551
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Maity R, Hohloch S, Su CY, van der Meer M, Sarkar B. Cyclometalated mono- and dinuclear Ir(III) complexes with "click"-derived triazoles and mesoionic carbenes. Chemistry 2014; 20:9952-61. [PMID: 25044321 DOI: 10.1002/chem.201402838] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2014] [Indexed: 11/12/2022]
Abstract
Orthometalation at Ir(III) centers is usually facile, and such orthometalated complexes often display intriguing electronic and catalytic properties. By using a central phenyl ring as C-H activation sites, we present here mono- and dinuclear Ir(III) complexes with "click"-derived 1,2,3-triazole and 1,2,3-triazol-5-ylidene ligands, in which the wingtip phenyl groups in the aforementioned ligands are additionally orthometalated and bind as carbanionic donors to the Ir(III) centers. Structural characterization of the complexes reveal a piano stool-type of coordination around the metal centers with the "click"-derived ligands bound either with C^N or C^C donor sets to the Ir(III) centers. Furthermore, whereas bond localization is observed within the 1,2,3-triazole ligands, a more delocalized situation is found in their 1,2,3-triazol-5-ylidene counterparts. All complexes were subjected to catalytic tests for the transfer hydrogenation of benzaldehyde and acetophenone. The dinuclear complexes turned out to be more active than their mononuclear counterparts. We present here the first examples of stable, isomer-pure, dinuclear cyclometalated Ir(III) complexes with poly-mesoionic-carbene ligands.
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Affiliation(s)
- Ramananda Maity
- Institut für Chemie und Biochemie, Anorganische Chemie, Freie Universität Berlin, Fabeckstrasse 34-36, 14195 Berlin (Germany), Fax: (+49) 30-838-53310
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552
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Asmus S, Beckendorf S, Zurro M, Mück-Lichtenfeld C, Fröhlich R, García Mancheño O. Influence of the Substitution and Conformation of CH-Bond-Based Bis-Triazole Acceptors in Anion-Binding Catalysis. Chem Asian J 2014; 9:2178-86. [DOI: 10.1002/asia.201402237] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Indexed: 01/07/2023]
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553
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Bertrand HC, Clède S, Guillot R, Lambert F, Policar C. Luminescence Modulations of Rhenium Tricarbonyl Complexes Induced by Structural Variations. Inorg Chem 2014; 53:6204-23. [DOI: 10.1021/ic5007007] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hélène C. Bertrand
- Sorbonne Universités, UPMC Univ Paris 06, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- CNRS, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- ENS, Département de Chimie,
Laboratoire des Biomolécules, 24 rue Lhomond, 75005 Paris, France
| | - Sylvain Clède
- Sorbonne Universités, UPMC Univ Paris 06, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- CNRS, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- ENS, Département de Chimie,
Laboratoire des Biomolécules, 24 rue Lhomond, 75005 Paris, France
| | - Régis Guillot
- Université Paris-Sud, ICMMO,
UMR CNRS 8182, 91405 Orsay, France
| | - François Lambert
- Sorbonne Universités, UPMC Univ Paris 06, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- CNRS, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- ENS, Département de Chimie,
Laboratoire des Biomolécules, 24 rue Lhomond, 75005 Paris, France
| | - Clotilde Policar
- Sorbonne Universités, UPMC Univ Paris 06, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- CNRS, UMR 7203, Laboratoire des Biomolécules, F-75005 Paris, France
- ENS, Département de Chimie,
Laboratoire des Biomolécules, 24 rue Lhomond, 75005 Paris, France
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554
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Medina F, Besnard C, Lacour J. One-step synthesis of nitrogen-containing medium-sized rings via α-imino diazo intermediates. Org Lett 2014; 16:3232-5. [PMID: 24885761 DOI: 10.1021/ol5012532] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Eight- and 9-membered dioxazocines and dioxazonines are readily synthesized starting from N-sulfonyl-1,2,3-triazoles in a single-step procedure. A perfect regioselectivity and generally good yields (up to 92%) are obtained under dirhodium catalysis using 1,3-dioxolane and 1,3-dioxane as solvents and reagents.
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Affiliation(s)
- Florian Medina
- Department of Organic Chemistry, University of Geneva , 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland
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555
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Bolje A, Hohloch S, Urankar D, Pevec A, Gazvoda M, Sarkar B, Košmrlj J. Exploring the Scope of Pyridyl- and Picolyl-Functionalized 1,2,3-Triazol-5-ylidenes in Bidentate Coordination to Ruthenium(II) Cymene Chloride Complexes. Organometallics 2014. [DOI: 10.1021/om500287t] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Aljoša Bolje
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SI-1000 Ljubljana, Slovenia
| | - Stephan Hohloch
- Institut für Chemie und Biochemie, Anorganische
Chemie, Freie Universität Berlin, Fabeckstraße 34-36, D-14195 Berlin, Germany
| | - Damijana Urankar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SI-1000 Ljubljana, Slovenia
| | - Andrej Pevec
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SI-1000 Ljubljana, Slovenia
| | - Martin Gazvoda
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SI-1000 Ljubljana, Slovenia
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie, Anorganische
Chemie, Freie Universität Berlin, Fabeckstraße 34-36, D-14195 Berlin, Germany
| | - Janez Košmrlj
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SI-1000 Ljubljana, Slovenia
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556
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Sinn S, Schulze B, Friebe C, Brown DG, Jäger M, Altuntaş E, Kübel J, Guntner O, Berlinguette CP, Dietzek B, Schubert US. Physicochemical Analysis of Ruthenium(II) Sensitizers of 1,2,3-Triazole-Derived Mesoionic Carbene and Cyclometalating Ligands. Inorg Chem 2014; 53:2083-95. [DOI: 10.1021/ic402702z] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Stephan Sinn
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Benjamin Schulze
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Christian Friebe
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Douglas G. Brown
- Department
of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
| | - Michael Jäger
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Esra Altuntaş
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Joachim Kübel
- Institute
of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, 07745 Jena, Germany
| | - Oliver Guntner
- Institute
of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
| | - Curtis P. Berlinguette
- Department
of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
- Department
of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Benjamin Dietzek
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
- Institute
of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, 07745 Jena, Germany
| | - Ulrich S. Schubert
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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557
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Sinn S, Schulze B, Friebe C, Brown DG, Jäger M, Kübel J, Dietzek B, Berlinguette CP, Schubert US. A Heteroleptic Bis(tridentate) Ruthenium(II) Platform Featuring an Anionic 1,2,3-Triazolate-Based Ligand for Application in the Dye-Sensitized Solar Cell. Inorg Chem 2014; 53:1637-45. [DOI: 10.1021/ic402701v] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Stephan Sinn
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Benjamin Schulze
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Christian Friebe
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Douglas G. Brown
- Department
of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
| | - Michael Jäger
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Joachim Kübel
- Institute
of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Leibniz Institute
of Photonic Technology (IPHT), Albert-Einstein-Str.
9, 07745 Jena, Germany
| | - Benjamin Dietzek
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
- Institute
of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Leibniz Institute
of Photonic Technology (IPHT), Albert-Einstein-Str.
9, 07745 Jena, Germany
| | - Curtis P. Berlinguette
- Department
of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
- Department
of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Ulrich S. Schubert
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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558
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Nayal A, Kumar A, Chhatra RK, Pandey PS. Dual colorimetric sensing of mercury and iodide ions by steroidal 1,2,3-triazole-stabilized silver nanoparticles. RSC Adv 2014. [DOI: 10.1039/c4ra08080g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bile acid-based 1,2,3-triazole ligands have been synthesized, which show excellent ability to stabilize silver nanoparticles. These AgNPs have been found to exhibit highly selective dual colorimetric sensing of Hg2+ and I− ions.
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Affiliation(s)
- Aradhana Nayal
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi, India
| | - Anjul Kumar
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi, India
| | - Rajesh K. Chhatra
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi, India
| | - Pramod S. Pandey
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi, India
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559
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Sureshbabu B, Ramkumar V, Sankararaman S. Facile base-free in situ generation and palladation of mesoionic and normal N-heterocyclic carbenes at ambient conditions. Dalton Trans 2014; 43:10710-2. [DOI: 10.1039/c4dt01112k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of normal and mesoionic N-heterocyclic carbene Pd(ii) complexes in near quantitative yields from the corresponding NHC precursor salts under base free and ambient conditions is reported.
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Affiliation(s)
- Bemineni Sureshbabu
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai 600036, India
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560
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Ali A, Corrêa AG, Alves D, Zukerman-Schpector J, Westermann B, Ferreira MAB, Paixão MW. An efficient one-pot strategy for the highly regioselective metal-free synthesis of 1,4-disubstituted-1,2,3-triazoles. Chem Commun (Camb) 2014; 50:11926-9. [DOI: 10.1039/c4cc04678a] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A simple and efficient metal-free methodology for the regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles by applying a novel inverse electron-demand-1,3-dipolar cycloaddition approach has been developed.
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Affiliation(s)
- Akbar Ali
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Arlene G. Corrêa
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Diego Alves
- Department of Chemistry
- Universidade Federal de Pelotas (UFPel)
- Pelotas, Brazil
| | | | - Bernhard Westermann
- Department of Bioorganic Chemistry
- Leibniz-Institute of Plant Biochemistry
- Halle, Germany
| | - Marco A. B. Ferreira
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
| | - Márcio W. Paixão
- Department of Chemistry
- Universidade Federal de São Carlos (UFSCar)
- São Carlos, Brazil
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