. An interesting finding was that some of the tested compounds were also found in the nuclei of HeLa cells.
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Affiliation(s)
- Joanna Skiba
- Faculty of Chemistry, Department of Organic Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
| | - Aleksandra Kowalczyk
- Department of Molecular Microbiology, Institute of Microbiology, Biotechnology and Immunology, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland
| | - Aleksander Gorski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
| | - Natalia Dutkiewicz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
| | - Magdalena Gapińska
- Faculty of Biology and Environmental Protection, Laboratory of Microscopic Imaging and Specialized Biological Techniques, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland
| | - Józef Stróżek
- Faculty of Chemistry, Department of Organic Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
| | - Krzysztof Woźniak
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warszawa, Poland
| | - Damian Trzybiński
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warszawa, Poland
| | - Konrad Kowalski
- Faculty of Chemistry, Department of Organic Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
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2
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Craig SM, Malyk KR, Silk ES, Nakamura DT, Brennessel WW, Kennedy CR. Synthesis and characterization of Ni(0) complexes supported by an unsymmetric C,N ligand. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2117037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Sarah M. Craig
- Department of Chemistry, University of Rochester, Rochester, NY, USA
| | - Kaycie R. Malyk
- Department of Chemistry, University of Rochester, Rochester, NY, USA
| | - Elliot S. Silk
- Department of Chemistry, University of Rochester, Rochester, NY, USA
| | | | | | - C. Rose Kennedy
- Department of Chemistry, University of Rochester, Rochester, NY, USA
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3
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Maisuls I, Kirse TM, Hepp A, Kösters J, Wolcan E, Strassert CA. Rhenium(I) Complexes with Neutral Monodentate Coligands and Monoanionic 2-(1,2,4-Triazol-5-yl)pyridine-Based Chelators as Bidentate Luminophores with Tunable Color and Photosensitized Generation of 1O 2: An Integrated Case Study Involving Photophysics and Theory. Inorg Chem 2022; 61:13775-13791. [PMID: 35998339 DOI: 10.1021/acs.inorgchem.2c01572] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this work, we describe the synthesis as well as structural, photophysical, and theoretical investigation of a new coordination chemical concept involving rhenium(I) complexes bearing monoanionic 1,2,4-triazolylpyridine-based bidentate chromophores. The X-ray diffractometric analysis of single crystals revealed particular packing features: the trifluoromethylated exemplar displayed two kinds of arrangements of the coordination centers, where the bidentate ligands at the edges of the unit cell are staggered parallel to each other, whereas those inside show antiparallel stacking with respect to the external ligands. On the other hand, the complexes bearing an adamantyl substituent yield a linear arrangement, where the bulky moiety of one luminophore points to the pyridine center of the adjacent ligand of the neighboring complex while including methanol molecules hydrogen-bonded to the triazolato unit. We observed that the photophysical properties of the complexes (photoexcited-state lifetimes, photoluminescence maxima and quantum yields) can be adjusted by tuning of the substitution pattern at the bidentate luminophore as well as by variation of the monodentate coligand. The photoluminescence spectra and photoexcited-state lifetimes of the crystalline phases were measured by phosphorescence lifetime micro(spectro)scopy. Interestingly, the vibrationally resolved emission spectra of the crystals closely resemble those of diluted frozen glassy matrixes at 77 K, in contrast with the broad bands observed in amorphous solids and in fluid solutions, where the charge-transfer character is enhanced. While the photoluminescence quantum yields (ΦL) reach up to 15%, the complexes are able to attain up to 55% efficiency regarding the photosensitization of 1O2 (ΦΔ), depending on the combination of luminophore and coligand. Theoretical calculations showed that the photoexcited triplet (T1) state has a metal-ligand-to-ligand charge-transfer character, where promotion to the excited electronic configuration shortens the Re(I)-N bond involving the bidentate triazolylpyridine while stretching the three fac-CO-Re(I) bonds as well as the linkage to the axial monodentate coligand. The calculated vertical (Evl) and 0-0 (E(0-0)) radiative transition energies are in very good agreement with the experimental values (Eexplum).
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Affiliation(s)
- Iván Maisuls
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
| | - Thomas M Kirse
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany
| | - Ezequiel Wolcan
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, UNLP, CCT La Plata-CONICET), Diagonal 113 and 64, Sucursal 4, Casilla de Correo 16, La Plata B1906, Argentina
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
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4
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Poland EM, Ho CC. Photoactive N‐Heterocyclic Carbene Transition Metal Complexes in Bond‐Forming Photocatalysis: State‐of‐the‐Art and Opportunities. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6746] [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]
Affiliation(s)
- Eve M. Poland
- School of Natural Sciences – Chemistry University of Tasmania Hobart Tasmania Australia
| | - Curtis C. Ho
- School of Natural Sciences – Chemistry University of Tasmania Hobart Tasmania Australia
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5
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Tang M, Cameron L, Poland EM, Yu LJ, Moggach SA, Fuller RO, Huang H, Sun J, Thickett SC, Massi M, Coote ML, Ho CC, Bissember AC. Photoactive Metal Carbonyl Complexes Bearing N-Heterocyclic Carbene Ligands: Synthesis, Characterization, and Viability as Photoredox Catalysts. Inorg Chem 2022; 61:1888-1898. [PMID: 35025492 DOI: 10.1021/acs.inorgchem.1c02964] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This report details the synthesis and characterization of a small family of previously unreported, structurally related chromium, molybdenum, tungsten, manganese, and iron complexes bearing N-heterocyclic carbene and carbonyl supporting ligands. These complexes have the general form [ML(CO)3X] or [ML(CO)3], where X = CO or Br and L = 1-phenyl-3-(2-pyridyl)imidazolin-2-ylidene. Where possible, the solid-state, spectroscopic, electrochemical, and photophysical properties of these molecules were studied using a combination of experiment and theory. Photophysical studies reveal that decarbonylation occurs when these complexes are exposed to ultraviolet light, with the CO ligand being replaced with a labile acetonitrile solvent molecule. To obtain insights into the potential utility, scope, and applications of these complexes in visible-light-mediated photoredox catalysis, their capacity to facilitate a range of photoinduced reactions via the reductive or oxidative functionalization of organic molecules was investigated. These chromium, molybdenum, and manganese catalysts efficiently facilitated atom-transfer radical addition processes. In light of their photolability, these types of catalysts may potentially allow for the development of photoinduced reactions involving less conventional inner-sphere electron-transfer pathways.
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Affiliation(s)
- Meiqiong Tang
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
| | - Lee Cameron
- School of Molecular and Life Sciences, Curtin University, Perth, Western Australia6102, Australia
| | - Eve M Poland
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
| | - Li-Juan Yu
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory2601, Australia
| | - Stephen A Moggach
- School of Molecular Sciences, University of Western Australia, Perth, Western Australia6009, Australia
| | - Rebecca O Fuller
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
| | - Hai Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou213164, China
| | - Jianwei Sun
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, SAR, China
| | - Stuart C Thickett
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
| | - Massimiliano Massi
- School of Molecular and Life Sciences, Curtin University, Perth, Western Australia6102, Australia
| | - Michelle L Coote
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory2601, Australia
| | - Curtis C Ho
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
| | - Alex C Bissember
- School of Natural Sciences-Chemistry, University of Tasmania (UTAS), Hobart, Tasmania7001, Australia
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6
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Nasiri Sovari S, Kolly I, Schindler K, Cortat Y, Liu SC, Crochet A, Pavic A, Zobi F. Efficient Direct Nitrosylation of α-Diimine Rhenium Tricarbonyl Complexes to Structurally Nearly Identical Higher Charge Congeners Activable towards Photo-CO Release. Molecules 2021; 26:5302. [PMID: 34500734 PMCID: PMC8434269 DOI: 10.3390/molecules26175302] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/26/2021] [Accepted: 08/28/2021] [Indexed: 11/17/2022] Open
Abstract
The reaction of rhenium α-diimine (N-N) tricarbonyl complexes with nitrosonium tetrafluoroborate yields the corresponding dicarbonyl-nitrosyl [Re(CO)2(NO)(N-N)X]+ species (where X = halide). The complexes, accessible in a single step in good yield, are structurally nearly identical higher charge congeners of the tricarbonyl molecules. Substitution chemistry aimed at the realization of equivalent dicationic species (intended for applications as potential antimicrobial agents), revealed that the reactivity of metal ion in [Re(CO)2(NO)(N-N)X]+ is that of a hard Re acid, probably due to the stronger π-acceptor properties of NO+ as compared to those of CO. The metal ion thus shows great affinity for π-basic ligands, which are consequently difficult to replace by, e.g., σ-donor or weak π-acids like pyridine. Attempts of direct nitrosylation of α-diimine fac-[Re(CO)3]+ complexes bearing π-basic OR-type ligands gave the [Re(CO)2(NO)(N-N)(BF4)][BF4] salt as the only product in good yield, featuring a stable Re-FBF3 bond. The solid state crystal structure of nearly all molecules presented could be elucidated. A fundamental consequence of the chemistry of [Re(CO)2(NO)(N-N)X]+ complexes, it that the same can be photo-activated towards CO release and represent an entirely new class of photoCORMs.
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Affiliation(s)
- Sara Nasiri Sovari
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Isabelle Kolly
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Kevin Schindler
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Youri Cortat
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Shing-Chi Liu
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Aurelien Crochet
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Aleksandar Pavic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042 Belgrade, Serbia;
| | - Fabio Zobi
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
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7
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Auvray T, Pal AK, Hanan GS. Electronic Properties of Rhenium(I) Carbonyl Complexes Bearing Strongly Donating Hexahydro‐Pyrimidopyrimidine Based Ligands. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Thomas Auvray
- Département de Chimie Université de Montréal, Complexe des Sciences, B-3419 1375 Avenue Thérèse-Lavoie-Roux Montréal QC H2V 0B3 Canada
| | - Amlan K. Pal
- Department of Chemistry Indian Institute of Technology Jammu, Jagti Campus Nagrota Bypass Road Jammu & Kashmir 181221 India
| | - Garry S. Hanan
- Département de Chimie Université de Montréal, Complexe des Sciences, B-3419 1375 Avenue Thérèse-Lavoie-Roux Montréal QC H2V 0B3 Canada
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8
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Asbai Z, Bonfiglio A, Mercandelli P, Polo F, Mauro M. Cationic rhenium(I) complexes bearing a π-accepting pyridoannulated N-heterocyclic carbene ligand: Synthesis, photophysical, electrochemical and theoretical investigation. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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Romain C, Bellemin-Laponnaz S, Dagorne S. Recent progress on NHC-stabilized early transition metal (group 3–7) complexes: Synthesis and applications. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213411] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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10
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Shirley H, Figgins MT, Boudreaux CM, Liyanage NP, Lamb RW, Webster CE, Papish ET, Delcamp JH. Impact of the Dissolved Anion on the Electrocatalytic Reduction of CO
2
to CO with Ruthenium CNC Pincer Complexes. ChemCatChem 2020. [DOI: 10.1002/cctc.202000742] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hunter Shirley
- Department of Chemistry and Biochemistry Coulter Hall The University of Mississippi MS 38677 USA
| | - Matthew T. Figgins
- Department of Chemistry Hand Lab Mississippi State University Mississippi MS 39762 USA
| | - Chance M. Boudreaux
- Department of Chemistry and Biochemistry Shelby Hall The University of Alabama Tuscaloosa AL 35487 USA
| | - Nalaka P. Liyanage
- Department of Chemistry and Biochemistry Coulter Hall The University of Mississippi MS 38677 USA
| | - Robert W. Lamb
- Department of Chemistry Hand Lab Mississippi State University Mississippi MS 39762 USA
| | - Charles Edwin Webster
- Department of Chemistry Hand Lab Mississippi State University Mississippi MS 39762 USA
| | - Elizabeth T. Papish
- Department of Chemistry and Biochemistry Shelby Hall The University of Alabama Tuscaloosa AL 35487 USA
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry Coulter Hall The University of Mississippi MS 38677 USA
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11
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Stout MJ, Skelton BW, Sobolev AN, Raiteri P, Massi M, Simpson PV. Synthesis and Photochemical Properties of Re(I) Tricarbonyl Complexes Bound to Thione and Thiazol-2-ylidene Ligands. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00381] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Matthew J. Stout
- Curtin Institute for Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Kent Street, Bentley 6102, Perth, Western Australia, Australia
| | - Brian W. Skelton
- School of Molecular Sciences and CMCA, the University of Western Australia, 35 Stirling Highway, 6009 Perth, Western Australia, Australia
| | - Alexandre N. Sobolev
- School of Molecular Sciences and CMCA, the University of Western Australia, 35 Stirling Highway, 6009 Perth, Western Australia, Australia
| | - Paolo Raiteri
- Curtin Institute for Computation and School of Life and Molecular Sciences, Curtin University, Kent Street, Bentley 6102, Perth, Western Australia, Australia
| | - Massimiliano Massi
- Curtin Institute for Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Kent Street, Bentley 6102, Perth, Western Australia, Australia
| | - Peter V. Simpson
- Curtin Institute for Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Kent Street, Bentley 6102, Perth, Western Australia, Australia
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12
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Shirley H, Sexton TM, Liyanage NP, Palmer CZ, McNamara LE, Hammer NI, Tschumper GS, Delcamp JH. Effect of “X” Ligands on the Photocatalytic Reduction of CO
2
to CO with Re(pyridylNHC‐CF
3
)(CO)
3
X Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Hunter Shirley
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Thomas More Sexton
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Nalaka P. Liyanage
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - C. Zachary Palmer
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Louis E. McNamara
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Nathan I. Hammer
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Gregory S. Tschumper
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall 38677 University MS USA
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13
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Glaser F, Wenger OS. Recent progress in the development of transition-metal based photoredox catalysts. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213129] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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14
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Świtlicka A, Choroba K, Szlapa-Kula A, Machura B, Erfurt K. Experimental and theoretical insights into spectroscopy and electrochemistry of Re(I) carbonyl with oxazoline-based ligand. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.06.047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Nicholls TP, Burt LK, Simpson PV, Massi M, Bissember AC. Tricarbonyl rhenium(i) tetrazolato and N-heterocyclic carbene complexes: versatile visible-light-mediated photoredox catalysts. Dalton Trans 2019; 48:12749-12754. [DOI: 10.1039/c9dt02533b] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study demonstrates that structurally-diverse, photoactive rhenium(i) tricarbonyl complexes can mediate representative atom-transfer radical addition, hydrodehalogenation, and α-amino C–H functionalisation reactions.
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Affiliation(s)
- Thomas P. Nicholls
- School of Natural Sciences – Chemistry
- University of Tasmania
- Hobart
- Australia
| | - Liam K. Burt
- School of Natural Sciences – Chemistry
- University of Tasmania
- Hobart
- Australia
| | - Peter V. Simpson
- School of Molecular and Life Sciences – Curtin Institute for Functional Molecules and Interfaces
- Curtin University
- Bentley
- Australia
| | - Massimiliano Massi
- School of Molecular and Life Sciences – Curtin Institute for Functional Molecules and Interfaces
- Curtin University
- Bentley
- Australia
| | - Alex C. Bissember
- School of Natural Sciences – Chemistry
- University of Tasmania
- Hobart
- Australia
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16
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Luengo A, Fernández-Moreira V, Marzo I, Gimeno MC. Bioactive Heterobimetallic Re(I)/Au(I) Complexes Containing Bidentate N-Heterocyclic Carbenes. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00601] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Andrés Luengo
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Vanesa Fernández-Moreira
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Isabel Marzo
- Departamento de Bioquímica y Biología Molecular, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - M. Concepción Gimeno
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
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17
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Huckaba AJ, Shirley H, Lamb RW, Guertin S, Autry S, Cheema H, Talukdar K, Jones T, Jurss JW, Dass A, Hammer NI, Schmehl RH, Webster CE, Delcamp JH. A Mononuclear Tungsten Photocatalyst for H2 Production. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04242] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Aron J. Huckaba
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Hunter Shirley
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Robert W. Lamb
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Steve Guertin
- Department of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Shane Autry
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Hammad Cheema
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Kallol Talukdar
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Tanya Jones
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Jonah W. Jurss
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Amala Dass
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Nathan I. Hammer
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Russell H. Schmehl
- Department of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Charles Edwin Webster
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
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18
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Shillito GE, Hall TBJ, Preston D, Traber P, Wu L, Reynolds KEA, Horvath R, Sun XZ, Lucas NT, Crowley JD, George MW, Kupfer S, Gordon KC. Dramatic Alteration of 3ILCT Lifetimes Using Ancillary Ligands in [Re(L)(CO) 3(phen-TPA)] n+ Complexes: An Integrated Spectroscopic and Theoretical Study. J Am Chem Soc 2018. [PMID: 29537264 DOI: 10.1021/jacs.7b12868] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The ground and excited state photophysical properties of a series of fac-[Re(L)(CO)3(α-diimine)] n+ complexes, where L = Br-, Cl-, 4-dimethylaminopyridine (dmap) and pyridine (py) have been extensively studied utilizing numerous electronic and vibrational spectroscopic techniques in conjunction with a suite of quantum chemical methods. The α-diimine ligand consists of 1,10-phenanthroline with the highly electron donating triphenylamine (TPA) appended in the 5 position. This gives rise to intraligand charge transfer (ILCT) states lying lower in energy than the conventional metal-to-ligand charge transfer (MLCT) state, the energies of which are red and blue-shifted, respectively, as the ancillary ligand, L becomes more electron withdrawing. The emitting state is 3ILCT in nature for all complexes studied, characterized through transient absorption and emission, transient resonance Raman (TR2), time-resolved infrared (TRIR) spectroscopy and TDDFT calculations. Systematic modulation of the ancillary ligand causes unanticipated variation in the 3ILCT lifetime by 2 orders of magnitude, ranging from 6.0 μs for L = Br- to 27 ns for L = py, without altering the nature of the excited state formed or the relative order of the other CT states present. Temperature dependent lifetime measurements and quantum chemical calculations provide no clear indication of close lying deactivating states, MO switching, contributions from a halide-to-ligand charge transfer (XLCT) state or dramatic changes in spin-orbit coupling. It appears that the influence of the ancillary ligand on the excited state lifetime could be explained in terms of energy gap law, in which there is a correlation between ln( knr) and Eem with a slope of -21.4 eV-1 for the 3ILCT emission.
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Affiliation(s)
- Georgina E Shillito
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
| | - Thomas B J Hall
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
| | - Dan Preston
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
| | - Philipp Traber
- Institute for Physical Chemistry , Friedrich Schiller University Jena , Helmholtzweg 4 , 07743 Jena , Germany
| | - Lingjun Wu
- School of Chemistry , University of Nottingham , Nottingham NG7 2RD , United Kingdom
| | | | - Raphael Horvath
- School of Chemistry , University of Nottingham , Nottingham NG7 2RD , United Kingdom
| | - Xue Z Sun
- School of Chemistry , University of Nottingham , Nottingham NG7 2RD , United Kingdom
| | - Nigel T Lucas
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
| | - James D Crowley
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
| | - Michael W George
- School of Chemistry , University of Nottingham , Nottingham NG7 2RD , United Kingdom.,Department of Chemical and Environmental Engineering , University of Nottingham Ningbo China , 199 Taikang East Road , Ningbo 315100 , China
| | - Stephan Kupfer
- Institute for Physical Chemistry , Friedrich Schiller University Jena , Helmholtzweg 4 , 07743 Jena , Germany
| | - Keith C Gordon
- Department of Chemistry , University of Otago , P.O. Box 56 , Dunedin , New Zealand
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19
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A Robust Pyridyl-NHC-Ligated Rhenium Photocatalyst for CO2 Reduction in the Presence of Water and Oxygen. INORGANICS 2018. [DOI: 10.3390/inorganics6010022] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Re(pyNHC-PhCF3)(CO)3Br is a highly active photocatalyst for CO2 reduction. The PhCF3 derivative was previously empirically shown to be a robust catalyst. Here, the role of the PhCF3 group is probed computationally and the robust nature of this catalyst is analyzed with regard to the presence of water and oxygen introduced in controlled amounts during the photocatalytic reduction of CO2 to CO with visible light. This complex was found to work well from 0–1% water concentration reproducibly; however, trace amounts of water were required for benchmark Re(bpy)(CO)3Cl to give reproducible reactivity. When ambient air is added to the reaction mixture, the NHC complex was found to retain substantial performance (~50% of optimized reactivity) at up to 40% ambient atmosphere and 60% CO2 while the Re(bpy)(CO)3Cl complex was found to give a dramatically reduced CO2 reduction reactivity upon introduction of ambient atmosphere. Through the use of time-correlated single photon counting studies and prior electrochemical results, we reasoned that this enhanced catalyst resilience is due to a mechanistic difference between the NHC- and bpy-based catalysts. These results highlight an important feature of this NHC-ligated catalyst: substantially enhanced stability toward common reaction contaminates.
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20
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Simpson PV, Falasca M, Massi M. Properties and prospects for rhenium(i) tricarbonyl N-heterocyclic carbene complexes. Chem Commun (Camb) 2018; 54:12429-12438. [DOI: 10.1039/c8cc06596a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rhenium tricarbonyl complexes bound to N-heterocyclic carbene ligands are emerging as a new class of complexes with promising applications in a wide variety of areas.
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Affiliation(s)
- Peter V. Simpson
- School of Molecular and Life Science, Curtin Institute for Functional Molecules and Interfaces, Curtin University
- Bentley 6102 WA
- Australia
| | - Marco Falasca
- Metabolic Signalling Group, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University
- Bentley 6102 WA
- Australia
| | - Massimiliano Massi
- School of Molecular and Life Science, Curtin Institute for Functional Molecules and Interfaces, Curtin University
- Bentley 6102 WA
- Australia
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21
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Photophysical behavior of systematically substituted (di-2-pyridylaminomethyl) benzene ligands and its Re(I) complexes: A combined experimental and theoretical approach. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2017.03.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Simpson PV, Casari I, Paternoster S, Skelton BW, Falasca M, Massi M. Defining the Anti‐Cancer Activity of Tricarbonyl Rhenium Complexes: Induction of G2/M Cell Cycle Arrest and Blockade of Aurora‐A Kinase Phosphorylation. Chemistry 2017; 23:6518-6521. [DOI: 10.1002/chem.201701208] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Indexed: 12/24/2022]
Affiliation(s)
- Peter V. Simpson
- Curtin Institute of Functional Molecules and Interfaces, Department of Chemistry Curtin University Kent Street Bentley 6102 WA Australia
| | - Ilaria Casari
- Metabolic Signalling Group, School of Biomedical Sciences Curtin Health Innovation Research Institute Curtin University Perth, Western Australia 6102 Australia
| | - Silvano Paternoster
- Metabolic Signalling Group, School of Biomedical Sciences Curtin Health Innovation Research Institute Curtin University Perth, Western Australia 6102 Australia
| | - Brian W. Skelton
- School of Chemistry and Biochemistry University of Western Australia Crawley 6009 WA Australia
| | - Marco Falasca
- Metabolic Signalling Group, School of Biomedical Sciences Curtin Health Innovation Research Institute Curtin University Perth, Western Australia 6102 Australia
| | - Massimiliano Massi
- Curtin Institute of Functional Molecules and Interfaces, Department of Chemistry Curtin University Kent Street Bentley 6102 WA Australia
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23
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Mukuta T, Simpson PV, Vaughan JG, Skelton BW, Stagni S, Massi M, Koike K, Ishitani O, Onda K. Photochemical Processes in a Rhenium(I) Tricarbonyl N-Heterocyclic Carbene Complex Studied by Time-Resolved Measurements. Inorg Chem 2017; 56:3404-3413. [PMID: 28240873 DOI: 10.1021/acs.inorgchem.6b02936] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We carried out time-resolved infrared (TR-IR) and emission lifetime measurements on a Re(I) carbonyl complex having an N-heterocyclic carbene ligand, namely, fac-[Re(CO)3(PyImPh)Br], under photochemically reactive (in solution in acetonitrile) and nonreactive (in solution in dichloromethane) conditions to investigate the mechanism of photochemical ligand substitution reactions. The TR-IR measurements revealed that no reaction occurs on a picosecond time scale and the cationic product, namely, fac-[Re(CO)3(PyImPh)(MeCN)]+, is produced on a nanosecond time scale only in solution in acetonitrile, which indicates that the reaction proceeds thermally from the excited state. Because no other products were observed by TR-IR, we concluded that this cationic product is an intermediate species for further reactions. The measurements of the temperature-dependent emission lifetime and analysis using transition-state theory revealed that the photochemical substitution reaction proceeds from a metal-to-ligand charge transfer excited state, the structure of which allows the potential coordination of a solvent molecule. Thus, the coordinating capacity of the solvent determines whether the reaction proceeds or not. This mechanism is different from those of photochemical reactions of other types of Re(I) carbonyl complexes owing to the unique characteristics of the carbene ligand.
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Affiliation(s)
- Tatsuhiko Mukuta
- Department of Chemistry, School of Science, Tokyo Institute of Technology , O-okayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Peter V Simpson
- Department of Chemistry and Nanochemistry Research Institute, Curtin University , Kent Street, Bentley, 6102 Western Australia, Australia
| | - Jamila G Vaughan
- Department of Chemistry and Nanochemistry Research Institute, Curtin University , Kent Street, Bentley, 6102 Western Australia, Australia
| | - Brian W Skelton
- Centre for Microscopy, Characterisation and Analysis, University of Western Australia , Crawley, 6009 Western Australia, Australia
| | - Stefano Stagni
- Department of Industrial Chemistry "Toso Montanari," University of Bologna , viale del Risorgimento 4, I-40136 Bologna, Italy
| | - Massimiliano Massi
- Department of Chemistry and Nanochemistry Research Institute, Curtin University , Kent Street, Bentley, 6102 Western Australia, Australia
| | - Kazuhide Koike
- National Institute of Advanced Industrial Science and Technology , 16-1 Onogawa, Tsukuba 305-8569, Japan
| | - Osamu Ishitani
- Department of Chemistry, School of Science, Tokyo Institute of Technology , O-okayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Ken Onda
- Interactive Research Center of Science, Tokyo Institute of Technology , Nagatsuta, Midori-ku, Yokohama, Kanagawa 226-8502, Japan.,PRESTO, Japan Science and Technology Agency (JST) , 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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24
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Siegmund D, Lorenz N, Gothe Y, Spies C, Geissler B, Prochnow P, Nuernberger P, Bandow JE, Metzler-Nolte N. Benzannulated Re(i)–NHC complexes: synthesis, photophysical properties and antimicrobial activity. Dalton Trans 2017; 46:15269-15279. [DOI: 10.1039/c7dt02874a] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A series of novel Re(i)(CO)3–NHC complexes bearing unsubstituted benzimidazol-2-ylidene ligands is presented which provide strong luminescence as well as high antibacterial activity.
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Affiliation(s)
- Daniel Siegmund
- Inorganic Chemistry I
- Bioinorganic Chemistry
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
| | - Nicole Lorenz
- Inorganic Chemistry I
- Bioinorganic Chemistry
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
| | - Yvonne Gothe
- Inorganic Chemistry I
- Bioinorganic Chemistry
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
| | - Christian Spies
- Physical Chemistry II
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
- Germany
| | - Bastian Geissler
- Physical Chemistry II
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
- Germany
| | - Pascal Prochnow
- Applied Microbiology
- Faculty of Biology and Biotechnology
- Ruhr University Bochum
- 44780 Bochum
- Germany
| | - Patrick Nuernberger
- Physical Chemistry II
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
- Germany
| | - Julia E. Bandow
- Applied Microbiology
- Faculty of Biology and Biotechnology
- Ruhr University Bochum
- 44780 Bochum
- Germany
| | - Nils Metzler-Nolte
- Inorganic Chemistry I
- Bioinorganic Chemistry
- Faculty of Chemistry and Biochemistry
- Ruhr University Bochum
- 44801 Bochum
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25
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Beltrán TF, Zaragoza G, Delaude L. Synthesis, characterization, and gas-phase fragmentation of rhenium-carbonyl complexes bearing imidazol(in)ium-2-dithiocarboxylate ligands. Dalton Trans 2016; 45:18346-18355. [PMID: 27805209 DOI: 10.1039/c6dt03428d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Five complexes with the generic formula [ReBr(CO)3(κ2-S,S'-S2C·NHC)] were obtained by reacting [ReBr(CO)5] with a set of representative imidazol(in)ium-2-dithiocarboxylate zwitterions. These ligands are the adducts of N-heterocyclic carbenes (NHCs) and carbon disulfide. The monometallic Re(i) compounds were further coupled with Na[Re(CO)5] to afford bimetallic Re(0) species. Depending on the experimental conditions, either octacarbonyl dimers [Re2(CO)8(μ2-κ1-S,κ1-S'-S2C·NHC)] or hexacarbonyl clusters [Re2(CO)6(κ2-S,S'-κ3-S,C,S'-S2C·NHC)] were isolated. All the products were fully characterized using various analytical techniques. Single crystal XRD analysis helped establish with certainty the various binding modes exhibited by the NHC·CS2 ligands. With bite angles ranging from ca. 104 to 130°, these zwitterions displayed a remarkable flexibility, which also permitted significant twists of the thiometallated rings to preserve a staggered arrangement of the carbonyl groups in the bimetallic systems. Monitoring the chemical shift of the CS2- moiety by 13C NMR spectroscopy was most useful to detect its change of hapticity upon decarbonylation of the octacarbonyl compounds into hexacarbonyl derivatives. IR spectroscopy was another very convenient tool to identify the type of complex formed in a reaction, based on the pattern of its carbonyl vibration bands. Advanced mass spectrometry techniques showed that all the compounds underwent partial or total decarbonylation in the gas phase with no concomitant fragmentation of the bimetallic assemblies into monometallic ions.
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Affiliation(s)
- Tomás F Beltrán
- Laboratory of Organometallic Chemistry and Homogeneous Catalysis, Institut de Chimie (B6a), Allée du six Août 13, Quartier Agora, Université de Liège, 4000 Liège, Belgium.
| | - Guillermo Zaragoza
- Unidade de Difracción de Raios X, Edificio CACTUS, Universidade de Santiago de Compostela, Campus Vida, 15782 Santiago de Compostela, Spain
| | - Lionel Delaude
- Laboratory of Organometallic Chemistry and Homogeneous Catalysis, Institut de Chimie (B6a), Allée du six Août 13, Quartier Agora, Université de Liège, 4000 Liège, Belgium.
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26
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Lambic NS, Lilly CP, Robbins LK, Sommer RD, Ison EA. Reductive Carbonylation of Oxorhenium Hydrides Induced by Lewis Acids. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00393] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nikola S. Lambic
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Cassandra P. Lilly
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Leanna K. Robbins
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Roger D. Sommer
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Elon A. Ison
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
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27
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Ng CO, Cheng SC, Chu WK, Tang KM, Yiu SM, Ko CC. Luminescent Rhenium(I) Pyridyldiaminocarbene Complexes: Photophysics, Anion-Binding, and CO2-Capturing Properties. Inorg Chem 2016; 55:7969-79. [DOI: 10.1021/acs.inorgchem.6b01017] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Chi-On Ng
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
| | - Shun-Cheung Cheng
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
| | - Wing-Kin Chu
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
| | - Kin-Man Tang
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
| | - Shek-Man Yiu
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
| | - Chi-Chiu Ko
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon,
Hong Kong, China
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28
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Liyanage NP, Dulaney HA, Huckaba AJ, Jurss JW, Delcamp JH. Electrocatalytic Reduction of CO2 to CO With Re-Pyridyl-NHCs: Proton Source Influence on Rates and Product Selectivities. Inorg Chem 2016; 55:6085-94. [PMID: 27281546 DOI: 10.1021/acs.inorgchem.6b00626] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of four electron-deficient-substituted Re(I) pyridyl N-heterocyclic carbene (pyNHC) complexes have been synthesized, and their electrocatalytic reduction of CO2 has been evaluated by cyclic voltammetry and controlled potential electrolysis experiments. All of the catalysts were evaluated by cyclic voltammetry under inert atmosphere and under CO2 and compared to the known benchmark catalyst Re(bpy)(CO)3Br. Among the four Re-NHC catalysts, Re(pyNHC-PhCF3)(CO)3Br (2) demonstrated the highest catalytic rate (icat/ip)(2) at the first and second reduction events with a value of 4 at the second reduction potential (TOF = 0.8 s(-1)). The rate of catalysis was enhanced through the addition of proton sources (PhOH, TFE, and H2O; TOF up to 100 s(-1); (icat/ip)(2) = 700). Controlled potential electrolysis shows Faradaic efficiencies (FE) for CO production and accumulated charge for the Re(pyNHC-PhCF3)(CO)3Br catalyst exceed those of the benchmark catalyst in the presence of 2 M H2O (92%, 13 C at 1 h versus 61%, 3 C for the benchmark catalyst) under analogous experimental conditions. A peak FE of 100% was observed during electrolysis with Re(pyNHC-PhCF3)(CO)3Br.
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Affiliation(s)
- Nalaka P Liyanage
- Department of Chemistry and Biochemistry, University of Mississippi , Coulter Hall, University, Mississippi 38677, United States
| | - Hunter A Dulaney
- Department of Chemistry and Biochemistry, University of Mississippi , Coulter Hall, University, Mississippi 38677, United States
| | - Aron J Huckaba
- Department of Chemistry and Biochemistry, University of Mississippi , Coulter Hall, University, Mississippi 38677, United States
| | - Jonah W Jurss
- Department of Chemistry and Biochemistry, University of Mississippi , Coulter Hall, University, Mississippi 38677, United States
| | - Jared H Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi , Coulter Hall, University, Mississippi 38677, United States
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29
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Stanton CJ, Machan CW, Vandezande JE, Jin T, Majetich GF, Schaefer HF, Kubiak CP, Li G, Agarwal J. Re(I) NHC Complexes for Electrocatalytic Conversion of CO2. Inorg Chem 2016; 55:3136-44. [PMID: 26950549 DOI: 10.1021/acs.inorgchem.6b00079] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The modular construction of ligands around an N-heterocyclic carbene building block represents a flexible synthetic strategy for tuning the electronic properties of metal complexes. Herein, methylbenzimidazolium-pyridine and methylbenzimidazolium-pyrimidine proligands are constructed in high yield using recently established transition-metal-free techniques. Subsequent chelation to ReCl(CO)5 furnishes ReCl(N-methyl-N'-2-pyridylbenzimidazol-2-ylidine)(CO)3 and ReCl(N-methyl-N'-2-pyrimidylbenzimidazol-2-ylidine)(CO)3. These Re(I) NHC complexes are shown to be capable of mediating the two-electron conversion of CO2 following one-electron reduction; the Faradaic efficiency for CO formation is observed to be >60% with minor H2 and HCO2H production. Data from cyclic voltammetry is presented and compared to well-studied ReCl(2,2'-bipyridine)(CO)3 and MnBr(2,2'-bipyridine)(CO)3 systems. Results from density functional theory computations, infrared spectroelectrochemistry, and chemical reductions are also discussed.
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Affiliation(s)
- Charles J Stanton
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Charles W Machan
- Department of Chemistry and Biochemistry, University of California , San Diego, California 92093, United States
| | - Jonathon E Vandezande
- Center for Computational Quantum Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Tong Jin
- Department of Chemistry, University of New Hampshire , Durham, New Hampshire 03824, United States
| | - George F Majetich
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Henry F Schaefer
- Center for Computational Quantum Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Clifford P Kubiak
- Department of Chemistry and Biochemistry, University of California , San Diego, California 92093, United States
| | - Gonghu Li
- Department of Chemistry, University of New Hampshire , Durham, New Hampshire 03824, United States
| | - Jay Agarwal
- Center for Computational Quantum Chemistry, University of Georgia , Athens, Georgia 30602, United States
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30
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Jin T, He D, Li W, Stanton CJ, Pantovich SA, Majetich GF, Schaefer HF, Agarwal J, Wang D, Li G. CO2 reduction with Re(i)–NHC compounds: driving selective catalysis with a silicon nanowire photoelectrode. Chem Commun (Camb) 2016; 52:14258-14261. [DOI: 10.1039/c6cc08240h] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Excellent selectivity was observed in CO2 reduction using Re(i)–NHC catalysts on a silicon nanowire photoelectrode.
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Affiliation(s)
- Tong Jin
- Department of Chemistry
- University of New Hampshire
- Durham
- USA
| | - Da He
- Department of Chemistry
- Boston College
- Chestnut Hill
- USA
| | - Wei Li
- Department of Chemistry
- Boston College
- Chestnut Hill
- USA
| | | | | | | | - Henry F. Schaefer
- Center for Computational Quantum Chemistry
- University of Georgia
- Athens
- USA
| | - Jay Agarwal
- Center for Computational Quantum Chemistry
- University of Georgia
- Athens
- USA
| | - Dunwei Wang
- Department of Chemistry
- Boston College
- Chestnut Hill
- USA
| | - Gonghu Li
- Department of Chemistry
- University of New Hampshire
- Durham
- USA
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31
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Zhao S, Wu F, Ma Y, Chen W, Liu M, Wu H. Enhancement of N-heterocyclic carbenes on rhodium catalyzed olefination of triazoles. Org Biomol Chem 2016; 14:2550-5. [DOI: 10.1039/c5ob02397a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A few rhodium complexes of N-heterocyclic carbenes were prepared through carbene transfer reactions and their structures were characterized by X-ray diffraction analysis.
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Affiliation(s)
- Shixian Zhao
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Feifei Wu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Yuyu Ma
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Wanzhi Chen
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Miaochang Liu
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou
- China
| | - Huayue Wu
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou
- China
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32
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Hille C, Kühn FE. Cationic rhenium complexes ligated with N-heterocyclic carbenes – an overview. Dalton Trans 2016; 45:15-31. [DOI: 10.1039/c5dt03641k] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review provides an overview of the currently known cationic rhenium NHC complexes.
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Affiliation(s)
- Claudia Hille
- Chair of Inorganic Chemistry/Molecular Catalysis
- Department of Chemistry
- Catalysis Research Center
- Technische Universität München
- D-85747 Garching bei München
| | - Fritz E. Kühn
- Chair of Inorganic Chemistry/Molecular Catalysis
- Department of Chemistry
- Catalysis Research Center
- Technische Universität München
- D-85747 Garching bei München
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33
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Simpson PV, Skelton BW, Raiteri P, Massi M. Photophysical and photochemical studies of tricarbonyl rhenium(i) N-heterocyclic carbene complexes containing azide and triazolate ligands. NEW J CHEM 2016. [DOI: 10.1039/c5nj03301b] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhenium NHC complexes bound to azide anions readily react with alkynes to form the corresponding triazolate complexes, a new class of photochemically active species.
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Affiliation(s)
- Peter V. Simpson
- Nanochemistry Research Institute – Department of Chemistry
- Curtin University
- Bentley 6102 WA
- Australia
| | - Brian W. Skelton
- Centre for Microscopy
- Characterisation and Analysis
- University of Western Australia
- Crawley 6009 WA
- Australia
| | - Paolo Raiteri
- Nanochemistry Research Institute – Department of Chemistry
- Curtin University
- Bentley 6102 WA
- Australia
| | - Massimiliano Massi
- Nanochemistry Research Institute – Department of Chemistry
- Curtin University
- Bentley 6102 WA
- Australia
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Abstract
A series of Re(I) pyridyl N-heterocyclic carbene (NHC) complexes have been synthesized and examined in the photocatalytic reduction of CO2 using a simulated solar spectrum. The catalysts were characterized through NMR, UV-vis, cyclic voltammetry under nitrogen, and cyclic voltammetry under carbon dioxide. The complexes were compared directly with a known benchmark catalyst, Re(bpy) (CO)3Br. An electron-deficient NHC substituent (PhCF3) was found to promote catalytic activity when compared with electron-neutral and -rich substituents. Re(PyNHC-PhCF3) (CO)3Br was found to exceed the CO production of the benchmark Re(bpy) (CO)3Br catalyst (51 vs 33 TON) in the presence of electron donor BIH and photosensitizer fac-Ir(ppy)3. Importantly, Re(PyNHC-PhCF3) (CO)3Br was found to function without a photosensitizer (32 TON) at substantially higher turnovers than the benchmark catalyst Re(bpy) (CO)3Br (14 TON) under a solar simulated spectrum.
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Affiliation(s)
- Aron J Huckaba
- Department of Chemistry and Biochemistry, University of Mississippi , 405 Coulter Hall, University, Mississippi 38677, United States
| | - Emily Anne Sharpe
- Department of Chemistry and Biochemistry, University of Mississippi , 405 Coulter Hall, University, Mississippi 38677, United States
| | - Jared H Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi , 405 Coulter Hall, University, Mississippi 38677, United States
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Booysen IN, Ebonumoliseh I, Akerman MP, Xulu B. A rhenium(I) compound bearing a dimerized chromone NO bidentate chelator. INORG CHEM COMMUN 2015. [DOI: 10.1016/j.inoche.2015.10.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Gómez-Iglesias P, Guyon F, Khatyr A, Ulrich G, Knorr M, Martín-Alvarez JM, Miguel D, Villafañe F. Luminescent rhenium(I) tricarbonyl complexes with pyrazolylamidino ligands: photophysical, electrochemical, and computational studies. Dalton Trans 2015; 44:17516-28. [PMID: 26389827 DOI: 10.1039/c5dt02793d] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
New pyrazolylamidino complexes fac-[ReCl(CO)3(NH[double bond, length as m-dash]C(Me)pz*-κ(2)N,N)] (pz*H = pyrazole, pzH; 3,5-dimethylpyrazole, dmpzH; indazole, indzH) and fac-[ReBr(CO)3(NH[double bond, length as m-dash]C(Ph)pz*-κ(2)N,N)] are synthesized via base-catalyzed coupling of the appropriate nitrile with pyrazole, or via metathesis by halide abstraction with AgBF4 from a bromido pyrazolylamidino complex and the subsequent addition of LiCl. In order to study both the influence of the substituents present at the pyrazolylamidino ligand, and that of the "sixth" ligand in the complex, photophysical, electrochemical, and computational studies have been carried out on this series and other complexes previously described by us, of the general formula fac-[ReL(CO)3(NH[double bond, length as m-dash]C(R')pz*-κ(2)N,N)](n+) (L = Cl, Br; R' = Me, Ph, n = 0; or L = NCMe, dmpzH, indzH, R' = Me, n = 1). All complexes exhibit phosphorescent decays from a prevalently (3)MLCT excited state with quantum yields (Φ) in the range between 0.007 and 0.039, and long lifetimes (τ∼ 8-1900 ns). The electrochemical study reveals irreversible reduction for all complexes. The oxidation of the neutral complexes was found to be irreversible due to halido-dissociation, whereas the cationic species display a reversible process implying the ReI/ReII couple. Density functional and time-dependent density functional theory (TD-DFT) calculations provide a reasonable trend for the values of emission energies in line with the experimental photophysical data, supporting the (3)MLCT based character of the emissions.
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Affiliation(s)
- Patricia Gómez-Iglesias
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
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Agarwal J, Stanton Iii CJ, Shaw TW, Vandezande JE, Majetich GF, Bocarsly AB, Schaefer Iii HF. Exploring the effect of axial ligand substitution (X = Br, NCS, CN) on the photodecomposition and electrochemical activity of [MnX(N-C)(CO)3] complexes. Dalton Trans 2015; 44:2122-31. [PMID: 25501649 DOI: 10.1039/c4dt03079f] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The synthesis, electrochemical activity, and relative photodecomposition rate is reported for four new Mn(i) N-heterocyclic carbene complexes: [MnX(N-ethyl-N'-2-pyridylimidazol-2-ylidine)(CO)3] (X = Br, NCS, CN) and [MnCN(N-ethyl-N'-2-pyridylbenzimidazol-2-ylidine)(CO)3]. All compounds display an electrocatalytic current enhancement under CO2 at the potential of the first reduction, which ranges from -1.53 V to -1.96 V versus the saturated calomel electrode. Catalytic CO production is observed for all species during four-hour preparative-scale electrolysis, but substantial H2 is detected in compounds where X is not Br. All species eventually decompose under both 350 nm and 420 nm light, but cyanide substituted complexes (X = CN) last significantly longer (up to 5×) under 420 nm light as a result of a blue-shifted MLCT band.
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Affiliation(s)
- Jay Agarwal
- Center for Computational Quantum Chemistry, University of Georgia, Athens, GA, USA.
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Theoretical investigation of different functional groups effect on the photophysical performance of tricarbonylrhenium(I) complexes with tetrathiafulvalene derivative as dyes in dye-sensitized solar cell. Theor Chem Acc 2015. [DOI: 10.1007/s00214-015-1665-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Kowalski K, Szczupak Ł, Bernaś T, Czerwieniec R. Luminescent rhenium(I)–chromone bioconjugate: Synthesis, photophysical properties, and confocal luminescence microscopy investigation. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.01.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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40
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Lyczko K, Lyczko M, Mieczkowski J. A series of tricarbonylrhenium(I) complexes with the N-methyl-2-pyridinecarboxyamide ligand: Synthesis, structure, spectroscopic characterization and computational studies. Polyhedron 2015. [DOI: 10.1016/j.poly.2014.11.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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41
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Kondrasenko I, Kisel KS, Karttunen AJ, Jänis J, Grachova EV, Tunik SP, Koshevoy IO. Rhenium(I) Complexes with Alkynylphosphane Ligands: Structural, Photophysical, and Theoretical Studies. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ilya Kondrasenko
- Department of Chemistry, University of Eastern Finland, 80101 Joensuu, Finland, http://www.uef.fi/fi/kemia/kemia
| | - Kristina S. Kisel
- Department of Chemistry, St.‐Petersburg State University, Universitetskii pr. 26, 198504 St Petersburg, Russia, http://tmc‐lab.chem.spbu.ru/
| | | | - Janne Jänis
- Department of Chemistry, University of Eastern Finland, 80101 Joensuu, Finland, http://www.uef.fi/fi/kemia/kemia
| | - Elena V. Grachova
- Department of Chemistry, St.‐Petersburg State University, Universitetskii pr. 26, 198504 St Petersburg, Russia, http://tmc‐lab.chem.spbu.ru/
| | - Sergey P. Tunik
- Department of Chemistry, St.‐Petersburg State University, Universitetskii pr. 26, 198504 St Petersburg, Russia, http://tmc‐lab.chem.spbu.ru/
| | - Igor O. Koshevoy
- Department of Chemistry, University of Eastern Finland, 80101 Joensuu, Finland, http://www.uef.fi/fi/kemia/kemia
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Bellemin-Laponnaz S, Dagorne S. Group 1 and 2 and early transition metal complexes bearing N-heterocyclic carbene ligands: coordination chemistry, reactivity, and applications. Chem Rev 2014; 114:8747-74. [PMID: 25144918 DOI: 10.1021/cr500227y] [Citation(s) in RCA: 251] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Stéphane Bellemin-Laponnaz
- IPCMS (Institut de Physique et Chimie des Matériaux de Strasbourg), CNRS-Université de Strasbourg , 23 rue du Loess BP 43, F-67034 Strasbourg, France
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43
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Pal AK, Hanan GS. Structural, electrochemical and photophysical investigations of Re(i)-complexes of κ3N-tridentate heterocyclic ligands. Dalton Trans 2014; 43:11811-4. [DOI: 10.1039/c4dt01454e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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