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Górecki M, Enamullah M, Islam MA, Islam MK, Höfert SP, Woschko D, Janiak C, Pescitelli G. Synthesis and Characterization of Bis[( R or S)- N-1-(X-C 6H 4)ethyl-2-oxo-1-naphthaldiminato-κ 2N, O]-Λ/Δ-cobalt(II) (X = H, p-CH 3O, p-Br) with Symmetry- and Distance-Dependent Vibrational Circular Dichroism Enhancement and Sign Inversion. Inorg Chem 2021; 60:14116-14131. [PMID: 34477372 PMCID: PMC8456410 DOI: 10.1021/acs.inorgchem.1c01503] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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The enantiopure Schiff
bases (R or S)-N-1-(X-C6H4)ethyl-2-hydroxy-1-naphthaldimine
{X = H [(R or S)-HL1], p-CH3O [(R or S)-HL2],
and p-Br [(R- or S)-HL3]} react with cobalt(II) acetate to give bis[(R or S)-N-1-(X-C6H4)ethyl-2-oxo-1-naphthaldiminato-κ2N,O]-Λ/Δ-cobalt(II) {X = H
[Λ/Δ-Co-(R or S)-L1], p-CH3O [Λ/Δ-Co-(R or S)-L2], and p-Br [Λ/Δ-Co-(R or S)-L3]} (1–3), respectively. Induced Λ and Δ chirality originates
at the metal center of the C2-symmetric
molecule in pseudotetrahedral geometry. Differential scanning calorimetry
analyses explored the thermal stability of the complexes, which undergo
reversible phase transformation from crystalline solid to isotropic
liquid phase for 1 and 3 but irreversible
phase transformation for 2. Like other cobalt(II) complexes,
compounds 1–3 exhibit a continuous
ensemble of absorption and circular dichroism bands, which span from
the UV to IR region and can be collected into a superspectrum. Infrared
vibrational circular dichroism (IR-VCD) spectra witness the coupling
between Co2+-centered low-lying electronic states and ligand-centered
vibrations. The coupling produces enhanced and almost monosignate
VCD spectra, with both effects being mode-dependent in terms of the A or B symmetry (in the C2 point group) and distance from the Co2+ core. Chiroptical superspectra of naphthaldiminatocobalt(II)
complexes 1−3 exhibit a continuous
ensemble of absorption
and circular dichroism bands from the UV to IR region, including peculiar
and almost monosignate vibrational circular dichroism (VCD) spectra
dominated by the coupling between Co2+-centered low-lying
electronic states and ligand-centered vibrations, which depend on
the normal-mode symmetry and distance from the Co2+ core
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Affiliation(s)
- Marcin Górecki
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa 56126, Italy.,Institute of Organic Chemistry, Polish Academy of Sciences, Warsaw 01-224, Poland
| | - Mohammed Enamullah
- Department of Chemistry, Jahangirnagar University, Dhaka 1342, Bangladesh
| | | | | | - Simon-Patrick Höfert
- Institute of Inorganic Chemistry and Structural Chemistry, Heinrich-Heine-University of Düsseldorf, Düsseldorf 40225, Germany
| | - Dennis Woschko
- Institute of Inorganic Chemistry and Structural Chemistry, Heinrich-Heine-University of Düsseldorf, Düsseldorf 40225, Germany
| | - Christoph Janiak
- Institute of Inorganic Chemistry and Structural Chemistry, Heinrich-Heine-University of Düsseldorf, Düsseldorf 40225, Germany
| | - Gennaro Pescitelli
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa 56126, Italy
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2
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Sato H. A new horizon for vibrational circular dichroism spectroscopy: a challenge for supramolecular chirality. Phys Chem Chem Phys 2020; 22:7671-7679. [DOI: 10.1039/d0cp00713g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The development of the solid state and time-step VCD methods opened a new horizon to reveal the mechanism of chirality amplification from microscopic to supramolecular scales.
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Affiliation(s)
- Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
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3
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Sato H, Takimoto K, Yoshida J, Yamagishi A. Vibrational circular dichroism towards asymmetric catalysis: chiral induction in substrates coordinated with copper( ii) ions. Phys Chem Chem Phys 2020; 22:24393-24398. [DOI: 10.1039/d0cp04827e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The VCD method was applied for searching the origin of chirality selection in the asymmetric catalysis by Cu(ii) complexes. When 1-phenyl-1,3-butanedionato was coordinated, it was transformed to a twisted chiral form under the steric control.
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Affiliation(s)
- Hisako Sato
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Kazuyoshi Takimoto
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Jun Yoshida
- Department of Chemistry
- Kitasato University
- Sagamihara 252-0329
- Japan
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4
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Al-Shboul TMA, Ziemann S, Görls H, Krieck S, Westerhausen M. Substituted 2,2′-Bis(2-oxidobenzylideneamino)-4,4′-dimethyl-1,1′-biphenyl Complexes of Zinc. Z Anorg Allg Chem 2019. [DOI: 10.1002/zaac.201800404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tareq M. A. Al-Shboul
- Department of Chemistry and Chemical Technology; Faculty of Science; Tafila Technical University (TTU); 66110 Tafila Jordan
| | - Steffen Ziemann
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University Jena (FSU); Humboldtstraße 8 07743 Jena Germany
| | - Helmar Görls
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University Jena (FSU); Humboldtstraße 8 07743 Jena Germany
| | - Sven Krieck
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University Jena (FSU); Humboldtstraße 8 07743 Jena Germany
| | - Matthias Westerhausen
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University Jena (FSU); Humboldtstraße 8 07743 Jena Germany
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5
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Goto Y, Watanabe Y, Noboriguchi A, Yoshida J, Mori S, Sato H. Chiral tectonics toward square planar tetranuclear Pd(ii) complexes: propagation of axial chirality through a long molecular axis. Dalton Trans 2019; 48:10138-10144. [DOI: 10.1039/c9dt01913h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetranuclear Pd(ii)complexes were synthesized according to the molecular tectonics approach. A focus was how the elongation of a molecular axis affected the chiro-optical properties of a molecule with axial chirality.
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Affiliation(s)
- Yutaro Goto
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Yutaka Watanabe
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Aoki Noboriguchi
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Jun Yoshida
- Department of Chemistry
- Kitasato University
- Sagamihara
- Japan
| | - Shigeki Mori
- Advanced Research Support Center
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
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6
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Sato H, Tamura K, Takimoto K, Yamagishi A. Solid state vibrational circular dichroism towards molecular recognition: chiral metal complexes intercalated in a clay mineral. Phys Chem Chem Phys 2018; 20:3141-3147. [DOI: 10.1039/c7cp05114j] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The solid state VCD method revealed chirality effects on the intermolecular interaction between Δ- or Λ-[Ru(phen)3]2+ and R or S-BINOL intercalated in a montmorillonite clay.
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Affiliation(s)
- Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Kenji Tamura
- National Institute for Materials Science
- Tsukuba 305-0044
- Japan
| | - Kazuyoshi Takimoto
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
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7
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Sato H, Takimoto K, Mori H, Yamagishi A. Stereoselective interactions as manifested by vibrational circular dichroism spectra: the interplay between chiral metal complexes co-adsorbed in a montmorillonite clay. Phys Chem Chem Phys 2018; 20:25421-25427. [DOI: 10.1039/c8cp04753g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solid state VCD is applied for intercalated metal complexes.
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Affiliation(s)
- Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Kazuyoshi Takimoto
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Hirotoshi Mori
- Faculty of Science
- Department of Chemistry
- Ochanomizu University
- Tokyo 112-8610
- Japan
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8
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Takimoto K, Watanabe Y, Mori S, Sato H. Vibrational circular dichroism and single crystal X-Ray diffraction analyses of [Ir(bzq)2(phen)]+ (bzq = benzo[h]quinoline; phen = 1,10-phenanthroline): absolute configuration and role of CH–π interaction in molecular packing. Dalton Trans 2017; 46:4397-4402. [DOI: 10.1039/c7dt00606c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The absolute configuration of a cationic iridium(iii) complex was determined in solution and solid by vibrational circular dichroism and X-ray diffraction analyses.
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Affiliation(s)
- Kazuyoshi Takimoto
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Yutaka Watanabe
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Shigeki Mori
- Advanced Research Support Center
- Ehime University
- Matsuyama 790-8577
- Japan
| | - Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
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9
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Scherrer A, Vuilleumier R, Sebastiani D. Vibrational circular dichroism from ab initio molecular dynamics and nuclear velocity perturbation theory in the liquid phase. J Chem Phys 2016; 145:084101. [DOI: 10.1063/1.4960653] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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10
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Merten C, Pollok CH, Liao S, List B. Stereochemische Kommunikation innerhalb eines chiralen Ionenpaares. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501271] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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11
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Merten C, Pollok CH, Liao S, List B. Stereochemical Communication within a Chiral Ion Pair Catalyst. Angew Chem Int Ed Engl 2015; 54:8841-5. [DOI: 10.1002/anie.201501271] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 03/30/2015] [Indexed: 11/06/2022]
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12
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Dezhahang Z, Poopari MR, Cheramy J, Xu Y. Conservation of Helicity in a Chiral Pyrrol-2-yl Schiff-Base Ligand and Its Transition Metal Complexes. Inorg Chem 2015; 54:4539-49. [DOI: 10.1021/acs.inorgchem.5b00386] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zahra Dezhahang
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | | | - Joseph Cheramy
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Yunjie Xu
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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13
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Krivosudský L, Schwendt P, Gyepes R, Žák Z. X-ray structure analysis, electronic and vibrational circular dichroism of chiral-at-metal dioxidovanadium(V) complexes with amino acids derived Schiff base ligands. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.06.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Merten C, McDonald R, Xu Y. Strong Solvent-Dependent Preference of Δ and Λ Stereoisomers of a Tris(diamine)nickel(II) Complex Revealed by Vibrational Circular Dichroism Spectroscopy. Inorg Chem 2014; 53:3177-82. [DOI: 10.1021/ic4031766] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Christian Merten
- Department
of Chemistry, University of Alberta, Edmonton T6G2G2, Canada
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, 44801 Bochum, Germany
| | - Robert McDonald
- Department
of Chemistry, University of Alberta, Edmonton T6G2G2, Canada
| | - Yunjie Xu
- Department
of Chemistry, University of Alberta, Edmonton T6G2G2, Canada
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15
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Szilvágyi G, Brém B, Báti G, Tölgyesi L, Hollósi M, Vass E. Dirhodium complexes: determination of absolute configuration by the exciton chirality method using VCD spectroscopy. Dalton Trans 2013; 42:13137-44. [DOI: 10.1039/c3dt51567b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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