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Penasa R, Pandey AK, Wurst K, Rancan M, Armelao L, Licini G, Zonta C. Ion-Pairing Stereodynamic Probes for Circular Dichroism Chiral Sensing of Amines. Inorg Chem 2024. [PMID: 39250823 DOI: 10.1021/acs.inorgchem.4c02531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
Tris(2-pyridylmethyl)amine (TPMA) and tris(2-phenolmethyl)amine (TPA) metal complexes have been extensively used for catalysis and molecular recognition applications. In particular, due to their ability to form stereodynamic complexes through the helical arrangement of the ligand around the metal in a propeller shape, chiroptical sensing has been extensively investigated. In particular, the capability of the analyte, usually a Lewis base, to bind the metal complex has been the predominant recognition motif. Herein, we report the synthesis and application of a zinc TPA-based stereodynamic probe for the sensing of chiral amines and amino-alcohols in which an ion-pair interaction between the anionic metal complexes and the ammonium ions is responsible for the recognition.
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Affiliation(s)
- Roberto Penasa
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Anjani Kumar Pandey
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Klaus Wurst
- Department of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A6020 Innsbruck, Austria
| | - Marzio Rancan
- Institute of Condensed Matter Chemistry and Technologies for Energy (ICMATE) National Research Council (CNR) c/o Department of Chemical Sciences (DiSC) University of Padova, Via F. Marzolo 1, 35131 Padova, Italy
| | - Lidia Armelao
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
- Department of Chemical Sciences and Materials Technologies (DSCTM), National Research Council (CNR), Piazzale A. Moro 7, 00185 Roma, Italy
| | - Giulia Licini
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
- CIRCC Interuniversity Consortium Chemical Reactivity and Catalysis, Via Celso Ulpiani 27, 70126 Bari, Italy
| | - Cristiano Zonta
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
- CIRCC Interuniversity Consortium Chemical Reactivity and Catalysis, Via Celso Ulpiani 27, 70126 Bari, Italy
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2
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Jeong SY, Kim J, Lee E, Son KS. Ring-Opening Copolymerization Using a Chromium Complex with a Readily Available Aminotriphenolate Ligand. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Seung Yeon Jeong
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jaelim Kim
- Department of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
| | - Eunsung Lee
- Department of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
| | - Kyung-sun Son
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
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3
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Carmo dos Santos NA, Badetti E, Begato F, Wurst K, Licini G, Zonta C. Mixed Multimetallic
tris
(2‐pyridylmethyl)amine Based Complexes: Synthesis and Chiroptical Properties. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100392] [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)
| | - Elena Badetti
- Department of Chemical Sciences University of Padova Via F. Marzolo 1 35131 Padova Italy
| | - Federico Begato
- Department of Chemical Sciences University of Padova Via F. Marzolo 1 35131 Padova Italy
| | - Klaus Wurst
- Institute of General, Inorganic and Theoretical Chemistry University of Innsbruck 6020 Innsbruck Austria
| | - Giulia Licini
- Department of Chemical Sciences University of Padova Via F. Marzolo 1 35131 Padova Italy
| | - Cristiano Zonta
- Department of Chemical Sciences University of Padova Via F. Marzolo 1 35131 Padova Italy
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4
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Badetti E, Lloveras V, Amadio E, Di Lorenzo R, Olivares-Marín M, Tesio AY, Zhang S, Pan F, Rissanen K, Veciana J, Tonti D, Vidal-Gancedo J, Zonta C, Licini G. Organic Polyradicals as Redox Mediators: Effect of Intramolecular Radical Interactions on Their Efficiency. ACS APPLIED MATERIALS & INTERFACES 2020; 12:45968-45975. [PMID: 32930562 PMCID: PMC8011802 DOI: 10.1021/acsami.0c09386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The spin-spin interactions between unpaired electrons in organic (poly)radicals, especially nitroxides, are largely investigated and are of crucial importance for their applications in areas such as organic magnetism, molecular charge transfer, or multiple spin labeling in structural biology. Recently, 2,2,6,6-tetramethylpiperidinyloxyl and polymers functionalized with nitroxides have been described as successful redox mediators in several electrochemical applications; however, the study of spin-spin interaction effect in such an area is absent. This communication reports the preparation of a novel family of discrete polynitroxide molecules, with the same number of radical units but different arrangements to study the effect of intramolecular spin-spin interactions on their electrochemical potential and their use as oxidation redox mediators in a Li-oxygen battery. We find that the intensity of interactions, as measured by the d1/d electron paramagnetic resonance parameter, progressively lowers the reduction potential. This allows us to tune the charging potential of the battery, optimizing its energy efficiency.
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Affiliation(s)
- Elena Badetti
- Department of Chemical Sciences and CIRCC Padova Unit, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Vega Lloveras
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), E-08193 Barcelona, Spain
| | - Emanuele Amadio
- Department of Chemical Sciences and CIRCC Padova Unit, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Rosalia Di Lorenzo
- Department of Chemical Sciences and CIRCC Padova Unit, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Mara Olivares-Marín
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
- Department of Mechanical, Energy and Materials Engineering, University Centre of Mérida, University of Extremadura, Avda. Santa Teresa de Jornet, 38, 06800 Mérida, Spain
| | - Alvaro Y Tesio
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
- Centro de Investigación y Desarrollo en Materiales Avanzados y Almacenamiento de Energía de Jujuy (CIDMEJu), Centro de Desarrollo Tecnológico General Manuel Savio, Av. Martijena S/N, Palpalá Y 4612, Jujuy, Argentina
| | - Songbai Zhang
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
| | - Fangfang Pan
- Department of Chemistry, University of Jyvaskyla, P. O. Box 35, 40014 Jyväskylä, Finland
| | - Kari Rissanen
- Department of Chemistry, University of Jyvaskyla, P. O. Box 35, 40014 Jyväskylä, Finland
| | - Jaume Veciana
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), E-08193 Barcelona, Spain
| | - Dino Tonti
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
| | - Jose Vidal-Gancedo
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra, E-08193 Cerdanyola del Vallès, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), E-08193 Barcelona, Spain
| | - Cristiano Zonta
- Department of Chemical Sciences and CIRCC Padova Unit, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Giulia Licini
- Department of Chemical Sciences and CIRCC Padova Unit, University of Padova, Via Marzolo 1, 35131 Padova, Italy
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Scaramuzzo FA, Badetti E, Licini G, Zonta C. Extending substrate sensing capabilities of zinc tris(2‐pyridylmethyl)amine‐based stereodynamic probe. Chirality 2019; 31:375-383. [DOI: 10.1002/chir.23064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 01/16/2023]
Affiliation(s)
| | - Elena Badetti
- Dipartimento di Scienze ChimicheUniversità degli Studi di Padova Padova Italy
| | - Giulia Licini
- Dipartimento di Scienze ChimicheUniversità degli Studi di Padova Padova Italy
| | - Cristiano Zonta
- Dipartimento di Scienze ChimicheUniversità degli Studi di Padova Padova Italy
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Bae DY, Park GS, Ko N, Son KS, Lee E. First-row early transition metal complexes with a highly sterically demanding triisopropylphenyl amino triphenolate ligand: synthesis and applications. Dalton Trans 2019; 48:9617-9624. [DOI: 10.1039/c9dt00456d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A highly sterically demanding amino triphenolate ligand was successfully synthesized, and early transition metal complexes (Ti, V, Cr, and Mn) supported by the ligand were also obtained and fully characterized.
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Affiliation(s)
- Dae Young Bae
- Department of Chemistry
- Pohang University of Science and Technology
- 37673 Pohang
- Republic of Korea
- Center for Self-assembly and complexity
| | - Gyeong Su Park
- Department of Chemistry
- Chungnam National University
- 34134 Daejeon
- Republic of Korea
| | - Nakeun Ko
- Department of Chemistry
- Pohang University of Science and Technology
- 37673 Pohang
- Republic of Korea
| | - Kyung-sun Son
- Department of Chemistry
- Chungnam National University
- 34134 Daejeon
- Republic of Korea
| | - Eunsung Lee
- Department of Chemistry
- Pohang University of Science and Technology
- 37673 Pohang
- Republic of Korea
- Center for Self-assembly and complexity
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Cosquer N, Lefebvre E, Douziech B, Houille S, Michaud F, Gómez-García CJ, Conan F. Nickel precursors based on diamagnetic and paramagnetic di(imine)pyridine ligands for magnetic materials: Synthesis, X-ray structures and magnetic studies. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.04.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Zardi P, Wurst K, Licini G, Zonta C. Concentration-Independent Stereodynamic g-Probe for Chiroptical Enantiomeric Excess Determination. J Am Chem Soc 2017; 139:15616-15619. [PMID: 29039937 DOI: 10.1021/jacs.7b09469] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Enantiomeric excess (ee) determination is crucial in many aspects of science, from synthesis to materials. Within this subject, coupling molecular sensors with chiroptical techniques is a straightforward approach to the stereochemical analysis of chiral molecules, especially in terms of process immediacy and labor. Stereodynamic probes typically consist of racemic mixtures of rapidly interconverting enantiomeric conformers able to recognize a chiral analyte and greatly amplify its chiroptical readout. A great number of sensors have been developed, but their activity is generally restricted to one or a few classes of chemicals, and the analysis outcome relies on precise knowledge of the probe and analyte concentrations. This aspect in particular limits the potential practical applications. Here we report an oxo-vanadium(V) aminotriphenolate complex that was found to act as a concentration-independent stereodynamic sensor for a wide range of compounds. The bare complex is CD-silent, but coordination of an enantioenriched substrate immediately gives rise to intense Cotton effects in the visible region. Furthermore, a geometry change during the substrate-complex interaction leads to a marked optical response, as witnessed by a strong red-shift of the probe absorption bands, thus allowing the generation of dichroic signals in an "interference-free" area of the spectrum. This peculiarity allows for a linear correlation at high wavelengths between the ee of the analyte and anisotropy g-factor. This parameter derives from the differential circularly polarized light absorption of the sample but is independent of concentration. The newly developed sensor based on a simple coordination process has an unprecedented general character in terms of substrate scope and employment.
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Affiliation(s)
- Paolo Zardi
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova , 35131 Padova, Italy
| | - Klaus Wurst
- Institut für Allgemeine, Anorganische und Theoretische Chemie, University of Innsbruck , Innrain 80/82, A-6020 Innsbruck, Austria
| | - Giulia Licini
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova , 35131 Padova, Italy
| | - Cristiano Zonta
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova , 35131 Padova, Italy
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