JP

出版物

査読付き学術論文

    2024

  1. Electrochemical radical cation aza-Wacker cyclizations.
    Sota Adachi, Yohei Okada*
    Beilstein Journal of Organic Chemistry
    2024, accepted.
  2. Improved Electrochemical Peptide Synthesis Enabled by Electron-Rich Triaryl Phosphines.
    Shingo Shinjo-Nagahara, Yohei Okada, Goki Hiratsuka, Yoshikazu Kitano, Kazuhiro Chiba*
    Chemistry A European Journal
    2024, accepted.
  3. Understanding adhesion induced by calcium compounds at 900 °C using model particles.
    Tsuyoshi Fujimoto, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Powder Technology
    2024, 444, 120008.
  4. Understanding particle adhesion of sewage sludge incineration ash at high temperatures: effect of physical characteristics.
    Masahiro Ito, Koichiro Tone, Genki Horiguchi, Takami Koseki, Hidehiro Kamiya, Yohei Okada*
    Journal of the Energy Institute
    2024, 115, 101691.
  5. Understanding Flexdispersion: Structure-Function Relationship Studies of Organic Amphiphilic Ligands.
    Tatsuya Sudo, Masahiko Sagawa, Sota Adachi, Yusuke Kato, Yuki Nakanishi, Tatsuya Nakamura, Shohei Yamashita, Hidehiro Kamiya, Yohei Okada*
    Chemistry A European Journal
    2024, 30, e202304324. Highlighted as a Front Cover.
  6. Synthetic electrochemistry for peptides.
    Yohei Okada, Kazuhiro Chiba*
    Current Opinion in Electrochemistry
    2024, 45, 101469.
  7. Phosphorus-Related Ash Chemistry at High Temperatures: Role of Aluminum on Particle Adhesion.
    Genki Horiguchi, Tatsuya Okuizumi, Hidehiro Kamiya, Yohei Okada*
    ACS Sustainable Chemistry & Engineering
    2024, 12, 4655−4661. Highlighted as a Supplementary Cover.
  8. Effect of the bulkiness of alkyl ligands on excited-state dynamics of ZnO nanocrystal.
    Yuto Toyota, Masahiko Sagawa, Shohei Yamashita, Yoshinori Okayasu, Yuki Nagai, Yohei Okada,* Yoichi Kobayashi*
    RSC Advances
    2024, 14, 2796−2803.
  9. Role of Al-Based Additives in Controlling Ash Adhesion.
    Tatsuya Okuizumi, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Energy & Fuels
    2024, 38, 2319–2326.
  10. Peptide coupling using recyclable bicyclic benziodazolone.
    Daigo Uehara, Sota Adachi, Akira Tsubouchi, Yohei Okada, Viktor V. Zhdankin, Akira Yoshimurad, Akio Saito*
    Chemical Communications
    2024, 60, 956−959. Highlighted as a Front Cover.
  11. Surface Coverage Can Control the Dispersibility of TiO2 and ZrO2 Nanoparticles in Hydrophobic Solvents: Comparison of Linear and Branched Ligands.
    Shohei Yamashita, Yukina Ito, Hidehiro Kamiya, Yohei Okada*
    Advanced Powder Technology
    2024, 35, 104277.
  12. Redox Tag-Guided Radical Cation Diels-Alder Reactions: Use of Enol Ethers as Dienophiles.
    Haruka Morizumi, Kaii Nakayama, Yoshikazu Kitano, Yohei Okada*
    Synlett
    2024, 35, 362−366. Highlighted as a Front Cover.
  13. 2023

  14. Stereoselective Shono Oxidations: Use of Alkylidene Protective Groups.
    Shinnosuke Akahane, Haruka Morizumi, Yoshikazu Kitano, Yohei Okada*
    Electrochemistry
    2023, 91, 112010.
  15. Flexdispersion: Amphiphilic Phosphonic Acid-Capped Nanoparticles.
    Genki Horiguchi, Atsuko Uesaka, Tatsuya Sudo, Yukina Ito, Hidehiro Kamiya, Yohei Okada*
    Colloids and Surfaces A: Physicochemical and Engineering Aspects
    2023, 676, 132190.
  16. Merger of Rotation Restriction and Symmetrical Push-Pull to Synthesize Single-Benzene Yellow Fluorophores.
    Zimo Wang, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Chemistry A European Journal
    2023, 29, e202301411. Highlighted as a Front Cover.
  17. Arene C-H Amination with N-Heteroarenes by Catalytic DDQ Photocatalysis.
    Kaii Nakayama, Yohei Okada*
    The Journal of Organic Chemistry
    2023, 88, 5913−5922. Highlighted as a Supplementary Cover.
  18. Radical Cation [2 + 2] Cycloadditions Enabled by Surface-Assisted Pseudo-Intramolecular Electron Transfers.
    Sota Adachi, Naoya Maeta, Kaii Nakayama, Zimo Wang, Yasuhiro Hashimoto, Yohei Okada*
    Synthesis
    2023, 55, 3013−3018.
  19. Dispersibility of TiO2 Nanoparticles in Less Polar Solvents: Role of Ligand Tail Structures.
    Tatsuya Sudo, Shohei Yamashita, Natsumi Koike, Hidehiro Kamiya, Yohei Okada*
    Chemistry A European Journal
    2023, 29, e202203608. Highlighted as a Cover Feature.
  20. Anti-barnacle Activities of Isothiocyanates Derived from β-Citronellol and Their Structure–Activity Relationships.
    Aina Tanikawa, Takaya Fujihara, Natsumi Nakajima, Yuka Maeda, Yasuyuki Nogata, Erina Yoshimura, Yohei Okada, Kazuhiro Chiba, Yoshikazu Kitano*
    Chemistry & Biodiversity
    2023, 20, e202200953. Highlighted as a Front Cover.
  21. Stereoselective Production of Imino-D-ribitol and C-Azanucleosides via Electrochemical C–H Functionalization.
    Haruka Morizumi, Kazuhiro Okamoto, Shinnosuke Akahane, Hitoshi Takemae, Mami Oba, Yohei Okada, Yoshikazu Kitano, Tetsuya Mizutani, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2023, 26, e202201046. Selected as a Very Important Paper.
  22. 2022

  23. Photochemical Radical Cation Cycloadditions of Aryl Vinyl Ethers.
    Sota Adachi, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    European Journal of Organic Chemistry
    2022, e202201207.
  24. Mechanistic Understanding of Electrocatalytic Vinylcyclopropane Rearrangement.
    Genki Horiguchi, Yohei Okada*
    European Journal of Organic Chemistry
    2022, e202201022.
  25. Probing Electron Transfer Events in Radical Cation Cycloadditions: Intramolecular vs. Intermolecular Single Electron Transfer.
    Shuhei Tanami, Syed R. Hussaini, Yoshikazu Kitano, Kazuhiro Chiba, Yohei Okada*
    European Journal of Organic Chemistry
    2022, e202201023.
  26. Design of a Photocatalytic [2 + 2] Cycloaddition Reaction Using Redox-Tag Strategy.
    Yasuhiro Hashimoto, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Chemistry A European Journal
    2022, 28, e202202018.
  27. Radical cation Diels-Alder reactions of arylidene cycloalkanes.
    Kaii Nakayama, Hidehiro Kamiya, Yohei Okada*
    Beilstein Journal of Organic Chemistry
    2022, 18, 1100−1106. Highlighted as a Front Cover.
  28. Colloidal Stability of TiO2 Nanoparticles: The Roles of Phosphonate Ligand Length and Solution Temperature.
    Shohei Yamashita, Tatsuya Sudo, Hidehiro Kamiya, Yohei Okada*
    Chemistry A European Journal
    2022, 28, e202201560. Selected as a Hot Paper and Highlighted as a Front Cover.
  29. Particle adhesion induced by calcium carbonate nanoparticles at 900 °C.
    Genki Horiguchi, Tsuyoshi Fujimoto, Kentaro Yoshinaga, Yohei Okada,* Hidehiro Kamiya
    Powder Technology
    2022, 405, 117514.
  30. Controlling Particle Adhesion in High Temperature Combustion using Metal Oxide Nanoparticles.
    Genki Horiguchi, Masahiro Ito, Atsuki Ito, Hidehiro Kamiya, Yohei Okada*
    Fuel
    2022, 321, 124110.
  31. Oxidation of benzyl alcohol using linear paired electrolysis.
    Genki Horiguchi, Hidehiro Kamiya, Kazuhiro Chiba, Yohei Okada*
    Journal of Environmental Chemical Engineering
    2022, 10, 107490.
  32. Shear Strength Testing of Synthetic Ash: Role of Surface vs. Interparticle Adhesive Forces.
    Nanami Aoki, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Industrial & Engineering Chemistry Research
    2022, 61, 3358−3364.
  33. Direct Anodic N-α Hydroxylation: Accessing Versatile Intermediates for Azanucleoside Derivatives.
    Yuma Kurose, Kazuhiro Okamoto, Yohei Okada, Yoshikazu Kitano, Kazuhiro Chiba*
    Asian Journal of Organic Chemistry
    2022, 11, e202100756.
  34. Porous and spherical ethyl cellulose fine particles produced by ternary system-based emulsion castings.
    Hiroshi Takezaki, Takahiko Otsubo, Yuji Echigo, Hidehiro Kamiya, Yohei Okada*
    Powder Technology
    2022, 395, 663–668.
  35. 2021

  36. Role of Phosphorus and Iron in Particle Adhesiveness at High Temperatures Using Synthetic Ashes.
    Genki Horiguchi, Masahiro Ito, Atsuki Ito, Hidehiro Kamiya, Yohei Okada*
    ACS Sustainable Chemistry & Engineering
    2021, 9, 15315−15321. Highlighted as a Supplementary Cover.
  37. Biphasic electrochemical peptide synthesis.
    Shingo Nagahara, Yohei Okada, Yoshikazu Kitano, Kazuhiro Chiba*
    Chemical Science
    2021, 12, 12911–12917. Highlighted as a Front Cover.
  38. Peptide Head-to-Tail Cyclization: A “Molecular Claw” Approach.
    Sayuri Yamagami, Yohei Okada, Yoshikazu Kitano, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2021, 3133–3138. Highlighted as a Cover Feature.
  39. Synthetic Semiconductor Photoelectrochemistry.
    Yohei Okada*
    The Chemical Record
    2021, 21, 2223–2238.
  40. Ligand Exchange Reactions between Phosphonic Acids at TiO2 Nanoparticle Surfaces.
    Shohei Yamashita, Tatsuya Sudo, Hidehiro Kamiya, Yohei Okada*
    ChemistrySelect
    2021, 6, 2923–2927.
  41. Mechanistic Determination of the Role of Aluminum in Particle Adhesiveness at High Temperature Induced by Sodium and Potassium with a Synthetic Ash Strategy.
    Genki Horiguchi, Yuta Beppu, Kentaro Yoshinaga, Hidehiro Kamiya, Yohei Okada*
    ACS Sustainable Chemistry & Engineering
    2021, 9, 3727–3734. Highlighted as a Supplementary Cover.
  42. Engineering Plastic Fine Particles: Emulsion Castings Enabled by a Ternary System.
    Hiroshi Takezaki, Itaru Asano, Yuji Echigo, Hidehiro Kamiya, Yohei Okada*
    Industrial & Engineering Chemistry Research
    2021, 60, 1067–1070.
  43. 2020

  44. Direct Measurements of Shear Strengths of Fly Ash Powder Beds.
    Nanami Aoki, Yohei Okada,* Hidehiro Kamiya
    ACS Sustainable Chemistry & Engineering
    2020, 8, 18864–18868. Highlighted as a Supplementary Cover.
  45. Mechanistic Studies on TiO2 Photoelectrochemical Radical Cation [2 + 2] Cycloadditions.
    Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Journal of The Electrochemical Society
    2020, 167, 155529.
  46. EC-Backward-E Electrochemistry in Radical Cation Diels-Alder Reactions.
    Kaii Nakayama, Hidehiro Kamiya, Yohei Okada*
    Journal of The Electrochemical Society
    2020, 167, 155518.
  47. Understanding the Mechanism of Particle Adhesion in High Temperature Combustion Induced by Sodium and Potassium: Use of a Synthetic Ash Strategy.
    Genki Horiguchi, Ryosuke Fujii, Yuta Beppu, Hidehiro Kamiya, Yohei Okada*
    Industrial & Engineering Chemistry Research
    2020, 59, 16185–16190. Highlighted as a Supplementary Cover.
  48. Controlling fly ash adhesion at high temperatures via porosity effect.
    Masahiro Ito, Genki Horiguchi, Takafumi Hariu, Atsuki Ito, Hidehiro Kamiya, Yohei Okada*
    Powder Technology
    2020, 374, 492–495.
  49. Redox-Neutral Radical-Cation Reactions: Multiple Carbon–Carbon Bond Formations Enabled by Single-Electron Transfer.
    Yohei Okada*
    Electrochemistry
    2020, 88, 497–506.
  50. Electrochemical Amide Bond Formation from Benzaldehydes and Amines: Oxidation by Cathodic-Generated Hydrogen Peroxide.
    Yuma Kurose, Yasushi Imada, Yohei Okada, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2020, 3844–3846.
  51. Fluorocyclization of N-Propargyl Carboxamides by λ3-Iodane Catalysts with Coordinating Substituents.
    Shunsuke Takahashi, Yuki Umakoshi, Kaii Nakayama, Yohei Okada, Viktor V. Zhdankin, Akira Yoshimura, Akio Saito*
    Advanced Synthesis & Catalysis
    2020, 362, 2997–3003.
  52. Radical-Cation Vinylcyclopropane Rearrangements by TiO2 Photocatalysis.
    Naoya Maeta, Hidehiro Kamiya, Yohei Okada*
    The Journal of Organic Chemistry
    2020, 85, 6551–6566. Highlighted as a Supplementary Cover.
  53. Electrochemical Formation of Cinnamaldehyde by the Electrolyte System N,N-Diisopropylethylamine and 1,1,1,3,3,3-Hexafluoropropan-2-ol.
    Yasushi Imada, Yohei Okada, Kazuhiro Chiba*
    ChemElectroChem
    2020, 7, 1619–1622.
  54. Mechanistic Insights on Concentrated Lithium Salt/Nitroalkane Electrolyte Based on Analogy with Fluorinated Alcohols.
    Naoki Shida, Yasushi Imada, Yohei Okada, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2020, 570–574.
  55. 2019

  56. Improved Tag-Assisted Liquid-Phase Peptide Synthesis: Application to the Synthesis of Bradykinin Receptor-Antagonist Icatibant Acetate.
    Yohei Okada, Rico Takasawa, Daisuke Kubo, Natsumi Iwanaga, Shuji Fujita, Kosuke Suzuki, Hideaki Suzuki, Hidehiro Kamiya, Kazuhiro Chiba*
    Organic Process Research & Development
    2019, 23, 2576–2581.
  57. Probing Intramolecular Electron Transfer in Redox Tag Processes.
    Naoya Maeta, Hidehiro Kamiya, Yohei Okada*
    Organic Letters
    2019, 21, 8519–8522. Highlighted as a Supplementary Cover.
  58. Toward Stable Operation of Sewage Sludge Incineration Plants: The Use of Alumina Nanoparticles to Suppress Adhesion of Fly Ash.
    Juguan Gao, Miki Matsushita, Genki Horiguchi, Ryosuke Fujii, Mayumi Tsukada, Yohei Okada, Hidehiro Kamiya*
    Energy & Fuels
    2019, 33, 9363–9366.
  59. Redox Denaturation of Proteins: Electrochemical Treatment of Egg Plasma.
    Daisuke Taniguchi, Akihiro Handa, Risa Kodama, Yohei Okada, Kazuhiro Chiba*
    Electroanalysis
    2019, 31, 2299–2302.
  60. Radical Cation Diels-Alder Reactions of Non-Conjugated Alkenes by Electrocatalysis.
    Atsushi Ozaki, Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
    Chinese Journal of Chemistry
    2019, 37, 561–564.
  61. A Novel Thermomorphic System for Electrocatalytic Diels-Alder Reactions.
    Yasushi Imada, Naoki Shida, Yohei Okada, Kazuhiro Chiba*
    Chinese Journal of Chemistry
    2019, 37, 557–560.
  62. Radical Cation Diels-Alder Reactions by TiO2 Photocatalysis.
    Kaii Nakayama, Naoya Maeta, Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
    Organic Letters
    2019, 21, 2246–2250.
  63. Substitution Pattern-Selective Olefin Cross Couplings.
    Yohei Okada, Yusuke Yamaguchi, Kazuhiro Chiba*
    ChemElectroChem
    2019, 6, 4165–4168.
  64. Interplay of arene radical cations with anions and fluorinated alcohols in hole catalysis.
    Naoki Shida, Yasushi Imada, Shingo Nagahara, Yohei Okada, Kazuhiro Chiba*
    Communications Chemistry
    2019, 2, 24.
  65. “Snapshots” of Intramolecular Electron Transfer in Redox Tag-Guided [2 + 2] Cycloadditions.
    Yohei Okada*
    The Journal of Organic Chemistry
    2019, 84, 1882–1886. Highlighted as a Supplementary Cover.
  66. Selective Functionalization of Styrenes with Oxygen Using Different Electrode Materials: Olefin Cleavage and Synthesis of Tetrahydrofuran Derivatives.
    Yasushi Imada, Yohei Okada, Keiichi Noguchi, Kazuhiro Chiba*
    Angewandte Chemie, International Edition
    2019, 58, 125–129. Highlighted as a Back Cover.
  67. 2018

  68. Toward Stable Operation of Coal Combustion Plants: The Use of Alumina Nanoparticles to Prevent Adhesion of Fly Ash.
    Genki Horiguchi, Ryosuke Fujii, Yusuke Yamauchi, Harumi Okabe, Mayumi Tsukada, Yohei Okada, Hidehiro Kamiya*
    Energy & Fuels
    2018, 32, 13015–13020. Highlighted as a Supplementary Cover.
  69. Photocatalytic Cycloadditions Enabled by Lithium Perchlorate/Nitromethane Electrolyte Solution.
    Shingo Nagahara, Hiroki Wakamatsu, Yohei Okada, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2018, 6720–6723. Highlighted as a Front Cover.
  70. Direct Ordering of Anchoring Events at the Surface of Iron Oxide Nanoparticles Enabled by A Stepwise Phase-Transfer Strategy.
    Yohei Okada,* Hitomi Asama, Natsumi Koike, Shohei Yamashita, Naoya Maeta, Atsuko Uesaka, Hidehiro Kamiya
    ChemistrySelect
    2018, 3, 8458–8461.
  71. Artificial bioconjugates with naturally occurring linkages: The use of phosphodiester.
    Takao Shoji, Hiroki Fukutomi, Yohei Okada, Kazuhiro Chiba*
    Beilstein Journal of Organic Chemistry
    2018, 14, 1946–1955.
  72. Direct Monitoring of Molecular Events at the Surface: One-Step Access to Flexibly Stable Colloidal Ag Nanoparticles.
    Naoya Maeta, Hidehiro Kamiya, Yohei Okada*
    Langmuir
    2018, 34, 5495–5504.
  73. TiO2 Photocatalysis in Aromatic “Redox Tag”-Guided Intermolecular Formal [2 + 2] Cycloadditions.
    Yohei Okada,* Naoya Maeta, Kaii Nakayama, Hidehiro Kamiya
    The Journal of Organic Chemistry
    2018, 83, 4948–4962. Selected as a Featured Article.
  74. Stepwise radical cation Diels-Alder reaction via multiple pathways.
    Ryo Shimizu, Yohei Okada, Kazuhiro Chiba*
    Beilstein Journal of Organic Chemistry
    2018, 14, 704–708.
  75. Investigating radical cation chain processes in the electrocatalytic Diels-Alder reaction.
    Yasushi Imada, Yohei Okada, Kazuhiro Chiba*
    Beilstein Journal of Organic Chemistry
    2018, 14, 642–647.
  76. Redox-Tag Processes: Intramolecular Electron Transfer and Its Broad Relationship to Redox Reactions in General.
    Yohei Okada, Kazuhiro Chiba*
    Chemical Reviews
    2018, 118, 4592–4630.
  77. A Pot-Economical Liquid Phase PNA Synthesis Enabled by a Soluble Tag-Assisted Method.
    Keisuke Ogami, Yohei Okada, Kazuhiro Chiba*
    Chemistry Letters
    2018, 47, 138–140.
  78. Understanding the Colloidal Stability of Nanoparticle-Ligand Complexes: Design, Synthesis, and Structure-Function Relationship Studies of Amphiphilic Small-Molecule Ligands.
    Yohei Okada,* Kodai Ishikawa, Naoya Maeta, Hidehiro Kamiya
    Chemistry A European Journal
    2018, 24, 1853–1858. Highlighted as a Cover Feature.
  79. 2017

  80. Photo-Triggered Fluorometric Hydrophobic Benzyl Alcohol for Soluble Tag-Assisted Liquid-Phase Peptide Synthesis.
    Hiroki Wakamatsu, Yohei Okada, Masae Sugai, Syed R. Hussaini, Kazuhiro Chiba*
    Asian Journal of Organic Chemistry
    2017, 6, 1584–1588. Highlighted as a Front Cover.
  81. Hydrophobic Magnetic Nanoparticle-Assisted One-Pot Liquid Phase Peptide Synthesis.
    Yohei Okada,* Hitomi Asama, Hiroki Wakamatsu, Kazuhiro Chiba, Hidehiro Kamiya
    European Journal of Organic Chemistry
    2017, 5961–5965. Selected as a Very Important Paper and Highlighted as a Front Cover.
  82. Bidirectional Access to Radical Cation Diels-Alder Reactions by Electrocatalysis.
    Atsushi Ozaki, Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
    ChemElectroChem
    2017, 4, 1852–1855.
  83. Electron-Transfer-Induced Molecular Reactions: Electrode Processes in Organic Synthesis.
    Kazuhiro Chiba,* Yohei Okada
    Current Opinion in Electrochemistry
    2017, 2, 53–59.
  84. Entropic electrolytes for anodic cycloadditions of unactivated alkene nucleophiles.
    Yasushi Imada, Yusuke Yamaguchi, Naoki Shida, Yohei Okada, Kazuhiro Chiba*
    Chemical Communications
    2017, 53, 3960–3963.
  85. 2016

  86. Hydrogen-Bonding-Induced Fluorescence: Water-Soluble and Polarity-Independent Solvatochromic Fluorophores.
    Yohei Okada, Masae Sugai, Kazuhiro Chiba*
    The Journal of Organic Chemistry
    2016, 81, 10922–10929.
  87. Aromatic “Redox Tag”-assisted Diels-Alder reactions by electrocatalysis.
    Yohei Okada, Yusuke Yamaguchi, Atsushi Ozaki, Kazuhiro Chiba*
    Chemical Science
    2016, 7, 6387–6393.
  88. Effect of surface modification of silica particles on interaction forces and dispersibility in suspension.
    Takeshi Mori, Yohei Okada, Hidehiro Kamiya*
    Advanced Powder Technology
    2016, 27, 830–838.
  89. 2015

  90. Acid-Triggered Colorimetric Hydrophobic Benzyl Alcohols for Soluble Tag-Assisted Liquid-Phase Synthesis.
    Yohei Okada, Hiroki Wakamatsu, Masae Sugai, Esko I. Kauppinen, Kazuhiro Chiba*
    Organic Letters
    2015, 17, 4264–4267.
  91. Hydrophobic benzyl amines as supports for liquid-phase C-terminal amidated peptide synthesis: application to the preparation of ABT-510.
    Emiko Matsumoto, Yuko Fujita, Yohei Okada, Esko I. Kauppinen, Hidehiro Kamiya, Kazuhiro Chiba*
    Journal of Peptide Science
    2015, 21, 691–695.
  92. 2014

  93. Total Synthesis of Elastin Peptide Using High Pressure-Liquid Phase Synthesis Assisted by a Soluble Tag Strategy.
    Yohei Okada, Shoichi Hosoya, Hidenobu Suzuki, Kazuhiro Chiba*
    Organic Letters
    2014, 16, 6448–6451.
  94. Anodic Substitution Reaction of Proline Derivatives Using the 2,4,6-Trimethoxyphenyl Leaving Group.
    Takao Shoji, Shokaku Kim, Keisuke Yamamoto, Tomomitsu Kawai, Yohei Okada, Kazuhiro Chiba*
    Organic Letters
    2014, 16, 6404–6407.
  95. A disulfide bond-replacement strategy enables the efficient design of artificial therapeutic peptides.
    Kazuhiro Aoki, Miki Maeda, Takashi Nakae, Yohei Okada, Keiichi Ohya, Kazuhiro Chiba*
    Tetrahedron
    2014, 70, 7774–7779.
  96. Phase-transfer-mediated electrochemical reaction: anodic disulfide bond formation under biphasic condition.
    Masahito Takahashi, Yohei Okada, Yoshikazu Kitano, Kazuhiro Chiba*
    Tetrahedron Letters
    2014, 55, 3622–3624.
  97. Evaluation of the Reduced Allergenicity of Deamidated Gliadin in a Mouse Model of Wheat-Gliadin Allergy Using an Antibody Prepared by a Peptide Containing Three Epitopes.
    Ryosuke Abe, Shiori Shimizu, Karin Yasuda, Masae Sugai, Yohei Okada, Kazuhiro Chiba, Makoto Akao, Hitoshi Kumagai, Hitomi Kumagai*
    Journal of Agricultural and Food Chemistry
    2014, 62, 2845–2852.
  98. Toward Continuous LC-MS Analysis: Surface Modification of Magnetic Microparticles with TiO2 for Phosphate Adsorption.
    Issei Akutagawa, Yoshitake Akiyama, Yutaka Takahashi, Motoyuki Iijima, Yohei Okada, Hidehiro Kamiya, Kazuhiro Chiba*
    Bioscience, Biotechnology, and Biochemistry
    2014, 78, 748–754.
  99. Short Step Anodic Access to Emissive RNA Homonucleosides.
    Yohei Okada, Kouhei Shimada, Yoshikazu Kitano, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2014, 1371–1375. Highlighted as a Cover Picture.
  100. 2013

  101. Soluble Tag-Assisted Peptide Head-to-Tail Cyclization: Total Synthesis of Mahafacyclin B.
    Yuko Fujita, Shuji Fujita, Yohei Okada, Kazuhiro Chiba*
    Organic Letters
    2013, 15, 1155–1157.
  102. Understanding the Reactivity of Enol Ether Radical Cations: Investigation in Anodic Four-Membered Carbon Ring Formation.
    Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
    The Journal of Organic Chemistry
    2013, 78, 2626–2638.
  103. Investigation of the Pathway for Intramolecular Electron Transfer in Anodic [2 + 2] Cycloaddition Reactions.
    Kazuya Kamimura, Yohei Okada, Kazuhiro Chiba*
    Electrochemistry
    2013, 81, 377–379.
  104. Total synthesis of a-conotoxin MII using a soluble-tag-assisted method.
    Shingo Kitada, Shuji Fujita, Yohei Okada, Shokaku Kim, Kazuhiro Chiba*
    Tetrahedron
    2013, 69, 2555–2559.
  105. Cyclic Voltammetric Studies on Electrocatalytic Intermolecular [2 + 2] Cycloaddition Reactions in Lithium Perchlorate/Nitromethane Electrolyte Solution.
    Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
    Electrochemistry
    2013, 81, 331–333.
  106. Tag-Assisted Liquid-Phase Peptide Synthesis using Hydrophobic Benzyl Alcohols as Supports.
    Yohei Okada, Hideaki Suzuki, Takashi Nakae, Shuji Fujita, Hitoshi Abe, Kazuo Nagano, Toshihide Yamada, Nobuyoshi Ebata, Shokaku Kim, Kazuhiro Chiba*
    The Journal of Organic Chemistry
    2013, 78, 320–327.
  107. 2012

  108. Soluble-Support-Assisted Electrochemical Reactions: Application to Anodic Disulfide Bond Formation.
    Shingo Kitada, Masahito Takahashi, Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
    Organic Letters
    2012, 14, 5960–5963.
  109. Cycloalkane-based thermomorphic systems for organic electrochemistry: an application to Kolbe-coupling.
    Yohei Okada, Kazuya Kamimura, Kazuhiro Chiba*
    Tetrahedron
    2012, 68, 5857–5862.
  110. Efficient Intermolecular Carbon–Carbon Bond-Formation Reactions Assisted by Surface-Condensed Electrodes.
    Yohei Okada, Yusuke Yamaguchi, Kazuhiro Chiba*
    European Journal of Organic Chemistry
    2012, 243–246.
  111. 2011

  112. Heterogeneous continuous flow synthetic system using cyclohexane-based multiphase electrolyte solutions.
    Yohei Okada, Tomohiko Yoshioka, Mikio Koike, Kazuhiro Chiba*
    Tetrahedron Letters
    2011, 52, 4690–4693.
  113. Hydrophobic tag-assisted liquid-phase synthesis of a growth hormone-inhibiting peptide somatostatin.
    Shingo Kitada, Shuji Fujita, Yohei Okada, Shokaku Kim, Kazuhiro Chiba*
    Bioorganic Medicinal Chemistry Letters
    2011, 21, 4476–4479.
  114. Electron-Transfer-Induced Intermolecular [2 + 2] Cycloaddition Reactions Based on the Aromatic “Redox Tag” Strategy.
    Yohei Okada, Asaki Nishimoto, Ryoichi Akaba, Kazuhiro Chiba*
    The Journal of Organic Chemistry
    2011, 76, 3470–3476.
  115. Rate acceleration of Diels-Alder reactions utilizing a fluorous micellar system in water.
    Kohsuke Nishimoto, Yohei Okada, Shokaku Kim, Kazuhiro Chiba*
    Electrochimica Acta
    2011, 56, 10626–10631.
  116. Electron transfer-induced four-membered cyclic intermediate formation: Olefin cross-coupling vs. olefin cross-metathesis.
    Yohei Okada, Kazuhiro Chiba*
    Electrochimica Acta
    2011, 56, 1037–1042.
  117. 2010

  118. A practical solution-phase synthesis of an antagonistic peptide of TNF- based on hydrophobic tag strategy.
    Gegen Tana, Shingo Kitada, Shuji Fujita, Yohei Okada, Shokaku Kim, Kazuhiro Chiba*
    Chemical Communications
    2010, 46, 8219–8221.
  119. Continuous electrochemical synthetic system using a multiphase electrolyte solution.
    Yohei Okada, Kazuhiro Chiba*
    Electrochimica Acta
    2010, 55, 4112–4119.
  120. 2009

  121. EC-backward-E electrochemistry supported by an alkoxyphenyl group.
    Yohei Okada, Ryoichi Akaba, Kazuhiro Chiba*
    Tetrahedron Letters
    2009, 50, 5413–5416.
  122. Electrocatalytic Formal [2+2] Cycloaddition Reactions between Anodically Activated Aliphatic Enol Ethers and Unactivated Olefins Possessing an Alkoxyphenyl Group.
    Yohei Okada, Ryoichi Akaba, Kazuhiro Chiba*
    Organic Letters
    2009, 11, 1033–1035.
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