2024
-
Electrochemical radical cation aza-Wacker cyclizations.
Sota Adachi, Yohei Okada*
Beilstein Journal of Organic Chemistry
2024, accepted.
-
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.
-
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.
-
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.
-
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.

-
Synthetic electrochemistry for peptides.
Yohei Okada, Kazuhiro Chiba*
Current Opinion in Electrochemistry
2024, 45, 101469.
-
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.
-
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.
-
Role of Al-Based Additives in Controlling Ash Adhesion.
Tatsuya Okuizumi, Genki Horiguchi, Hidehiro Kamiya, Yohei
Okada*
Energy & Fuels
2024, 38, 2319–2326.
-
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.

-
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.
-
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.

2023
-
Stereoselective Shono Oxidations: Use of Alkylidene Protective Groups.
Shinnosuke Akahane, Haruka Morizumi, Yoshikazu Kitano, Yohei
Okada*
Electrochemistry
2023, 91, 112010.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
2022
-
Photochemical Radical Cation Cycloadditions of Aryl Vinyl Ethers.
Sota Adachi, Genki Horiguchi, Hidehiro Kamiya, Yohei
Okada*
European Journal of Organic Chemistry
2022, e202201207.
-
Mechanistic Understanding of Electrocatalytic Vinylcyclopropane Rearrangement.
Genki Horiguchi, Yohei Okada*
European Journal of Organic Chemistry
2022, e202201022.
-
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.
-
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.
-
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.

-
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.

-
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.
-
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.
-
Oxidation of benzyl alcohol using linear paired electrolysis.
Genki Horiguchi, Hidehiro Kamiya, Kazuhiro Chiba, Yohei Okada*
Journal of Environmental Chemical Engineering
2022, 10, 107490.
-
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.
-
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.
-
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.
2021
-
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.
-
Biphasic electrochemical peptide synthesis.
Shingo Nagahara, Yohei Okada, Yoshikazu Kitano, Kazuhiro
Chiba*
Chemical Science
2021, 12, 12911–12917. Highlighted as a Front Cover.
-
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.
-
Synthetic Semiconductor Photoelectrochemistry.
Yohei Okada*
The Chemical Record
2021, 21, 2223–2238.
-
Ligand Exchange Reactions between Phosphonic Acids at TiO2 Nanoparticle
Surfaces.
Shohei Yamashita, Tatsuya Sudo, Hidehiro Kamiya, Yohei Okada*
ChemistrySelect
2021, 6, 2923–2927.
-
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.
-
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.
2020
-
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.
-
Mechanistic Studies on TiO2 Photoelectrochemical Radical Cation [2 + 2]
Cycloadditions.
Genki Horiguchi, Hidehiro Kamiya, Yohei Okada*
Journal of The Electrochemical Society
2020, 167, 155529.
-
EC-Backward-E Electrochemistry in Radical Cation Diels-Alder Reactions.
Kaii Nakayama, Hidehiro Kamiya, Yohei Okada*
Journal of The Electrochemical Society
2020, 167, 155518.
-
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.
-
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.
-
Redox-Neutral Radical-Cation Reactions: Multiple Carbon–Carbon Bond Formations
Enabled by Single-Electron Transfer.
Yohei Okada*
Electrochemistry
2020, 88, 497–506.
-
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.
-
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.
-
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.
-
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.
-
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.
2019
-
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.
-
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.
-
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.
-
Redox Denaturation of Proteins: Electrochemical Treatment of Egg Plasma.
Daisuke Taniguchi, Akihiro Handa, Risa Kodama, Yohei Okada,
Kazuhiro Chiba*
Electroanalysis
2019, 31, 2299–2302.
-
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.
-
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.
-
Radical Cation Diels-Alder Reactions by TiO2 Photocatalysis.
Kaii Nakayama, Naoya Maeta, Genki Horiguchi, Hidehiro Kamiya, Yohei
Okada*
Organic Letters
2019, 21, 2246–2250.
-
Substitution Pattern-Selective Olefin Cross Couplings.
Yohei Okada, Yusuke Yamaguchi, Kazuhiro Chiba*
ChemElectroChem
2019, 6, 4165–4168.
-
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.
-
“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.
-
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.
2018
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
Stepwise radical cation Diels-Alder reaction via multiple pathways.
Ryo Shimizu, Yohei Okada, Kazuhiro Chiba*
Beilstein Journal of Organic Chemistry
2018, 14, 704–708.
-
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.
-
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.
-
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.
-
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.
2017
-
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.
-
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.
-
Bidirectional Access to Radical Cation Diels-Alder Reactions by Electrocatalysis.
Atsushi Ozaki, Yusuke Yamaguchi, Yohei Okada, Kazuhiro Chiba*
ChemElectroChem
2017, 4, 1852–1855.
-
Electron-Transfer-Induced Molecular Reactions: Electrode Processes in Organic
Synthesis.
Kazuhiro Chiba,* Yohei Okada
Current Opinion in Electrochemistry
2017, 2, 53–59.
-
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.
2016
-
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.
-
Aromatic “Redox Tag”-assisted Diels-Alder reactions by electrocatalysis.
Yohei Okada, Yusuke Yamaguchi, Atsushi Ozaki, Kazuhiro Chiba*
Chemical Science
2016, 7, 6387–6393.
-
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.
2015
-
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.
-
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.
2014
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
2013
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
2012
-
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.
-
Cycloalkane-based thermomorphic systems for organic electrochemistry: an application
to Kolbe-coupling.
Yohei Okada, Kazuya Kamimura, Kazuhiro Chiba*
Tetrahedron
2012, 68, 5857–5862.
-
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.
2011
-
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.
-
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.
-
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.
-
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.
-
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.
2010
-
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.
-
Continuous electrochemical synthetic system using a multiphase electrolyte solution.
Yohei Okada, Kazuhiro Chiba*
Electrochimica Acta
2010, 55, 4112–4119.
2009
-
EC-backward-E electrochemistry supported by an alkoxyphenyl group.
Yohei Okada, Ryoichi Akaba, Kazuhiro Chiba*
Tetrahedron Letters
2009, 50, 5413–5416.
-
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.