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Chemistry Dept.

Dept. of Chemistry
OKAYAMA UNIVERSITY
Okayama-shi, Kita-ku
Tsushimanaka 3-1-1
JAPAN 700-8530
FAX: 086-251-7853

Staff

Home » Staff » Kenta Tanaka

Kenta Tanaka

Kenta Tanaka

Assistant Professor

Research field : Organic Chemistry

email

Education

2013  B.Sc., College of Humanities and Sciences, Nihon University

2015  M. Sc., Graduate School of Environment and Information Sciences, Yokohama National University

2018  Ph.D., Graduate School of Environment and Information Sciences, Yokohama National University

 

Academic Career

2018–2019  Postdoctoral Research Fellow, Graduate School of Environment and Information Sciences, Yokohama National University

2019–2020  Project Assistant Professor, Faculty of Engineering, Yokohama National University

2020–2021  Assistant Professor, Faculty of Pharmaceutical Science, Tokyo University of Science

2021–2022  Postdoctoral Research Fellow, Graduate School of Environment and Information Sciences, Yokohama National University

2022–present  Assistant Professor, Research Institute for Interdisciplinary Science, Okayama University

 

Honors and Fellowships

2021  NF Foundation R&D Encouragement Award

2018  Student Research Award of Yokohama National University

2017  Excellent Poster Awards of the Chemical Society of Japan

 

Research Interests

Synthetic Organic Chemistry, Photochemical Reaction, Electrochemical Reaction

 

Publication

  1. “Moderately Oxidizing Thioxanthylium Organophotoredox Catalysts for Radical-Cation Diels-Alder Reactions”Tanaka, K.; Kishimoto, M.; Tanaka, Y.; Kamiyama, Y.; Asada, Y.; Sukekawa, M.; Ohtsuka, N.; Suzuki, T.; Momiyama, N.; Honda, K; Hoshino, Y. J. Org. Chem. 2022, 87, 3319–3328. Selected as Front Cover
  2. "A New Cycloaddition Profile for ortho-Quinone Methides: Photoredox-Catalyzed [6+4] Cycloadditions for Synthesis of Benzo[b]cyclopenta[e]oxepines." Tanaka, K.; Asada, Y.; Hoshino Y. Chem. Commun. 2022, 58, 2476–2479. Selected as Back Cover
  3. "Integrated Flow Synthesis of α-Amino Acids by in situ Generation of Aldimines and Subsequent Electrochemical Carboxylation" Naito, Y.; Nakamura, Y.; Shida, N.; Senboku, H.; Tanaka, K. Atobe, M. J. Org. Chem. 2021, 86, 15953-15960.
  4. "Redox Potential Controlled Selective Oxidation of Styrenes for Regio- and Stereoselective Crossed Intermolecular [2 + 2] Cycloaddition via Organophotoredox Catalysis" Tanaka, K.; Iwama, Y.; Mami, K.; Ohtsuka, N.; Hoshino, Y.; Honda, K. Org. Lett. 2020, 22, 5207−5211. Selected as “Most Read Articles (Top 20 most downloaded articles in 1 month)”, Press Release「Light shines on chemical production method」, Highlighted: Virtual Issue Organic Chemistry in Japan: A Strong Foundation and Honorable Tradition (acs.org)
  5. "Visible-Light-Induced [4+2] Cycloaddition of Pentafulvenes by Organic Photoredox Catalysis" Tanaka, K.; Asada, Y.; Hoshino, Y.; Honda, K Org. Biomol. Chem. 2020, 18, 8074-8078. Selected as Front Cover  
  6. "Dual In Situ Generation of Aliphatic Vinyl Ethers and Electron-Deficient ortho-Quinone Methides for Inverse-Electron-Demand [4+2] Cycloaddition: A Selective One-Pot Synthesis of 3-Alkylchromanes" Tanaka, K.; Ueno, K.; Tanaka, Y.; Ohtsuka, N. Asada, Y.; Kishimoto, M.; Sunaga, S.; Hoshino, Y.; Honda, K. Synlett 2020, 52, 1197–1200.
  7. "Flow Electrosynthesis and Molecular Weight Control of Polyphenylene Deriving from 1,4-Bis(trimethylsilyl)benzene: Effect of a Silyl Substituent on the Coupling Position" Nakamura, Y.; Tanaka, K.; Matsumura, Y.; Atobe M. Electrochemisty, 2020, 88, 336-339.
  8. "Highly Selective and Efficient Electrocatalytic Semihydrogenation of Diphenylacetylene in a PEM Reactor with Pt–Pd Alloy Cathode Catalysts" Nogami, S.; Nagasawa, K.; Fukazawa, A.; Tanaka, K.; Mitsushima, S.; Atobe, M. J. Electrochem. Soc. 2020, 167, 155506.
  9. "Electrochemical Synthesis of Polypyrrole Materials Using Polyacrylonitrile Monolith Template" Kaneda, C.; Tanaka, K.; Atobe, M. Kagakukogaku Ronbunshu, 2020, 46, 129-133.
  10. "Electrocatalytic asymmetric hydrogenation of α,β-unsaturated acids in a PEM reactor with cinchona-modified palladium catalysts" Fukazawa, A.; Tanaka, K.; Hashimoto, Y.; Sato, Y.; Atobe, M. Electrochem. Commun. 2020, 115, 106734-106739.
  11. "Organophotoredox-catalyzed intermolecular oxa-[4+2] cycloaddition reactions" Tanaka, K.; Omata, D.; Asada, Y.; Tanaka, Y.; Hoshino, Y.; Honda, K. J. Org. Chem. 2019, 84, 10669−10678. Selected as Supplementary Cover, Press Release「Let there be light: Synthesizing organic compounds」
  12. "Access to electron-deficient 2,2-disubstituted chromanes: A highly regioselective one-pot synthesis via an inverse-electron-demand [4+2] cycloaddition of ortho-quinone methides and 1,1-disubstituted ethylenes" Tanaka, K.; Kishimoto, M.; Asada, Y.; Hoshino, Y.; Honda, K. J. Org. Chem. 2019, 84, 13858−13870.
  13. "Friedel-Crafts approach to the one-pot synthesis of methoxy substituted thioxanthylium salts" Tanaka, K.; Tanaka, Y.; Kishimoto, M; Hoshino, Y.; Honda, K. Beilistein J. Org. Chem. 2019, 15, 2105-2112.
  14. "A flow microreactor approach to highly efficient Diels-Alder reaction with electrogenerated o-quinone" Tanaka, K.; Yoshizawa, H.; Atobe, M. Synlett 2019, 30, 1194-1198.
  15. "Highly selective one-​pot synthesis of polysubstituted isoflavanes using styryl ethers and electron-​withdrawing ortho-​quinone methides generated in situ" Tanaka, K.; Kishimoto, M.; Ohtsuka, N.; Iwama, Y.; Wada, H.; Hoshino, Y.; Honda, K. Synlett 2019, 30, 189-192. 
  16. "CsF-promoted desilylation and ring-contraction reaction of electron-deficient 3-silyl-2H-chromenes to 2-benzylbenzofurans" Tanaka, K.; Sukekawa, M.; Kishimoto, M.; Hoshino, Y.; Honda, K. Heterocycles 2019, 99, 145-170.
  17. "A new approach to stereoselective electrocatalytic semihydrogenation of alkynes to Z-alkenes using a proton exchange membrane reactor" Fukazawa, A.; Minoshima, J.; Tanaka, K.; Hashimoto, Y.; Kobori, Y.; Sato, Y.; Atobe, M. ACS Sus. Chem. Eng. 2019, 7, 111050-11055.
  18. "Green-light-driven thioxanthylium-based organophotoredox catalysts: Organophotoredox promoted radical cation Diels-Alder reaction" Tanaka, K.; Kishimoto, M.; Sukekawa, M.; Hoshino, Y.; Honda, K. Tetrahedron Lett. 2018, 59, 3361-3364. 
  19. "Temperature-controlled divergent synthesis of 4-alkoxy- or 4-alkenyl-chromanes via inverse electron-demand cycloaddition with in situ generated ortho-quinone methides" Tanaka, K.; Kishimoto, M.; Hoshino, Y.; Honda, K. Tetrahedron Lett. 2018, 59, 1841-1845.
  20. "The ring-contraction reaction of electron-deficient 3-silylchromene to 2-benzylbenzofuran under mildly basic conditions" Tanaka, K.; Sukekawa, M.; Hoshino, Y.; Honda, K. Chem. Lett. 2018, 47, 440-443.
  21. "Highly regioselective synthesis of 2,3-disubstituted 2H-1-benzopyrans: Brønsted acid catalyzed [4+2] cycloaddition reaction with a variety of arylalkynes"  Tanaka, K.; Shigematsu, Y.; Sukekawa, M.; Hoshino, Y.; Honda, K.Tetrahedron 2017, 73, 6456-6464.
  22. "A direct synthesis of 2,2-disubstituted 3-silylchromenes by [4+2] cycloaddition of in situ generated o-quinonemethides with electron-rich alkynes" Tanaka, K.; Hoshino, Y.; Honda, K. Heterocycles 2017, 95, 474-486.
  23. "Regioselective one-pot synthesis of 2,3-diaryl-2H-1-benzopyrans via Brønsted acid-catalyzed [4+2] cycloaddition of salicylaldehydes with diarylacetylenes" Tanaka, K.; Shigematsu, Y.; Sukekawa, M.; Hoshino, Y.; Honda, K. Tetrahedron Lett. 2016, 57, 5914-5918.
  24. "A novel synthesis of polysubstituted chromenes from various salicylaldehydes and alkynes under mild conditions" Tanaka, K.; Hoshino, Y.; Honda, K. Tetrahedron Lett. 2016, 57, 2448-2450.

Review

  1. "Design and Synthesis of Strongly Oxidizing Thioxanthylium Organic Photosensitizer for Green-light-driven Photoredox Catalysis" Tanaka, K.; Hoshino, Y.; Honda, K. J. Jpn. Soc. Colour Mater. 2020, 93, 49–53.
  2. "Development of Regioselective Inverse-Electron-Demand [4+2] Cycloaddition with Electron-Rich Arylalkynes for Access to Multi-Substituted Condensed Oxapolycyclic Compounds"  Tanaka, K.; Hoshino, Y.; Honda, K. J. Synth. Org. Chem. Jpn 2018, 76, 1341-1351.

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