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Ken-ichi Yamashita

山下 健一

Graduate School of Science Department of Chemistry, Associate Professor (Lecturer)

keyword Redox,Rare earth complexes,porphyrinoid,Aromaticity,Nickel,Platinum,Palladium,catenane,aromatic nucleophilic substution reaction,coordination chemistry,Porphyrins

Education

  • 2005/04 - 2007/10, The University of Tokyo, The Graduate School of Engineering, Department of Applied Chemistry
  • 2003/04 - 2005/03, The University of Tokyo, The Graduate School of Engineering, Department of Applied Chemistry
  • 2002/04 - 2003/03, The University of Tokyo, Faculuty of Engineering, Applied Chemistry

Research History

  • 2015/05 - Present, Osaka University, Department of Chemistry, Graduate School of Science, Associate Professor
  • 2007/11 - 2015/04, Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Assistant Professor

Research Areas

  • Nanotechnology/Materials, Functional solid-state chemistry
  • Nanotechnology/Materials, Structural/physical organic chemistry
  • Nanotechnology/Materials, Inorganic and coordination chemistry

Professional Memberships

  • Society of Porphyrins and Phthalocyanines
  • THE SOCIETY OF SYNTHETIC ORGANIC CHEMISTRY, JAPAN
  • JAPAN SOCIETY OF COORDINATION CHEMISTRY
  • 基礎有機化学会
  • American Chemical Society
  • THE CHEMICAL SOCIETY OF JAPAN

Papers

  • Synthesis and Characterization of Quinone Compounds Derived from Doubly- and Triply-Linked Diporphyrins and Tuning of Their Absorption Properties, Ken-ichi Yamashita,Daisuke Hirano,Ken-ichi Sugiura, Chemistry - A European Journal, Vol. 29, No. 66, 2023/09
  • Structurally well-defined conjugated meso-aminoporphyrin oligomers analogous to polyanilines, Ken-ichi Yamashita,Shouichi Takeuchi,Ken-ichi Sugiura, Chemical Science, Vol. 14, No. 10, p. 2735-2744, 2023/02/16
  • 20π Antiaromatic Isophlorins without Metallation or Core Modification, Haruna Sugimura,Kana Nakajima,Ken-ichi Yamashita,Takuji Ogawa, European Journal of Organic Chemistry, Wiley, Vol. 2022, No. 46, 2022/08/03
  • Outstanding Enhancement in the Axial Coordination Ability of the Highly Rigid Cofacial Cyclic Metalloporphyrin Dimer, Ken-ichi Yamashita,Kazuhiro Furutani,Takuji Ogawa, Asian Journal of Organic Chemistry, Wiley, Vol. 10, No. 5, p. 1192-1197, 2021/03/17
  • Synthesis of Porphyrinquinone and Doubly‐Fused Diporphyrin Quinone Through Oxidation of Diarylporphyrins Using a Hypervalent Iodine Compound, Ken‐ichi Yamashita,Daisuke Hirano,Keisuke Fujimaki,Ken‐ichi Sugiura, Chemistry – An Asian Journal, Wiley, Vol. 15, No. 19, p. 3037-3043, 2020/08
  • Metal Complexes of 5,15-Porphyrinquinones: Systematic Study of Crystal Structure, Electronic Structure, and Lewis Acidity, Ken-ichi Yamashita,Daisuke Hirano,Ken-ichi Sugiura, European Journal of Inorganic Chemistry, Wiley, Vol. 2020, No. 36, p. 3507-3516, 2020/07/02
  • Facile redox-induced aromatic-antiaromatic interconversion of a β-tetracyano-21,23-dithiaporphyrin under ambient conditions, Ken-ichi Yamashita,Kana Nakajima,Yusuke Honda,Takuji Ogawa, Chemistry - A European Journal, Vol. 26, No. 16, p. 3633-3640, 2019/12
  • Facile and Efficient Synthesis of Arylenedioxy-Bridged Porphyrin Dimers through Catalyst-Free Nucleophilic Aromatic Substitution, Ken-ichi Yamashita,Narumi Kuramochi,Hang Pham Qui Van,Kazuhiro Furutani,Takuji Ogawa,Ken-ichi Sugiura, ChemPlusChem, Vol. 85, No. 1, p. 217-226, 2019/12
  • Photochemical Reaction of Anthracene with Dioxygen Catalyzed by Platinum(II) Porphyrin, Ken-ichi Yamashita,Ken-ichi Sugiura, Tetrahedron Letters, Vol. 60, No. 39, 2019/08
  • Versatile and Catalyst-Free Methods for the Introduction of Group-16 Elements at the meso-Positions of Diarylporphyrins, Ken-ichi Yamashita,Kazuyuki Kataoka,Hang Pham,Qui Van,Takuji Ogawa,Ken-ichi Sugiura, Asian Journal of Organic Chemistry, Vol. 7, No. 12, p. 2468-2478, 2018/09
  • Redox-Driven Symmetry Change for Terbium(III) Bis(porphyrinato) Double-Decker Complexes by the Azimuthal Rotation of the Porphyrin Macrocycles, Ken-ichi Yamashita,Takayo Yamanaka,Naoya Sakata,Takuji Ogawa, Chemistry - An Asian Journal, Vol. 13, p. 1692-1698, 2018/07
  • Metal-Free Synthesis of meso-Aminoporphyrins through Reduction of meso-Azidoporphyrins Generated in Situ by Nucleophilic Substitution Reactions of meso-Bromoporphyrins, Ken-Ichi Yamashita,Kazuyuki Kataoka,Shouichi Takeuchi,Ken-Ichi Sugiura, JOURNAL OF ORGANIC CHEMISTRY, AMER CHEMICAL SOC, Vol. 81, No. 22, p. 11176-11184, 2016/11
  • Systematic Structural Elucidation for the Protonated Form of Rare Earth Bis(porphyrinato) Double-Decker Complexes: Direct Structural Evidence of the Location of the Attached Proton, Ken-ichi Yamashita,Naoya Sakata,Takuji Ogawa, INORGANIC CHEMISTRY, AMER CHEMICAL SOC, Vol. 55, No. 17, p. 8935-8942, 2016/09
  • Facile and Practical Synthesis of Platinum(II) Porphyrins under Mild Conditions, Ken-ichi Yamashita,Natsuki Katsumata,Shohei Tomita,Miki Fuwa,Keisuke Fujimaki,Takuya Yoda,Daisuke Hirano,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 44, No. 4, p. 492-494, 2015/04
  • Oxidation of meso-Diarylporphyrins by a Hypervalent Iodine Compound: Facile Synthesis of meso-Acyloxyporphyrins and Dioxoporphodimethenes, Ken-ichi Yamashita,Daisuke Hirano,Motoko S. Asano,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 43, No. 7, p. 1049-1051, 2014/07
  • Catalyst-Free Aromatic Nucleophilic Substitution of meso-Bromoporphyrins with Azide Anion: Efficient Synthesis and Structural Analyses of meso-Azidoporphyrins, Ken-ichi Yamashita,Kazuyuki Kataoka,Motoko S. Asano,Ken-ichi Sugiura, ORGANIC LETTERS, AMER CHEMICAL SOC, Vol. 14, No. 1, p. 190-193, 2012/01
  • Synthesis of Fe(II)/Co(II)-Fused Triphenyl Porphyrin Dimer as Candidate for Oxygen Reduction Reaction Catalyst, Atmanto Heru Wibowo,Anggit Pradifta,Abu Masykur,Ken-ichi Yamashita,Yosuke Tani,Ari Yustisia Akbar,Takuji Ogawa, Indonesian Journal of Chemistry, Universitas Gadjah Mada, Vol. 21, No. 4, p. 871-871, 2021/07/29
  • Magnetic circularly polarized luminescence from PtIIOEP and F2‐ppyPtII(acac) under north‐up and south‐up Faraday geometries, Kana Matsudaira,Yuki Mimura,Junichi Hotei,Shigeyuki Yagi,Ken-ichi Yamashita,Michiya Fujiki,Yoshitane Imai, Chemistry – An Asian Journal, Wiley, Vol. 16, No. 8, p. 926-930, 2021/03/09
  • Structure determination and negative differential resistance of tetraarylporphyrin/polyoxometalate 2 : 1 complexes, Yoshito Yamazaki,Ken-ichi Yamashita,Yosuke Tani,Tomoya Aoyama,Takuji Ogawa, Journal of Materials Chemistry C, Royal Society of Chemistry (RSC), Vol. 8, No. 41, p. 14423-14430, 2020/09
  • Stable Singlet Biradicals of Rare-Earth-Fused Diporphyrin-Triple-Decker Complexes Having Low Energy Gaps and Multi-Redox States, Sunri Lee,Ken-ichi Yamashita,Naoya Sakata,Yasukazu Hirao,Kaya Ogawa,Takuji Ogawa, Chemistry - A European Journal, Wiley, Vol. 25, No. 13, p. 3240-3243, 2019/01
  • Unexpected Oxidation Reaction of 1,6-Diarylpyrene with Cu(BF4)2nH2O Affording Pyrenequinones, Ken-ichi Yamashita,Kazuaki Nishimoto,Ken-ichi Sugiura, ChemstrySelect, Vol. 4, No. 1, p. 279-284, 2019/01
  • Synthesis of Tetra(3-thienyl)biphenoquinone and its Charge Transfer Complex with Perylene, Ryotaro Fujii,Md. Awlad Hossain,Hisato Akimoto,Kazunori Hirabayashi,Toshio Shimizu,Kazuhiko Akiyama,Kenta Goto,Hiroyuki Nishikawa,Ken-Ichi Yamashita,Ken-Ichi Sugiura, Asian Journal of Organic Chemistry, Wiley-VCH Verlag, Vol. 7, No. 1, p. 171-178, 2018/01/01
  • Room-temperature discrete-charge-fluctuation dynamics of a single molecule adsorbed on a carbon nanotube, Agung Setiadi,Hayato Fujii,Seiya Kasai,Ken Ichi Yamashita,Takuji Ogawa,Takashi Ikuta,Yasushi Kanai,Kazuhiko Matsumoto,Yuji Kuwahara,Megumi Akai-Kasaya, Nanoscale, Vol. 9, No. 30, p. 10674-10683, 2017/08/14
  • Thiophene-Fused Dinaphthopentaphenes: Versatile Applications of 1,2-Bis(pyren-2-yl)aromatics in the Synthesis of pi-Expanded Molecules, Md. Awlad Hossain,Ken-ichi Yamashita,Kazunori Hirabayashi,Toshio Shimizu,Kenta Goto,Ken-ichi Sugiura, CHEMISTRYSELECT, WILEY-V C H VERLAG GMBH, Vol. 2, No. 16, p. 4343-4348, 2017/05
  • Oligomerization Reactions of Bis(ethynyl)tetraphenylporphyrin Derivatives by Glaser-Hay Coupling Reaction: Isolation and Characterization of Dimer, Trimer, and Tetramer, Shahed Rana,Ken-ichi Yamashita,Ken-ichi Sugiura, SYNTHESIS-STUTTGART, GEORG THIEME VERLAG KG, Vol. 48, No. 15, p. 2461-2465, 2016/08
  • Molecular Design and Syntheses of Tetracyano-5,10-porphyrinquinodimethane Showing Stabilized LUMO, Ken-ichi Yamashita,Shino Sakamoto,Akihiro Suzuki,Ken-ichi Sugiura, CHEMISTRY-AN ASIAN JOURNAL, WILEY-V C H VERLAG GMBH, Vol. 11, No. 7, p. 1004-1007, 2016/04
  • Oxo(porphyrinato)vanadium(IV) as a standard for geoporphyrins, Ken-ichi Yamashita,Shin Tazawa,Ken-ichi Sugiura, INORGANICA CHIMICA ACTA, ELSEVIER SCIENCE SA, Vol. 439, p. 173-177, 2016/01
  • Metal complexes of pi-expanded ligands (2): Synthesis and characterizations of bis[2-[(octylimino)methyl-1-pyrenolato-N,O] palladium(II) and the stabilized vacant d(x2-y2) orbital, Luong Xuan Dien,Ken-ichi Yamashita,Ken-ichi Sugiura, POLYHEDRON, PERGAMON-ELSEVIER SCIENCE LTD, Vol. 102, p. 69-74, 2015/12
  • pi-Expanded Axially Chiral Biaryls and Their Emissions: Molecular Design, Syntheses, Optical Resolution, Absolute Configuration, and Circularly Polarized Luminescence of 1,1 '-Bipyrene-2,2 '-diols, Kamrul Hassan,Ken-ichi Yamashita,Kazunori Hirabayashi,Toshio Shimizu,Kazuki Nakabayashi,Yoshitane Imai,Takashi Matsumoto,Akihito Yamano,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 44, No. 11, p. 1607-1609, 2015/11
  • Stepwise Synthesis of Structurally Well-defined Porphyrin Wires Connected by Platinum Acetylides, Shahed Rana,Ken-ichi Yamashita,Yasuhiro Akita,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 44, No. 9, p. 1226-1228, 2015/09
  • Oxidative Intramolecular C-C Bond Formation Reaction of 1,2-Bis(pyren-2-yl)benzene: Synthesis and Characterization of Benzodinaphthopentaphene, Ken-ichi Yamashita,Akihiro Nakamura,Md. Awlad Hossain,Kazunori Hirabayashi,Toshio Shimizu,Ken-ichi Sugiura, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, CHEMICAL SOC JAPAN, Vol. 88, No. 8, p. 1083-1085, 2015/08
  • Syntheses of a pyrene-based pi-expanded ligand and the corresponding platinum(II) complex, bis[2-[(octylimino)methyl]-1-pyrenolato-N,O] platinum(II), Luong Xuan Dien,Ken-ichi Yamashita,Motoko S. Asano,Ken-ichi Sugiura, INORGANICA CHIMICA ACTA, ELSEVIER SCIENCE SA, Vol. 432, p. 103-108, 2015/06
  • Regioselective Oxidative Oligomerization Reaction of 2-tert-Alkylpyrene and Isolation of Structurally Well-defined 1,3-Pyrenylenes, Ken-ichi Yamashita,Akihiro Nakamura,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 44, No. 3, p. 303-305, 2015/03
  • Conductance of Au/1,4-benzenedicarbothioamide/Au molecular junctions: A proposal for a potential linker, T. Sagisaka,S. Kurokawa,A. Sakai,K. -i. Yamashita,M. Taguch,M. S. Asano,K. -i. Sugiura, CHEMICAL PHYSICS LETTERS, ELSEVIER SCIENCE BV, Vol. 595, p. 167-170, 2014/03
  • Matrix-assisted laser desorption ionization using lithium-substituted mordenite surface, Junya Suzuki,Asami Sato,Ryo Yamamoto,Takashi Asano,Taku Shimosato,Hisashi Shima,Junko N. Kondo,Ken-ichi Yamashita,Kenro Hashimoto,Tatsuya Fujino, CHEMICAL PHYSICS LETTERS, ELSEVIER SCIENCE BV, Vol. 546, p. 159-163, 2012/09
  • FACILE AROMATIC FINKELSTEIN IODINATION (AFI) REACTION IN 1,3-DIMETHYL-2-IMIDAZOLIDINONE (DMI), Ken-Ichi Yamashita,Michihiro Tsuboi,Motoko S. Asano,Ken-Ichi Sugiura, SYNTHETIC COMMUNICATIONS, TAYLOR & FRANCIS INC, Vol. 42, No. 2, p. 170-175, 2012
  • A Forgotten Olefin: A Convenient One-pot Cascade Reaction Involving Suzuki-Miyaura and Mizoroki-Heck Couplings to Form (E)-1,2-Di(pyren-1-yl)ethylene, Ken-ichi Yamashita,Keisuke Kimura,Shin Tazawa,Motoko S. Asano,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 40, No. 12, p. 1459-1461, 2011/12
  • Superexchange mediated energy transfer in zinc(II) porphyrin-free base porphyrin dimers: comparison of m- and p-bis(phenylethynyl) phenylene linked dimers, Motoko S. Asano,Ken-ichi Yamashita,Masato Kitabayashi,Kazuki Kusama,Daichi Kagota,Ken-ichi Sugiura, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, ROYAL SOC CHEMISTRY, Vol. 13, No. 28, p. 12712-12715, 2011
  • A proposal for a new porphine substitution motif aimed at advanced materials: introduction of 4-alkoxy-3,5-diisopropylphenyl groups on porphine, Ken-ichi Yamashita,Yasuhiro Akita,Motoko S. Asano,Hiroyuki Tanaka,Tomoji Kawai,Ken-ichi Sugiura, JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, WORLD SCI PUBL CO INC, Vol. 14, No. 12, p. 1040-1051, 2010/12
  • Temperature-dependent Emission of Copper(I) Phenanthroline Complexes with Bulky Substituents: Estimation of an Energy Gap between the Singlet and Triplet MLCT States, Motoko S. Asano,Kazuhito Tomiduka,Keita Sekizawa,Ken-ichi Yamashita,Ken-ichi Sugiura, CHEMISTRY LETTERS, CHEMICAL SOC JAPAN, Vol. 39, No. 4, p. 376-378, 2010/04
  • Photo-induced self-assembly of Pt(II)-linked rings and cages via the photolabilization of a Pt(II)-py bond, Ken-ichi Yamashita,Kei-ichi Sato,Masaki Kawano,Makoto Fujita, NEW JOURNAL OF CHEMISTRY, ROYAL SOC CHEMISTRY, Vol. 33, No. 2, p. 264-270, 2009
  • Formation of bis- and tris[2]catenanes via the cross-catenation of Pd(II)- and Pt(II)-linked coordination rings, Ken-ichi Yamashita,Akiko Hori,Makoto Fujita, TETRAHEDRON, PERGAMON-ELSEVIER SCIENCE LTD, Vol. 63, No. 35, p. 8435-8439, 2007/08
  • Photoswitchable molecular lock. One-way catenation of a Pt(II)-linked coordination ring via the photolabilization of a Pt(II)-pyridine bond, Ken-ichi Yamashita,Masaki Kawano,Makoto Fujita, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMER CHEMICAL SOC, Vol. 129, No. 7, p. 1850-1851, 2007/02
  • Ru(II)-cornered coordination cage that senses guest inclusion by color change, Ken-ichi Yamashita,Masaki Kawano,Makoto Fujita, CHEMICAL COMMUNICATIONS, ROYAL SOC CHEMISTRY, No. 40, p. 4102-4103, 2007
  • Ultramacrocyclization through reversible catenation., Akiko Hori,Tomohisa Sawada,Ken‐ichi Yamashita,Makoto Fujita, Angewandte Chemie International Edition, 31, Vol. 44, No. 31, p. 4896-4899, 2005/08
  • Kinetic self-assembly: Selective cross-catenation of two sterically differentiated Pd-II-coordination rings, A Hori,K Yamashita,M Fujita, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, WILEY-V C H VERLAG GMBH, Vol. 43, No. 38, p. 5016-5019, 2004
  • A circular tris[2]catenane from molecular 'figure-of-eight', A Hori,K Yamashita,T Kusukawa,A Akasaka,K Biradha,M Fujita, CHEMICAL COMMUNICATIONS, ROYAL SOC CHEMISTRY, No. 16, p. 1798-1799, 2004

Misc.

  • Synthesis and Characterization of Quinone Compounds Derived from Doubly and Triply Linked Diporphyrins and Tuning of Their Absorption Properties, Ken‐ichi Yamashita,Daisuke Hirano,Ken‐ichi Sugiura, Chemistry – A European Journal, Wiley, 2023/10/26
  • Synthesis and Characterization of Quinone Compounds Derived from Doubly- and Triply-Linked Diporphyrins and Tuning of Their Absorption Properties, Ken-ichi Yamashita,Daisuke Hirano,Ken-ichi Sugiura, American Chemical Society (ACS), 2023/08/04
  • Front Cover: 20π Antiaromatic Isophlorins without Metallation or Core Modification (Eur. J. Org. Chem. 46/2022), Haruna Sugimura,Kana Nakajima,Ken‐ichi Yamashita,Takuji Ogawa, European Journal of Organic Chemistry, Wiley, Vol. 2022, No. 46, 2022/12/12
  • 20π antiaromatic isophlorins without metallation or core modification, Haruna Sugimura,Kana Nakajima,Ken-ichi Yamashita,Takuji Ogawa, American Chemical Society (ACS), 2022/06/16
  • 剛直な対面型ポルフィリン環状二量体の合成とその特異的ゲスト包接挙動, 山下健一, 有機結晶部会ニュースレター, Vol. 48, p. 8-9, 2021/06
  • Outstanding Enhancement in the Axial Coordination Ability of the Highly Rigid Cofacial Cyclic Metalloporphyrin Dimer, Ken-ichi Yamashita,Kazuhiro Furutani,Takuji Ogawa, ChemRxiv, American Chemical Society (ACS), 2021/02/09
  • 縮環ポルフィリン二量体を複数有する積層型希土類錯体の合成とその物性, 小川華弥,LEE Sunri,坂田直弥,谷洋介,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 98th, 2018/03/06
  • 二核重希土類‐ポルフィリントリプルデッカー型錯体の合成,構造と性質, 山中貴代,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 98th, 2018/03/06
  • 単分子コンダクタンス測定に向けたメソ位連結ヘテロ金属ポルフィリンアレイの合成と物性, 後藤佑介,谷洋介,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 98th, 2018/03/06
  • β‐テトラシアノジチアポルフィリンの還元挙動, 中島可奈,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 98th, 2018/03/06
  • 高次単一分子機能を目指した新規ヘテロ金属ポルフィリンアレイの合成と特性の評価, 下地頭所彰,谷洋介,山下健一,小川琢治, 応用物理学会春季学術講演会講演予稿集(CD-ROM), Vol. 65th, 2018/03/05
  • ポルフィリン‐イミド分子による金ナノ粒子の機能化と物性評価, 大谷湧也,谷洋介,山下健一,小川琢治, 応用物理学会春季学術講演会講演予稿集(CD-ROM), Vol. 65th, 2018/03/05
  • 対面型環状金属ポルフィリン二量体の特異構造による軸配位能の増幅効果, 古谷宗敬,山下健一,小川琢治, 錯体化学会討論会講演要旨集, Vol. 67th, 2017/09/01
  • 3,3’5,5’‐テトラキス(3‐チエニル)ジフェノキノンの合成と性質, 藤井亮太郎,平林一徳,清水敏夫,秋山和彦,五島健太,山下健一,西川浩之,杉浦健一, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 97th, 2017/03/03
  • テルビウムポルフィリンダブルデッカー型錯体の酸化による構造と単分子磁石性の変化, 山中貴代,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 97th, 2017/03/03
  • 縮環ポルフィリンを配位子に用いたイットリウム二核錯体の合成とその電子構造, 小川華弥,LEE Junri,谷洋介,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 97th, 2017/03/03
  • 2,7‐ジヒドロキシナフタレン架橋環状ポルフィリン二量体における性質および包接挙動の金属依存性, 古谷宗敬,山下健一,小川琢治, 日本化学会春季年会講演予稿集(CD-ROM), Vol. 97th, 2017/03/03
  • 白金(II)ポルフィリン錯体の温和な条件下での高収率合成法の開発, 山下健一,勝俣夏生,不破未来,富田将平,藤巻圭介,依田拓弥,平野大輔,浅野素子,杉浦健一, 錯体化学会討論会講演要旨集, Vol. 64th, 2014/09/01
  • レゾルシノールで架橋した亜鉛ポルフィリン二量体のゲスト包接挙動, 山下健一,倉持成美,浅野素子,杉浦健一, 錯体化学会討論会講演要旨集, Vol. 64th, 2014/09/01
  • ピレンを構成要素とした拡張π共役系化合物の合成と性質, 山下健一,中村明公,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 94th, No. 4, 2014/03/12
  • 無触媒芳香族求核置換反応を利用したカチオン性meso‐ホスホニウムポルフィリンの合成と性質, 山下健一,中島由貴奈,片岡和幸,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 94th, No. 4, 2014/03/12
  • レゾルシノールで架橋したポルフィリン環状二量体金属錯体の合成と性質, 山下健一,倉持成美,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 94th, No. 2, 2014/03/12
  • 5,10‐ビス(ジシアノメチレン)ポルフィリンの合成と性質, 山下健一,坂本志乃,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 94th, No. 4, 2014/03/12
  • ポルフィリンキノンを配位子とする銅,及び銀錯体の合成と性質, 山下健一,平野大輔,浅野素子,杉浦健一, 錯体化学会討論会講演要旨集, Vol. 63rd, 2013/10/15
  • 三重縮環型ポルフィリンダイマーのキノン体の合成と性質, 山下健一,平野大輔,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 24th, 2013/08/22
  • 無触媒芳香族求核置換反応を利用したレゾルシノール架橋ポルフィリン二量体の合成と性質, 山下健一,PHAM Qui Van Hang,片岡和幸,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 93rd, No. 4, 2013/03/08
  • 縮環型ポルフィリンダイマーのキノン体の合成と性質, 山下健一,平野大輔,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 93rd, No. 4, 2013/03/08
  • ブタジインで架橋したピレン環状多量体の合成と電子状態の評価, 山下健一,LUONG XUAN Dien,田澤慎,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 93rd, No. 4, 2013/03/08
  • 軸不斉を有するピレンオリゴマーの合成とその構造・性質, 山下健一,中村明公,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 23rd, 2012/09/05
  • ポリアニリン型アミノポルフィリン多量体の金属挿入反応によって誘起される物性変化, 山下健一,竹内翔一,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 23rd, 2012/09/05
  • ポルフィリンキノンを配位子とするパラジウム及び白金錯体の合成と性質, 山下健一,平野大輔,浅野素子,杉浦健一, 錯体化学会討論会講演要旨集, Vol. 62nd, 2012/09/01
  • 銅(II)塩を用いたアルキルピレン誘導体の酸化的多量化反応, 山下健一,中村明公,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 92nd, No. 4, 2012/03/09
  • アミノポルフィリン多量体のポリアニリン型酸化還元挙動, 山下健一,竹内翔一,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 92nd, No. 4, 2012/03/09
  • キノン型ポルフィリン‐ニッケル(II)錯体におけるスピン状態の顕著な溶媒応答, 山下健一,平野大輔,竹内翔一,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 92nd, No. 2, 2012/03/09
  • meso‐硫黄置換ポルフィリンの高効率合成と性質, 山下健一,片岡和幸,浅野素子,杉浦健一, 有機典型元素化学討論会講演要旨集, Vol. 38th, p. 105-108, 2011/12/07
  • 無触媒芳香族求核置換反応によるポルフィリンのmeso‐官能基化反応の開発, 山下健一,片岡和幸,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 22nd, 2011/09/07
  • 超原子価ヨウ素酸化剤を用いたジアリールポルフィリンの酸化反応, 山下健一,平野大輔,浅野素子,杉浦健一, 有機電子移動化学討論会講演要旨集, Vol. 35th, p. 98-99, 2011/06/23
  • ポリアニリン型構造を有するアミノポルフィリン多量体の合成と性質, 山下健一,竹内翔一,浅野素子,杉浦健一, 有機電子移動化学討論会講演要旨集, Vol. 35th, p. 132-133, 2011/06/23
  • ジアセチレンで連結させたピレン大環状オリゴマーの合成と性質, 田澤慎,山下健一,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 91st, No. 4, 2011/03/11
  • ポリアニリン型構造を有するアミノポルフィリン多量体, 山下健一,竹内翔一,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 91st, No. 4, 2011/03/11
  • meso‐ブロモポルフィリンの無触媒フェノキシ化反応とその応用, 山下健一,片岡和幸,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 91st, No. 4, 2011/03/11
  • meso‐ブロモポルフィリンの無触媒アルコキシ及びフェノキシ化反応, 山下健一,片岡和幸,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 21st, 2010/09/02
  • ポルフィリン置換m‐ジエチニルベンゼン多量化反応の評価, 山下健一,浦路怜苑,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 21st, 2010/09/02
  • 銅(II)塩によるジアリールピレンの酸化反応, 山下健一,西本一彬,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 90th, No. 4, 2010/03/12
  • アジ化物イオンを用いたmeso‐ブロモポルフィリンの無触媒アミノ化反応, 山下健一,片岡和幸,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 90th, No. 4, 2010/03/12
  • ポルフィリン大環状多量体の合成およびSTM観察に適した易溶性置換基の設計, 山下健一,秋田康宏,浅野素子,田中裕行,川合知二,杉浦健一, 日本化学会講演予稿集, Vol. 90th, No. 4, 2010/03/12
  • ポルフィリンが置換したm‐ジエチニルベンゼン環状多量体の合成と物性, 山下健一,浦路怜苑,秋田康宏,浅野素子,杉浦健一, 日本化学会講演予稿集, Vol. 90th, No. 4, 2010/03/12
  • ピレン置換ポルフィリンの合成と分光学的特性, 山下健一,田澤慎,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 20th, 2009/09/18
  • 環状及び鎖状ポルフィリン多量体の光学特性に関する研究, 山下健一,秋田康宏,浅野素子,田中裕行,川合知二,杉浦健一, 基礎有機化学討論会要旨集, Vol. 20th, p. 214-215, 2009/09/18
  • ポルフィリンが置換したm‐ジエチニルベンゼン多量体の合成, 山下健一,浦路怜苑,秋田康宏,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 20th, 2009/09/18
  • Synthesis and optical properties of cyclic porphyrin oligomers connected by diphenylbutadiynes, YAMASHITA KEN'ICHI,AKITA YASUHIRO,ASANO MOTOKO,TANAKA HIROYUKI,KAWAI TOMOJI,SUGIURA KEN'ICHI, 日本化学会講演予稿集, Vol. 89th, No. 2, 2009/03/13
  • Hartree-Fock's symmetry breaking in porphyrin π-system and a rational calculation methodology for porphyrin oligomers, Solid state physics, Vol. 43, No. 11, p. 821-828, 2008/11
  • 金属ポルフィン類の結晶構造, 山下健一,田澤慎,梅宮将充,浅野素子,宮坂等,山下正廣,波田雅彦,杉浦健一, 基礎有機化学討論会要旨集, Vol. 19th, p. 134-135, 2008/09/26
  • ジフェニルブタジイン類を連結鎖とした三角形および四角形型ポルフィリン環状多量体の合成, 山下健一,秋田康宏,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, Vol. 19th, 2008/09/26
  • ポルフィリンを用いた分子ワイヤー類の単分子電気伝導, 杉浦健一,田中美和,山下健一,浅野素子,堀口和孝,酒井明, 日本化学会講演予稿集, Vol. 88th, No. 2, 2008/03/12

Awards

  • 日本化学会第1回関東支部大会 学生ポスター賞, 山下 健一, 2007

Presentations

  • 剛直な対面型金属ポルフィリン二量体内へのゲスト包接による特異な配位状態の誘起, 山下健一,深田匡博,古谷宗敬, 第20回 ホスト-ゲスト・超分子化学シンポジウム, 2023/06/18
  • Synthesis and antiaromaticity of trioxia[16]triphyrin(2.1.1), Yuya Hirai,Kawazoe Yosuke,Ken-ichi Yamashi, 2023/03/22
  • Synthesis and properties of methine-bridged thiophene pentamers aimed at π-conjugated molecular helices, Rio Nishimura,Ken-ichi Yamashita, 2023/03/22
  • β-テトラシアノイソフロリンの合成と反芳香族性の評価, 杉村晴菜,中島可奈,小川琢治,山下健一, 第2回基礎有機化学会若手オンラインシンポジウム, 2022/11/18
  • Control of photoisomerization and photoluminescence behavior for methine-bridged thiophene trimers, Rio Nishimura,Ken-ichi Yamashita, 25th IUPAC International Conferecne on Physical Organic Chemistry, 2022/07/12
  • Redox-Switchable Structurally Well-Defined meso-Aminoporphyrin Oligomers Analogous to Polyanilines, Ken-ichi Yamashita, 12th International Conference on Porphyrins and Phthalocyanines, 2022/07/12
  • Substituent-Dependent Control of the Azimuthal Rotation Angle for Terbium Bis(porphyrinato) Double-Decker Complexes by Redox Changes and the Influence on Their Single-Molecule Magnet Behavior, Ken-ichi Yamashita, Joint Seminar on "Design and Synthesis of Molecule and Molecular Aggregates for Organic Electronics", 2018/02/19
  • テルビウム―ポルフィリン系単一分子磁石における構造―物性相関, 山下 健一, 2017年度新学術4領域合同シンポジウム, 2017/12/15
  • Conjugated aminoporphyrin oligomers analogous to polyanilines: synthesis and redox behavior, Ken-ichi Yamashita,Shouichi Takeuchi,Kazuyuki Kataoka,Motoko Asano,Ken-ichi Sugiura, The Pacifichem 2015, 2015/12/17
  • Facile Synthesis of meso-Aminoporphyrins and Their Oxidative Oligomerization, Ken-ichi Yamashita,Shouichi Takeuchi,Kazuyuki Kataoka,Motoko Asano,Ken-ichi Sugiura, 227th The Electrochemical Society Meeting, 2015/05/24
  • Syntheses and Properties of Pt(II)- and Pt(IV)-Porphyrin Complexes., Ken-ichi Yamashita, 2nd TMU/SNU Joint Seminar on Nano-Science and Related Topics, 2010/08/27
  • Near-infrared Phosphorescence of b-Cyano-substituted Porphyrin-platinum Complexes, Haruna Sugimura,Ken-ichi Yamashita, The 4th International Symposium of Ionic Coordination Compounds, 2022/12/10
  • Environment-Dependent Fluorescence Efficiency in Methine-Bridged Thiophene Trimers, Rio Nishimura,Ken-ichi Yamashita, 2022/09/21
  • Near-infrared luminescence of β-tetracyanoporphyrin and its metal-complexes, Haruna Sugimura,Ken-ichi Yamashita, 2022/09/21
  • 剛直な対面型環状亜鉛ポルフィリン二量体のゲスト包接におけるゲストの立体障害の影響, 深田 匡博,山下 健一, 日本化学会第102回春季年会, 2022/03/25
  • β-シアノ置換ポルフィリン白金錯体の近赤外領域りん光発光, 杉村晴菜,山下健一, 日本化学会第102回春季年会, 2022/03/25
  • 反芳香族イソフロリン誘導体における反カシャ二重蛍光特性, 川添洋祐,本多祐介,小川琢治,山下健一, 日本化学会第102回春季年会, 2022/03/24
  • メチン架橋チオフェン3量体の光異性化と発光挙動, 西村里桜,山下健一, 日本化学会第102回春季年会, 2022/03/24
  • メチン架橋チオフェン三量体における幾何異性体の制御, 西村里桜,山下健一, 第11回CSJ化学フェスタ2021, 2021/10/21
  • ジチアジオキサイソフロリンの反芳香族性に及ぼすmeso置換基の効果, 磯田 舞花,本多 祐介,山下 健一,小川 琢治, 第11回CSJ化学フェスタ2021, 2021/10/20
  • β-テトラシアノイソフロリンの合成と反芳香族性の評価, 杉村 晴菜,中島 加奈,山下 健一,小川 琢治, 第11回CSJ化学フェスタ2021, 2021/10/20
  • ジチアジオキサイソフロリンの反芳香族性に及ぼすmeso置換基の効果, 磯田舞花,本多祐介,山下健一,小川琢治, 第31回基礎有機化学討論会, 2021/09/21
  • メチン架橋チオフェン三量体における幾何異性体の制御, 西村里桜,山下健一, 第31回基礎有機化学討論会, 2021/09/21
  • β-テトラシアノイソフロリン金属錯体における安定性および反芳香族性の金属依存性, 杉村晴菜,中島加奈,山下健一,小川琢治, 第31回基礎有機化学討論会, 2021/09/22
  • Outstanding Enhancement in the Axial Coordination Ability of the Highly Rigid Cofacial Cyclic Metalloporphyrin Dimer, Ken-ichi Yamashita,Kazuhiro Furutani,Takuji Ogawa, 11th International Conference on Porphyrins and Phthalocyanines
  • Meso-substituent effect on the antiaromaticity and intermolecular interaction of dithiadioxaisophlorins, Maika Isoda,Yusuke Honda,Ken-ichi Yamashita,Takuji Ogawa, 11th International Conference on Porphyrins and Phthalocyanines, 2021/06/28
  • Synthesis and antiaromaticity of ß-tetracyanoisophlorins, Haruna Sugimura,Kana Nakajima,Ken-ichi Yamashita,Takuji Ogawa, 11th International Conference on Porphyrins and Phthalocyanines, 2021/06/28
  • Kinetic studies of the azimuthal rotation in the high-oxidation state of rare-earth bis(porphyrinato) double decker complexes, 2020/03/25
  • 反芳香族ポルフィリノイドの発光に見られるKasha則の破れ, 本多 祐介,中島 可奈,山下 健一,小川 琢治, 第30回基礎有機化学討論会, 2019/09/25
  • Structure and properties of the antiaromatic isophlorins obtained by the reduction of β-tetracyanoporphyrin derivatives, 2019/09/25
  • ヘキサフィリン(1,1,0,1,1,0)およびその類縁体の近赤外発光特性, 若生 貴大,山下 健一,小川 琢治, 日本化学会第99春季年会, 2019/03/16
  • Redox-Driven Symmetry Change for Terbium(III) Bis(porphyrinato) Double-Decker Complexes by the Azimuthal Rotation of the Porphyrin Macrocycles, Ken-ichi Yamashita,Takayo Yamanaka,Naoya Sakata,Takuji Ogawa, The 79th Okazaki Conference ” Synthetic, Biological, and Hybrid Molecular Engines”, 2018/08/30
  • β-テトラシアノジチアポルフィリンの還元挙動, 中島可奈,山下健一,小川琢治, 日本化学会第98春季年会, 2018/03/23
  • 縮環ポルフィリン二量体を複数有する積層型希土類錯体の合成とその物性, 小川 華弥,李 蕣里,坂田 直弥,谷 洋介,山下 健一,小川 琢治, 日本化学会第98春季年会, 2018/03/23
  • 二核重希土類-ポルフィリントリプルデッカー型錯体の合成、構造と性質, 山中 貴代,山下 健一,小川 琢治, 日本化学会第98春季年会, 2018/03/23
  • Facile Synthesis of cofacial porphyrin oligomers via the catalyst free aromatic nucleophilic substitution reactions, Ken-ichi Yamashita, 231st The Electrochemical Society Meeting, 2017/05/28
  • Syntheses, Structures, and Electronic Properties of Quinone Compounds Derived from Porphyrins and Their Metal Complexes, Ken-ichi Yamashita,Daisuke Hirano,Motoko S. Asano,Ken-ichi Sugiura, Eighth International Conference on Porphyrins and Phthalocyanines (ICPP-8), 2014/06/27
  • ポルフィリンキノンの実用的な合成法の開発とそのニッケル錯体の特異的な軸配位挙動, 山下健一,平野大輔,浅野素子,杉浦健一, 錯体化学会討論会講演要旨集, 2012/09/01
  • Catalyst-Free Aromatic Nucleophilic Substitution Reactions for a Facile and Versatile Synthesis of meso-Heteroatom-Substituted Porphyrins, Ken-ichi Yamashita,Kazuyuki Kataoka,Motoko S. Asano,Ken-ichi Sugiura, Seventh International Conference on Porphyrins and Phthalocyanines (ICPP-7), 2012/07/05
  • ポリアニリン類似共役アミノポルフィリン多量体の合成と酸化還元挙動, 山下健一,竹内翔一,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, 2011/09/07
  • ジアリールポルフィリンの酸化的meso‐アセトキシ化, 山下健一,浅野素子,杉浦健一, 日本化学会講演予稿集, 2011/03/11
  • A simple meso-functionalization of porphyrins through nucleophilic substitution reaction; catalyst-free synthesis of meso-azido-, amino-, and alkoxyporphyrins, Ken-ichi Yamashita,Kazuyuki Kataoka,Motoko S. Asano,Ken-ichi Sugiura, Pacifichem2010, 2010/12/15
  • 無触媒求核置換反応によるポルフィリンのmeso官能基化:高効率アジド及びアミノポルフィリンの合成と応用, 山下健一,片岡和幸,竹内翔一,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, 2010/09/02
  • Photocatalytic oxidation of anthracene derivatives using Pt(II)-porphyrins, YAMASHITA KEN'ICHI,ASANO MOTOKO,SUGIURA KEN'ICHI, 日本化学会講演予稿集, 2009/03/13
  • 金属ポルフィリンを用いたアントラセンの触媒的光酸化反応, 山下健一,浅野素子,杉浦健一, 基礎有機化学討論会要旨集, 2008/09/26
  • Syntheses and Axial Coordination Chemistry of Pt(IV)-Porphyrin Complexes, Ken-ichi Yamashita,Satoshi Miyashita,Motoko Asano,Masahiko Hada,Ken-ichi Sugiura, Fifth International Conference on Porphyrins and Phthalocyanines (ICPP-5), 2008/07/06
  • 白金(IV)ポルフィリン錯体の合成と軸配位子交換反応, 山下健一,宮下智司,浅野素子,波田雅彦,杉浦健一, 日本化学会講演予稿集, 2008/03/12

Media Coverage

  • 提唱から60年。温和な条件下で反芳香族イソフロリンの合成に成功, Chem-Station, 2022/12/12
  • 提唱から60年。温和な条件下で反芳香族イソフロリンの合成に成功, 2022/10/04
  • Double-Decker Terbium Complexes, 2018/04/25
  • 3D立体映像の映写に必要な「円偏光」の新たな発生法を開発 3D表示用有機ELディスプレイ等の製造コスト削減に期待, 2021/04/21

Committee Memberships

  • 日本化学会近畿支部, 幹事, 2018/04 - 2020/03