京都大学化学研究所研究者情報   [ English | Japanese ]


茅原 栄一(かやはら えいいち)

材料機能化学研究系 高分子制御合成
助教
博士(工学)
URL:http://os.kuicr.kyoto-u.ac.jp/index.html
E-mail: kayahara@scl.kyoto-u.ac.jp
Tel: 0774-38-3061
Fax: 0774-38-3067

研究・教育歴
    2011.3 京都大学大学院工学研究科高分子化学専攻博士課程 修了
    2011.3 京都大学博士(工学)
    2011.4- 京都大学化学研究所特定助教
    2014.6- 京都大学化学研究所助教
専門分野
    有機合成化学、高分子合成化学
主な研究テーマ
  1. 新規環状π共役分子の創製と機能探索
主な論文・著書
  1. Kayahara, E.; Fukayama, K.; Nishinaga, T.; Yamago, S. , Size Dependence of [N]Cycloparaphenylenes (N = 5-12) in Electrochemical Oxidation Chem. Asian J. 7, 3494-3499 (2016)
  2. Kuroda, Y.; Sakamoto, Y.; Suzuki, T.; Kayahara, E.; Yamago, S. , Tetracyclo(2,7-Carbazole)s: Aromaticity Probe for Cycloparaphenylenes J. Org. Chem. 81, 3356-3363 (2016)
  3. Kayahara, E.; Kouyama, T.; Kato, T.; Yamago, S. , Synthesis and Characterization of [n]CPP (n = 5, 6, 8, 10, and 12) Radical Cation and Dications: Size-Dependent Absorption, Spin, and Charge Delocalization J. Am. Chem. Soc. 138, 338-344 (2016)
  4. Kayahara, E.; Patel, V. K.; Mercier, A.; Kündig, E. P.; Yamago, S. , Regioselective Synthesis and Characterization of Multinuclear Convex-bounded Ruthenium-[n]Cycloparaphenylene (n = 5 and 6) Complexes Angew. Chem. Int. Ed. 55, 302-306 (2016)
  5. Yamago, S.; Kayahara, E.; Hashimoto, S., Cycloparaphenylenes and carbon nanorings Polycyclic Arenes and Heteroarenes: Synthesis, Properties, and Applications, Qian, M. Ed., John Wiley & Sons Ltd, Chichester, UK, Part I, Chapter 6, 143-162 (2015)
  6. Kayahara, E; Qu, R.; Kojima, M.; Iwamoto, T.; Suzuki, T.; Yamago, S., Ligand-controlled Synthesis of [3]- and [4]Cyclo-9,9-dimethyl-2,7-fluorenes through Triangle- and Square-shaped Platinum Intermediates Chem. Eur. J. 21, 18939–18943 (2015)
  7. Kayahara, E.; Patel, V. K.; Mercier, A.; Kündig, E. P.; Yamago, S. , Regioselective Synthesis and Characterization of Multinuclear Convex-bounded Ruthenium-[n]Cycloparaphenylene (n = 5 and 6) Complexes Angew. Chem. Int. Ed.
  8. Kayahara, E.; Patel, V. K.; Xia, J.; Jasti, R.; Yamago, S., Selective and Gram-scale Synthesis of [6]Cycloparaphenylene Synlett 26, 1615-1619 (2015)
  9. Fujistuka, M.; Tojo, S.; Iwamoto, T.; Kayahara, E.; Yamago, S.; Majima, T., Radical Ions of Cyclopyrenylene: Comparison of Spectral Properties with Cycloparaphenylene J. Phys. Chem. Part A 119, 4136-4141 (2015)
  10. Patel, V. K.; Kayahara, E.; Yamago, S. , Practical Synthesis for [n]Cycloparaphenylenes (n = 5, 7-12) by H2SnCl4-Mediated Aromatization of 1,4-Dihydroxylcyclo-2,5-diene Precursors Chem. Eur. J. 21, 5742-5749 (2015)
  11. Toriumi, N.; Muranaka, A.; Kayahara, E.; Yamago, S.; Uchiyama, M., In-Plane Aromaticity in Cycloparaphenylene Dications: A Magnetic Circular Dichroism and Theoretical Study J. Am. Chem. Soc. 21, 82-85 (2015)
  12. 山子茂, 茅原栄一, 岩本貴寛, 三次元状π共役分子の新しい有機化学 有機合成化学協会誌 72, 992-1005 (2014)
  13. 茅原栄一, 山子茂, ついに完成!世界最小の炭素ナノリング -五つのベンゼン環をリング状につなげる合成法の開発- 化学 69, 32-36 (2014)
  14. Fujitsuka, M.; Tojo, S.; Iwamoto, T.; Kayahara, E.; Yamago, S.; Majima, T. , Radical Ions of Cycloparaphenylenes: Size-Dependence Contrary to the Neutral Molecules J. Phys. Chem. Lett. 5, 2302-2305 (2014)
  15. Fujitsuka, M.; Lu, C.; Iwamoto, T.; Kayahara, E.; Yamago, S.; Majima, T. , Properties of Triplet-Excited [n]Cycloparaphenylenes (n = 8–12): Excitation Energies Lower than Those of Linear Oligomers and Polymers J. Phys. Chem. A 118, 4527-4532 (2014)
  16. Iwamoto, T.; Kayahara, E.; Yasuda, N.; Suzuki, T.; Yamago, S. , Synthesis, Characterization, and Properties of [4]Cyclo-2,7-pyrenylene: Effect of Cyclic Structure on the Electronic Properties of Pyrene Oligomers Angew. Chem. Int. Ed. 53, 6430-6434 (2014)
  17. Kayahara, E.; Patel, V. K.; Yamago, S., Synthesis and Characterization of [5]Cycloparaphenylene J. Am. Chem. Soc. 136, 2284-2287 (2014)
  18. Yamago, S.; Kayahara, E.; Iwamoto, T. , Organoplatinum-Mediated Synthesis of Cyclic π-Conjugated Molecules: Towards a New Era of Three-Dimensional Aromatic Compounds Chem. Rec. 14, 84-100 (2014)
  19. Kayahara, E.; Kouyama, T.; Kato, T.; Takaya, H.; Yasuda, N.; Yamago, S. , Isolation and Characterization of Cycloparaphenylene Radical Cation and Dication Angew. Chem. Int. Ed. 52, 13722-13726 (2013)
  20. Kayahara, E.; Iwamoto, T.; Takaya, H.; Suzuki, T.; Fujitsuka, M.; Majima, T.; Yasuda, N.; Matsuyama, N.; Seki, S.; Yamago, S., Synthesis and physical properties of a ball-like three-dimensional π-conjugated molecule Nature Commun. 4, 2694 (2013)
  21. Kayahara, E.; Iwamoto, T.; Suzuki, T.; Yamago, S. , Selective Synthesis of [6]-, [8]-, and [10]Cycloparaphenylenes Chem. Lett. 42, 621-623 (2013)
  22. Fujitsuka, M.; Iwamoto, T.; Kayahara, E.; Yamago, S.; Majima, T. , Enhancement of quinoidal character of smaller [n]cycloparaphenylenes probed by Raman spectroscopy ChemPhysChem. 14, 1570-1572 (2013)
  23. Kayahara, E.; Sakamoto, Y.; Suzuki, T.; Yamago, S. , Selective Synthesis and Crystal Structure of [10]Cycloparaphenylene Org. Lett. 14, 3284-3287 (2012)
  24. Kayahara, E.; Yamago, S. , Synthesis of w-End Functionalized Polymers through Tellurium-Metal Transmetallation Reaction Progress in Controlled Radical Polymerization Materials, Matyjaszewski, K.; Sumerlin, B. S.; Tsarevsky, N. V. Eds 7, 99-114 (2012)
  25. Yamago, S.; Kayahara, E. , Sb, Bi, Te, and I-Transfer Polymerization and Applications Encyclopedia of Radicals in Chemistry, Biology & Materials, Chatgilialoglu, C.; Studer, A. Eds, John Wiley & Sons Ltd, Chichester, UK 1931-1964 (2012)
  26. Nomura, A.; Goto, A.; Ohno, K.; Kayahara, E.; Yamago, S.; Tsujii, Y., Controlled Synthesis of Hydrophilic Concentrated Polymer Brushes and Their Friction/Lubrication Properties in Aqueous Solutions J. Polym. Sci. Part A: Polym. Chem. 49, 5284-5292 (2011)
  27. Kayahara, E.; Yamada, H.; Yamago, S., Generation of Carbanions through Stibine–Metal and Bismuthine–Metal Exchange Reactions and Its Applications to Precision Synthesis of ω-End-Functionalized Polymers Chem. Eur. J. 17, 5272-5280 (2011)
  28. Kayahara, E.; Kondo, N.; Yamago, S. , Substituent Effect on the Antimony Atom in Organostibine-Mediated Living Radical Polymerization Heteroatom. Chem. 22, 307-315 (2011)
  29. Kayahara, E.; Yamago, S. , Development of an Arylthiobismuthine Cocatalyst in Organobismuthine-Mediated Living Radical Polymerization: Applications for Synthesis of Ultrahigh Molecular Weight Polystyrenes and Polyacrylates J. Am. Chem. Soc. 131, 2508-2513 (2009)
  30. Yamago, S.; Yamada, T.; Togai, M.; Ukai, U.; Kayahara, E.; Pan, N. , Synthesis of Structurally Well-Defined Telechelic Polymers by Organostibine-Mediated Living Radical Polymerization: In Situ Generation of Functionalized Chain-Transfer Agents and Selective w -End-Group Transformations Chem. Eur. J. 15, 1018-1029 (2009)
  31. Yamago, S.; Kayahara, E.; Yamada, H. , Synthesis of structurally well-controlled w -vinylidene functionalized poly(alkyl methacrylate)s and polymethacrylonitrile by organotellurium, organostibine, and organobismuthine-mediated living radical polymerizations Reactive. Func. Polymer. 69, 416-423 (2009)
  32. Kayahara, E.; Yamago, S.; Kwak, Y.; Goto, A.; Fukuda, T. , Optimization of Organotellurium Transfer Agents for Highly Controlled Living Radical Polymerization Macromolecules 41, 527-529 (2008)
  33. Yamago, S.; Kayahara, E.; Kotani, M.; Ray, B.; Kwak, Y.; Goto, A.; Fukuda, T. , Highly Controlled Living Radical Polymerization through Dual Activation of Organobismuthines Angew. Chem. Int. Ed. 36, 1304-1306 (2007)


Update: Jul 18,2017