japanese

Publications (Dr. Suzuki)

Original papers

  1. Synthesis and Structures of Oxygen-Bridged Triphenylamine in Neutral, Radical Cation, and Dication States
    S. Suzuki, T. Ezaki, M. Kuratsu, A. Nagata, D. Shiomi, K. Sato, T. Takui, K. Okada, M. Kozaki
    Asian J. Org. Chem., in press. (DOI: 10.1002/ajoc.202500264) 
  2. Effects of Chirality and Counter Anions on the Structures and Solid-state Properties of Radical Cation Salts of Benzo[b]phenoxazine-based Double Heterohelicene
    D. Sakamaki, H. Sekiguchi, S. Suzuki, H. Fujiwara
    Chem. Eur. J., in press. (DOI: 10.1002/chem.202500942)
  3. Spin and Structural Dynamics of Persistent π-Mer and π-Dimer of a Tethered S,C,C-Bridged Triphenylamine Dimer
    H. Morishita, K. Sambe, S. Dekura, H. Sugishita, C. Kitamura, T. Matsumoto, T. Takeda, R. Uesugi, T. Ishida, T. Akutagawa, S. Suzuki, S.-I. Kato
    Chem. Eur. J., in press. (DOI: 10.1002/chem.202500576)
  4. Excitation-Dependent Luminescent Properties with Wide Range of Color Changes Using a Liquescent Cationic Gold(I) Complex
    S. Suzuki, D. Hishikawa, N. Ando, S. Kawamorita, T. Naota
    ChemPhotoChem, in press. (DOI: 10.1002/cptc.202500035)
  5. Solid–Liquid Phase Transition-Induced Magnetic Property Changes in Tetrakis(ethylthio)tetrathiafulvalene Radical Cation Salt
    T. Sakai, S. Kawamorita, T. Naota, S. Suzuki
    Chemistry, 7, 32 (2025). (DOI: 10.3390/chemistry7020032)
  6. Paramagnetic Monomer and Diamagnetic Polymer of 5-(1-Adamantyl)-1,3-phenylene Bis(tert-butyl Nitroxide)
    S. Ueno, S.-i. Takeshi, S. Suzuki, T. Ishida
    Chem. Lett., 54, upae239 (2025).  (DOI: 10.1093/chemle/upae239)
  7. Boron-bridged bis(tetrathiafulvalene) zwitterionic neutral radical conductors: substituent effects on intra- and intermolecular electronic interactions and physical properties
    K. Sonoda, S. Shimokawa, S. Suzuki, T. Kusamoto, A. Ueda
    Bull Chem. Soc. Jpn.,  uoae107 (2024). (DOI: 10.1093/bulcsj/uoae107)
  8. Cation‐Stacking Approach Enabling Interconversion between Bis(xanthylium) and its Reduced Species
    M. Kikuchi, T. Tadokoro, T. Tachibana, S. Suzuki, T. Suzuki, Y. Ishigaki
    Chem. Eur. J., 30, e202401683 (2024). (DOI: 10.1002/chem.202401683)
  9. Thermal Equilibrium Between Quinoid/Biradical Forms Enhancing Electrochemical Amphotericity
    Y. Ishigaki, S.-I. Mizuno, K. Sugawara, T. Hashimoto, S. Suzuki, T. Suzuki
    Chem. Eur. J., 30, e202400916 (2024). (DOI: 10.1002/chem.202400916)
  10. Magnetic properties of N-nonylphenothiazine radical cations depending on counter anions
    S. A. Naing, T. Naota, D. Shiomi, K. Matsuda, K. Sato, S. Suzuki
    Chem. Lett. 2024, 53, upae135. (DOI: 10.1093/chemle/upae135)).
    Selected as Editor’s Choice
  11. Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion
    R. Shu, T. Naota, S. Suzuki
    Small, 20, 2311557 (2024).  (Open Access) (DOI: 10.1002/smll.202311557).
  12. Temperature-dependent Modulation of Short-wave-infrared Light Transparency Based on Associated Structures of a Liquescent Nickel(III) Complex
    S. Suzuki, R. Shu, D. Shiomi, T. Naota
    Small, 20 2305668 (2024). (DOI: 10.1002/smll.202305668).
  13. Vis-NIR-Electrochromic Interconversion of Dithienylmethylium-type Cyanine Dyes with a σ-Bonded Dimer or Isolable Neutral Radical
    S.-G. Chong, S. Suzuki, T. Suzuki, Y. Ishigaki
    Bull. Chem. Soc. Jpn.,96, 1144 (2023). (DOI: 10.1246/bcsj.20230169)
  14. On-Demand Control of Short-Wave Infrared Light Transparency Based on Stimuli-Responsive Association of Tetrathiafulvalene Radical Cation
    S. Suzuki, T. Sakai, S. Takagi, T. Naota
    Angew. Chem., Int. Ed., 62, e202308570 (2023). (DOI: 10.1002/anie.202308570)
  15. A double-helical S,C-bridged tetraphenyl-para-phenylenediamine and its persistent radical cation
    K. Harada, C. Hasegawa, T. Matsumoto, H. Sugishita, C. Kitamura, S. Higashibayashi, M. Hasegawa, S. Suzuki, S.-i. Kato
    Chem. Commun., 59, 1301 (2023). (DOI: 10.1039/D2CC06144A)
  16. Dibenzotropylium-Capped Orthogonal Geometry Enabling Isolation and Examination of a Series of Hydrocarbons with Multiple 14π-Aromatic Units
    Y. Hayashi, S. Suzuki, T. Suzuki, Y. Ishigaki
    J. Am. Chem. Soc., 145, 2596 (2023). (DOI: 10.1021/jacs.2c12574)
  17. Partially Oxidized Purely Organic Zwitterionic Neutral Radical Conductor: Multi-step Phase Transitions and Crossover Caused by Intra- and Intermolecular Electronic Interactions
    T. Suemune, K. Sonoda, S. Suzuki, H. Sato, T. Kusamoto, A. Ueda
    J. Am. Chem. Soc., 144, 21980 (2022). (DOI: 10.1021/jacs.2c08813)
  18. Medium Diradical Character, Small Hole and Electron Reorganization Energies and Ambipolar Transistors in Difluorenoheteroles
    S. Mori, S. M. Quintero, N. Tabaka, R.Kishi, R. G. Núñez, A. Harbuzaru, R. P. Ortiz, J. Marín-Beloqui, S. Suzuki, C. Kitamura, C. J. Gómez-García, Y. Dai, F. Negri, M. Nakano, S.-i. Kato, J. Casado,
    Angew. Chem., Int. Ed., 61, e202206680 (2022). (DOI: 10.1002/anie.202206680)
  19. Double-σ-Bonded Close-Shell Dimers and Peroxy-Linked Open- Shell Dimer Derived from a C3 Symmetric Trioxophenalenyl Neutral Diradical
    T. Murata, K. Yoshida, S. Suzuki, Y. Ueda, S. Nishida, J. Kawai, K. Fukui, K. Sato, T. Takui, K. Nakasuji, Y. Morita
    Chem. Eur. J., 28, e202201426 (2022). (DOI: 10.1002/chem.202201426)
  20. Coordination Amphiphile: Design of Planar-Coordinated Platinum Complexes for Monolayer Formation at an Air-Water Interface Based on Ligand Characteristics and Molecular Topology
    J. Adachi, M. Naito, S. Sugiura, N. H.-T. Le, S. Nishimura, S. Huang, S. Suzuki, S. Kawamorita, N. Komiya, J. P. Hill, K. Ariga, T. Naota, T. Mori
    Bull. Chem. Soc. Jpn., 95, 889 (2022). (DOI: 10.1246/bcsj.20220086)
  21. Heteroatom-Incorporated Trimethylenemethane: Synthesis and Properties of Triphenylphenylnitroxide-(Nitronyl Nitroxide) Dyad
    T. Kumagai, S. Suzuki, Y. Kanzaki, D. Shiomi, K. Sato, T. Takui, R. Tanaka, K. Okada, M. Kozaki
    Chem. Lett., 51, 458 (2022). (DOI: 10.1246/cl.220021)
  22. A Molecule Having 13 Unpaired Electrons: Magnetic Property of a Gadolinium(III) Complex Coordinated with Six Nitronyl Nitroxide Radicals
    R. Tanimoto, T. Wada, K. Okada, D. Shiomi, K. Sato, T. Takui, S. Suzuki, T. Naota, M. Kozaki
    Inorg. Chem., 61, 3018 (2022). (DOI: 10.1021/acs.inorgchem.1c03764)
  23. Design and Synthesis of a C3 Symmetrical Phenalenyl Derivative with Three Oxo Groups by Regioselective Deoxygenation/Oxygenation
    T. Murata, K. Yoshida, S. Suzuki, A. Ueda, S. Nishida, J. Kawai, K. Fukui, K. Nakasuji, Y. Morita,
    Org. Lett., 24, 1033 (2022). (DOI: 10.1021/acs.orglett.1c04227)
  24. S,C,C- and O,C,C-Bridged Triarylamines and Their Persistent Radical Cations,
    S. Kataoka, S. Suzuki, Y.Shiota, K. Yoshizawa, T. Matsumoto, M. S. Asano, T. Yoshihara, C. Kitamura, S.-i Kato
    J. Org. Chem., 86, 12559 (2021). (DOI: 10.1021/acs.joc.1c00969)
  25. Synthesis, Structures, and Electronic Properties of 2,7-Anthrylene-Based Azacyclophanes Bearing o-, m-, and p-Phenylenediamine Linkers
    T. Iwanaga, T. Komori, H. Sato, S. Suzuki, Y. Yamauchi, Y. Misaki, H. Sato, S. Toyota, S.
    J. Org. Chem., 86, 11370 (2021). (DOI: 10.1021/acs.joc.1c00856)
  26. Rapid Luminescent Enhancement Triggered by One-shot Needlestick-stimulus Using a Liquescent Gold(I) Salt
    D. Zhang, S. Suzuki, T. Naota
    Angew. Chem., Int. Ed., 60, 19701 (2021) (DOI: 10.1002/anie.202107097)
  27. Aurophilic Interactions in Multi-radical Species: Electronic-Spin and Redox Properties of Bis- and Tris-[(Nitronyl Nitroxide)-Gold(I)] Complexes with Phosphine-Ligand Scaffolds
    S. Kira, T. Miyamae, K. Yoshida, Y. Kanzaki, K. Sugisaki, D. Shiomi, K. Sato, T. Takui, S. Suzuki, M. Kozaki, K. Okada
    Chem. Eur. J., 27, 11450 (2021). (DOI: 10.1002/chem.202101483)
  28. Hysteretic Control of Near-infrared Transparency Using a Liquescent Radical Cation
    S. Suzuki, D. Yamaguchi, Y. Uchida, T. Naota
    Angew. Chem., Int. Ed., 60, 8284 (2021) (DOI: 10.1002/anie.202016930)
  29. Selective synthesis of 1-halonaphthalenes by copper-catalyzed benzannulation
    R. Umeda, R. Ueda, T. Tanaka, A. Hayashi, M. Ikeshita, S. Suzuki, T. Naota, Y. Nishiyama Tetrahedron, 79, 131872 (2021). (DOI: 10.1016/j.tet.2020.131872)
  30. Syntheses and Properties of (Nitronyl nitroxide)-substituted Triphenylamine ortho-Bridged by Two Oxygen and Sulfur Atoms
    N. Yokoyama, N. Tanaka, N. Fujimoto, R. Tanaka, S. Suzuki, D. Shiomi. K. Sato, T. Takui, M. Kozaki, K. Okada, K.
    Chem. Asian J., 16, 72 (2021). (DOI: 10.1002/asia.202001227)
  31. Magnetic Properties of Metal Clusters Coordinated with (Nitronyl nitroxide)-substituted Amidinate Ligands
    R. Tanimoto, S. Suzuki, M. Kozaki, Y. Kanzaki, D. *Shiomi. K. Sato, T. Takui, R. Tanaka, K. Okada
    ChemistrySelect, 5, 11170 (2020). (DOI: 10.1002/slct.202002927)
  32. Condensed Phenoxazine Dimer and Its Radical Cation
    T. Miyamae, M. Haraguchi, Y. Tachi, S. Suzuki, M. Kozaki, K. Okada,
    Org. Lett., 22, 6790 (2020). (DOI: 10.1021/acs.orglett.0c02305)
  33. Open-shell singlet diradicaloid difluoreno[4,3-b:3′,4′-d]furan and its radical cation and dianion
    S. Mori, M. Akita, S. Suzuki, M. S.Asano, M. Murata, T. Akiyama, T. Mastumoto, C. Kitamura, S.-i. Kato
    Chem. Commun., 56, 5881 (2020). (DOI: 10.1039/d0cc01638a)
  34. Switching of Redox Properties Triggered by Thermal Equilibrium between Closed-shell Folded and Open-shell Twisted Species
    Y. Ishigaki, T. Hashimoto, K. Sugawara, S. Suzuki, T. Suzuki
    Angew. Chem., Int. Ed., 59, 6581 (2020). (DOI: 10.1002/anie.201916089)
  35. Redox-Induced Modulation of Exchange Interaction in a High-Spin-Ground-State Diradical/Triradical System
    A. Nagata, S. Hiraoka, S. Suzuki, M. Kozaki, D. Shiomi, K. Sato, T. Takui, R. Tanaka, K. Okada
    Chem. Eur. J., 26, 3166 (2020). (DOI: 10.1002/chem.201905465)
  36. Inhibition of Ligand Binding Ability of Three Porphyrins by an Organic Effector
    T. Nishimura, Y. Saeki, Y. Tachi, S. Suzuki, K. Okada, M. Kozaki
    Chem. Asian J., 15, 594 (2020). (DOI: 10.1002/asia.201901711)
  37. Environment Benign Strategy for Arylation of Nitronyl Nitroxide Using a Non-Transition Metal Nucleophile
    S. Suzuki, F. Nakamura, T. Naota
    Org. Lett., 22, 1350 (2020). (DOI: 10.1021/acs.orglett.9b04655)
  38. Synthesis, Structures, and Properties of Neutral and Radical Cationic S,C,C-Bridged Triphenylamines
    S.-i. Kato, T. Matuoka, S. Suzuki, M. S. Asano, T. Yamashita, S. Tobita, T. Mastumoto, C. Kitamura
    Org. Lett., 22, 734 (2020). (DOI: 10.1021/acs.orglett.9b04575)
  39. Spin-dependent electron transfer dynamics in a platinum-complex–donor–acceptor triad studied by transient-absorption detected magnetic field effect
    T. Miura, K. Miyaji, T. Horikoshi, S. Suzuki, M. Kozaki, K. Okada, T. Ikoma
    J. Chem. Phys., 151, 234306 (2019). (DOI: 10.1063/1.5127940)
  40. Structures and Electronic Properties of Diisopropylaminoborane Substituted with Highly Electron-Rich p-Conjugated Systems and Their Oxidized States
    K. Yoshida, S. Suzuki, M. Kozaki, K. Okada
    Bull. Chem. Soc. Jpn., 92, 1902 (2019). (DOI: 10.1246/bcsj.20190199)
  41. Strategy for Stimuli-Induced Spin Control Using a Liquescent Radical Cation
    S. Suzuki, R. Maya, Y. Uchida, T. Naota
    ACS Omega, 4, 10031 (2019). (DOI: 10.1021/acsomega.9b00982)
  42. Triplet Diradical Cation Salts Consisting of Phenothiazine Radical Cation and Nitronyl Nitroxide,
    T. Tahara, S. Suzuki, M. Kozaki, D. Shiomi, K, Sugisaki, K. Sato, T, Takui, Y, Miyake, Y, Hosokoshi, H. Nojiri, K. Okada,
    Chem. Eur. J., 25, 7201 (2019). (DOI: 10.1002/chem.201900513)
  43. Synthesis and Magnetic Properties of (Pyrrolidin-1-oxyl)–(Nitronyl Nitroxide)/(Iminonitroxide)-Dyads
    H. Tsujimoto, S. Suzuki, M. Kozaki, D. Shiomi, K. Sato, T. Takui, K. Okada,
    Chem. Asian J., 14, 1801 (2019). (DOI: 10.1002/asia.201801615)
  44. Facile and practical synthesis of p-extended oxepins by benzannulation and intramolecular cyclization
    R. Umeda, Y. Shimizu, Y. Ida, M. Ikeshita, S. Suzuki, T. Naota, Y. Nishiyama
    Tetrahedron Lett., 60, 183 (2019). (DOI: 10.1016/j.tetlet.2018.12.008)
  45. Preparation and Properties of a Polycyclic p-Quinodimethane with Two Oxygen Bridges and its Radical Cation in Comparison with the Isomeric o-Quinodimethane
    C. Sato, S. Suzuki, K. Okada, M. Kozaki
    Chem. Asian J., 13, 3729 (2018). (DOI: 10.1002/asia.201801269)
  46. Radical Cation p-Dimers of Conjugated Oligomers as Molecular Wires: An Analysis Based on Nitronyl Nitroxide Spin Labels
    T. Nishinaga, Y. Kanzaki, D. Shiomi, K. Matsuda, S. Suzuki, K. Okada
    Chem. Eur. J., 24, 11717 (2018). (DOI: 10.1002/asia.201801269)
  47. Ligand-Binding Ability of a Porphyrin Core in a Dendrimer with Rigid Branched Terminal Components
    M. Akisada, R. Kimura, Y. Tachi, S. Suzuki, K. Okada, M. Kozaki
    J. Org. Chem., 83, 9631 (2018). (DOI: 10.1021/acs.joc.8b00932)
  48. Chemical Stability of the 5-Mesityl-5”-(nitronyl nitroxide)-2,2′:5′,2”ter(3,4-ethylenedioxythiophene) Radical Cation
    T. Tahara, S. Suzuki, M. Kozaki, T. Nishinaga, K. Okada
    Bull. Chem. Soc. Jpn., 91, 1193 (2018). (DOI: 10.1246/bcsj.20180078)
  49. Radical Metalloids with N-Heterocyclic Carbene and Phenanthroline Ligands: Synthesis, Properties, and Cross-Coupling Reaction of [(Nitronyl Nitroxide)-2-ido]metal Complexes with Aryl Halides
    K. Yamada, X. Zhang, R. Tanimoto, S. Suzuki, M. Kozaki, R. Tanaka, K. Okada
    Bull. Chem. Soc. Jpn., 91, 1150 (2018). (DOI: 10.1246/bcsj.20180033)
  50. A direct Synthetic Method for (Nitronyl Nitroxide)-substituted p-Electronic Compounds by Palladium-catalyzed Cross-Coupling Reaction with a Zinc Complex
    S. Suzuki, F. Nakamura, T. Naota
    Mater. Chem. Front., 2, 591 (2018). (DOI: 10.1039/C7QM00565B)
  51. Group 11 Metal Complexes Coordinated by (Nitronyl Nitroxide)-2-ide Radical Anion: Facile Oxidation of Stable Radicals Controlled by Metal-Carbon Bonds in Radical-Metalloid
    R. Tanimoto, K. Yamada, S. Suzuki, M. Kozaki, K. Okada
    Eur. J. Inorg. Chem., 1198 (2018). (DOI: 10.1002/ejic.201800038)
  52. Chemical Stimulus-responsive Folding and Unfolding of a Dendrimeric Assembly
    A. Karimata, S. Suzuki, M. Kozaki, K. Okada
    Chem. Asian J., 13, 35 (2018). (DOI: 10.1002/asia.201701487)
  53. Stereoelectronic control of oxidation potentials of 3,7-bis(diarylamino)phenothiazines
    R. Kimura, S. Suzuki, K. Okada, M. Kozaki
    RSC Adv., 7, 56144 (2017). (DOI: 10.1039/c7ra12600j)
  54. Synthesis and Magnetic Properties of Trioxytriphenylamine Dimers in their Di(radical cationic) States
    S. Suzuki, N. Tanaka, M. Kozaki, D. Shiomi, K. Sato, T. Takui, K. Okada
    Chem. Eur. J., 23, 16014 (2017). (DOI: 10.1002/chem.201703220)
  55. (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and -bis(iminonitroxide) and Their Copper Complexes
    M. Haraguchi, E. Tretyakov, N. Gritsan, G. Romanenko, D. Gorbunov, A. Bogomyakov, K. Maryunina, S. Suzuki, M. Kozaki, D. Shiomi, K. Sato, T. Takui, S. Nishihara, K. Inoue, K. Okada
    Chem. Asian J., 12, 2929 (2017). (DOI: 10.1002/asia.201701085)
  56. Trimeric Assembly of Dendritic Light-Harvesting Antenna with Two Kinds of Porphyrin Cores
    R. Kimura, S. Suzuki, K. Okada, M. Kozaki
    J. Org. Chem., 82, 8917 (2017). (DOI: 10.1021/acs.joc.7b01275)
  57. Oxidation State-Dependent Intramolecular Electronic Interaction of Carbazole-Based Azacyclophanes with 9,10-Anthrylene Units,
    T. Iwanaga, T. Yamauchi, S. Toyota, S. Suzuki, K. Okada
    J. Org. Chem., 82, 10699 (2017). (DOI: 10.1021/acs.joc.7b01688)
  58. An efficient synthetic method for organometallic radicals: Structures and properties of gold(I)–(nitronyl nitroxide)-2-ide complexes
    S. Suzuk, S. Kira, M. Kozaki, M. Yamamura,T. Hasegawa, T. Nabeshima, K. Okada
    Dalton Trans., 46, 2653 (2017). (DOI: 10.1039/C6DT04685A)
  59. Magnetic Control of the Charge-Separated State Lifetime Realized by Covalent Attachment of a Platinum Complex
    T. Miura, D. Fujiwara, K. Akiyama, T. Horikoshi, S. Suzuki, M. Kozaki, K. Okada, T. Ikoma
    J. Phys. Chem. Lett., 8, 661 (2017). (DOI: 10.1021/acs.jpclett.6b02887)

Review and Concept

  1. Stimuli-Induced Controls of Magnetic and Photophysical Properties Using Liquescent Open-Shell Ionic Molecular Systems
    S. Suzuki, R. Tanaka, R. Shu, T. Naota
    ChemPlusChem, 89, e202400132 (2024). (Open Access) (DOI: 10.1002/cplu.202400132).
  2. Intriguing Properties and Functionalities of Extremely Stable Radical Cation Species
    S. Suzuki, M. Kozaki, T. Naota
    J. Synth. Chem. Soc. Jpn., 80, 843 (2022). (DOI: 10.5059/yukigoseikyokaishi.80.8430) (in Japanese)
  3. π-System Figuration for Open-shell Molecules Based on Nitronyl Nitroxide
    S. Suzuki, M. Kozaki, K. OkadaJ. Synth. Chem. Soc. Jpn., 75, 955 (2017). (DOI: 10.5059/yukigoseikyokaishi.75.955) (in Japanese)

大阪大学大学院 基礎工学研究科
物質創成専攻 機能物質化学領域

有機合成化学グループ 鷹谷研究室

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The Takaya Group

Division of Chemistry, Dept. of Material Engineering Science
Graduate School of Engineering Science, Osaka University

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