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Effect of semifluoroalkyl substituents in the POSS on atomic oxygen exposure
Kazuki Yukumatsu, Soichi Yokoyama, Aki Goto, Yugo Kimoto, Yutaka Ie
Acta Astronautica Vol. 225 p. 812-820 2024年12月 研究論文(学術雑誌)
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Periodically Twisted Molecular Wires Based on a Fused Unit for Efficient Intramolecular Hopping Transport.
Ryo Asakawa, Soichi Yokoyama, Ryo Yamada, Seiya Maeda, Tatsuhiko Ohto, Hirokazu Tada, Yutaka Ie
Journal of the American Chemical Society 2024年8月12日 研究論文(学術雑誌)
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Colorless Near-Infrared Absorbing Dyes Based on B-N Fused Donor-Acceptor-Donor π-Conjugated Molecules for Organic Phototransistors.
Soichi Yokoyama, Sakura Utsunomiya, Takuji Seo, Akinori Saeki, Yutaka Ie
Advanced science (Weinheim, Baden-Wurttemberg, Germany) 2024年6月14日 研究論文(学術雑誌)
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Highly electron-deficient 1-propyl-3,5-dinitropyridinium: evaluation of electron-accepting ability and application as an oxidative quencher for metal complexes.
Akitaka Ito, Yasuyuki Kuroda, Kento Iwai, Soichi Yokoyama, Nagatoshi Nishiwaki
RSC advances Vol. 14 No. 9 p. 5846-5850 2024年2月14日 研究論文(学術雑誌)
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Fluorinated Dihydropentalene-1,4-Dione: A Strong Electron-Accepting Unit with Organic Semiconductor Characteristics.
Soichi Yokoyama, Yutaka Ie
Chemistry – A European Journal Vol. 29 No. 17 2023年3月22日 研究論文(学術雑誌)
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A fused pi-extended molecule containing an electron-accepting naphthobisthiadiazole and its incorporation into a copolymer: synthesis, properties, and semiconducting performance
Ryo Asakawa, Takuji Seo, Soichi Yokoyama, Yutaka Ie
POLYMER JOURNAL 2022年10月 研究論文(学術雑誌)
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Bridging pico-to-nanonewtons with a ratiometric force probe for monitoring nanoscale polymer physics before damage.
Ryota Kotani, Soichi Yokoyama, Shunpei Nobusue, Shigehiro Yamaguchi, Atsuhiro Osuka, Hiroshi Yabu, Shohei Saito
Nature communications Vol. 13 No. 1 p. 303-303 2022年1月13日 研究論文(学術雑誌)
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FeCl3-Promoted Facile Synthesis of Multiply Arylated Nicotinonitriles
Kento Iwai, Haruka Yamauchi, Soichi Yokoyama, Nagatoshi Nishiwaki
Synthesis Vol. 54 No. 10 p. 2480-2486 2022年1月 研究論文(学術雑誌)
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Comparison of Substituting Ability of Nitronate versus Enolate for Direct Substitution of a Nitro Group
Yusuke Mukaijo, Soichi Yokoyama, Nagatoshi Nishiwaki
Molecules Vol. 25 No. 9 p. 2048-2048 2020年4月28日 研究論文(学術雑誌)
出版者・発行元:MDPI AG
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Vapochromic Properties of Diethenylpyrrole with Naphthyl Tethers Induced by Formation of a Distorted Structure in the Solid State
Crystal Growth & Design 2020年1月30日 研究論文(学術雑誌)
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Synthesis and intramolecular ring transformation of N,N′-dialkylated 2,6,9-triazabicyclo[3.3.1]nonadienes
Yumi Nakaike, Yusuke Yoshida, Soichi Yokoyama, Akitaka Ito, Nagatoshi Nishiwaki
Organic & Biomolecular Chemistry Vol. 18 No. 44 p. 9109-9116 2020年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)
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Three Step Synthesis of Fully and Differently Arylated Pyridines
Arita, M., Yokoyama, S., Asahara, H., Nishiwaki, N.
European Journal of Organic Chemistry Vol. 2020 No. 4 2020年 研究論文(学術雑誌)
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Non-electronic Activation of Aromatic Ring by Simple Steric Repulsion between Substituents in 1-Methylquinolinium Salt Systems
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki
Bulletin of the Chemical Society of Japan Vol. 93 No. 1 2020年 研究論文(学術雑誌)
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Development of a safely handleable synthetic equivalent of cyanonitrile oxide by 1,3-dipolar cycloaddition of nitroacetonitrile
Nishiwaki Nagatoshi, Kumegawa Yuta, Iwai Kento, Yokoyama Soichi
CHEMICAL COMMUNICATIONS Vol. 55 No. 55 p. 7903-7905 2019年7月14日 研究論文(学術雑誌)
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Facile Synthesis of Onychines
Arita, M., Yokoyama, S., Asahara, H., Nishiwaki, N.
Synthesis (Germany) Vol. 51 No. 9 p. 2007-2013 2019年5月 研究論文(学術雑誌)
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Anion-Capture-Induced Fluorescence Enhancement of Bis(cyanostyryl)pyrrole Based on Restricted Access to a Conical Intersection
Yokoyama, S., Ito, A., Asahara, H., Nishiwaki, N.
Bulletin of the Chemical Society of Japan Vol. 92 No. 11 2019年 研究論文(学術雑誌)
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Metal-Free O-Selective Direct Acylation of Amino Alcohols Through Pseudo-Intramolecular Process
Yokoyama, S., Shibauchi, H., Asahara, H., Nishiwaki, N.
European Journal of Organic Chemistry 2019年 研究論文(学術雑誌)
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A facile synthesis of oxiranes possessing three or four carbonyl groups
Asahara, H., Kikuchi, S., Unno, Y., Yokoyama, S., Yoshioka, K., Tani, S., Umezu, K., Nishiwaki, N.
Current Organic Chemistry Vol. 23 No. 1 p. 97-102 2019年 研究論文(学術雑誌)
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Fluorescence Behavior of Bis(cyanostyryl)pyrrole Derivatives Depending on Substituent Position of Cyano Groups in Solution and in Solid State.
Yokoyama S, Nishiwaki N
The Journal of organic chemistry 2018年12月 研究論文(学術雑誌)
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Photoresponsive supramolecular self-assemblies at the liquid/solid interface
Denis Frath, Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
Journal of Photochemistry and Photobiology C: Photochemistry Reviews Vol. 34 p. 29-40 2018年3月1日
出版者・発行元:Elsevier B.V.
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A direct synthesis of trisubstituted allenes from propargyl alcohols via oxaphosphetane intermediates
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki
Bulletin of the Chemical Society of Japan Vol. 91 No. 3 p. 337-342 2018年 研究論文(学術雑誌)
出版者・発行元:Chemical Society of Japan
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Direct dihalo-alkoxylation of nitroalkenes leading to β,β-dihalo-β-nitroethyl alkyl ethers.
Hao F, Yokoyama S, Nishiwaki N
Organic & biomolecular chemistry Vol. 16 No. 15 p. 2768-2775 2018年 研究論文(学術雑誌)
出版者・発行元:
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Phosphine induced dimerization of propargyl alcohols leading to allyl propargyl ethers
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki
Journal of Oleo Science Vol. 67 No. 6 p. 773-778 2018年 研究論文(学術雑誌)
出版者・発行元:Japan Oil Chemists Society
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Synthesis of functionalized 4-nitroanilines by ring transformation of dinitropyridone with enaminones
Saki Naito, Soichi Yokoyama, Haruyasu Asahara, Nagatoshi Nishiwaki
TETRAHEDRON LETTERS Vol. 58 No. 50 p. 4699-4702 2017年12月 研究論文(学術雑誌)
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Flapping viscosity probe that shows polarity-independent ratiometric fluorescence
Ryota Kotani, Hikaru Sotome, Hajime Okajima, Soichi Yokoyama, Yumi Nakaike, Akihiro Kashiwagi, Chigusa Mori, Yuki Nakada, Shigehiro Yamaguchi, Atsuhiro Osuka, Akira Sakamoto, Hiroshi Miyasaka, Shohei Saito
JOURNAL OF MATERIALS CHEMISTRY C Vol. 5 No. 21 p. 5248-5256 2017年6月 研究論文(学術雑誌)
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Aggregation of 4,8,12-Triazatriangulene Cation with Amphiphilic Side Chains: Emission Properties in Solution, in Aggregates, and in the Solid State
Takashi Hirose, Kengo Sasatsuki, Hiromu Noguchi, Soichi Yokoyama, Kenji Matsuda
CHEMISTRY LETTERS Vol. 45 No. 9 p. 1090-1092 2016年9月 研究論文(学術雑誌)
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Rational Design of Highly Photoresponsive Surface-Confined Self-Assembly of Diarylethenes: Reversible Three-State Photoswitching at the Liquid/Solid Interface
Naoki Maeda, Takashi Hirose, Soichi Yokoyama, Kenji Matsuda
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 120 No. 17 p. 9317-9325 2016年5月 研究論文(学術雑誌)
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Fluorescence behavior of 2,6,10-trisubstituted 4,8,12-triazatriangulene cations in solution and in the solid state
Hiromu Noguchi, Takashi Hirose, Soichi Yokoyama, Kenji Matsuda
CRYSTENGCOMM Vol. 18 No. 38 p. 7377-7383 2016年 研究論文(学術雑誌)
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Photochemical Cleavage of Axial Group Attached to the Central Carbon Atom of Triangulene Leuco Derivatives at the Ethanol/Au(111) Substrate
Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
CHEMISTRY LETTERS Vol. 44 No. 11 p. 1616-1618 2015年11月 研究論文(学術雑誌)
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Effects of Alkyl Chain Length and Hydrogen Bonds on the Cooperative Self-Assembly of 2-Thienyl-Type Diarylethenes at a Liquid/Highly Oriented Pyrolytic Graphite (HOPG) Interface
Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
CHEMISTRY-A EUROPEAN JOURNAL Vol. 21 No. 39 p. 13569-13576 2015年9月 研究論文(学術雑誌)
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Diarylethene Self-Assembled Monolayers: Cocrystallization and Mixing-Induced Cooperativity Highlighted by Scanning Tunneling Microscopy at the Liquid/Solid Interface
Denis Frath, Takeshi Sakano, Yohei Imaizumi, Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
CHEMISTRY-A EUROPEAN JOURNAL Vol. 21 No. 32 p. 11350-+ 2015年8月 研究論文(学術雑誌)
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Photoinduced Four-State Three-Step Ordering Transformation of Photochromic Terthiophene at a Liquid/Solid Interface Based on Two Principles: Photochromism and Polymorphism
Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
LANGMUIR Vol. 31 No. 23 p. 6404-6414 2015年6月 研究論文(学術雑誌)
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Photochemical Cleavage of the Axial Group Attached to the Central Carbon Atom of Triazatriangulene
Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
CHEMISTRY LETTERS Vol. 44 No. 1 p. 76-78 2015年1月 研究論文(学術雑誌)
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Phototriggered formation and disappearance of surface-confined self-assembly composed of photochromic 2-thienyl-type diarylethene: a cooperative model at the liquid/solid interface
Soichi Yokoyama, Takashi Hirose, Kenji Matsuda
CHEMICAL COMMUNICATIONS Vol. 50 No. 45 p. 5964-5966 2014年 研究論文(学術雑誌)
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グリシン骨格を親水基とするGemini型パーフルオロアルキル基含有アゾ色素の合成とその界面物性
川瀬徳三, 臼井拓也, 三宅貴子, 横山創一
材料技術 = Material technology Vol. 30 No. 4 p. 125-133 2012年 研究論文(学術雑誌)
出版者・発行元:材料技術研究協会
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N-メチルグリシン骨格を親水基とするパーフルオロアルキル基含有アゾ色素型界面材料の合成とその界面物性
川瀬徳三, 三宅貴子, 臼井拓也, 横山創一, 老田達生
材料技術 Vol. 29 No. 2 p. 79-86 2011年 研究論文(学術雑誌)
出版者・発行元:材料技術研究協会