研究者詳細 - 髙石　和人

論文 - 髙石　和人

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A Binaphthyl Macrocycle Exhibiting Circularly Polarized Luminescence: On–off Switch Triggered by Molecular Recognition

Kazuto Takaishi, Itsuki Taniuchi, Sho Miyashita, Kei Yabushita, Tadashi Ema

Chemistry – A European Journal 2025年4月

Deoxygenative dual CO2 conversions: methylenation and switchable N-formylation/N-methylation of tryptamines

Kazuto Takaishi, Hajime Morishita, Kosuke Iwaki, Tadashi Ema

Green Chemistry 2025年

Temperature‐Induced Sign Inversion of Circularly Polarized Luminescence of Binaphthyl‐Bridged Tetrathiapyrenophanes

Kazuto Takaishi, Fumiya Yoshinami, Yoshihiro Sato, Tadashi Ema

Chemistry – A European Journal 2024年6月

Skeletal Formation of Carbocycles with CO2: Selective Synthesis of Indolo[3,2-b]carbazoles or Cyclophanes from Indoles, CO2, and Phenylsilane

Sha Li, Shoko Nakahara, Taishin Adachi, Takumi Murata, Kazuto Takaishi, Tadashi Ema

Journal of the American Chemical Society 2024年6月

One-Pot Synthesis of Dihydropyrans via CO2 Reduction and Domino Knoevenagel/oxa-Diels–Alder Reactions

Kazuto Takaishi, Ritsuki Nishimura, Yuha Toda, Hajime Morishita, Tadashi Ema

Organic Letters 2023年3月

Circularly polarized luminescence from porphyrin-containing (supra)molecular systems

Chihiro Maeda, Issa Yasutomo, Kazuto Takaishi, Tadashi Ema

Journal of Porphyrins and Phthalocyanines 27 ( 07n10 ) 903 - 911 2023年2月

掲載種別：研究論文（学術雑誌）出版者・発行元：World Scientific Pub Co Pte Ltd

Functional dyes showing circularly polarized luminescence (CPL) have attracted considerable attention. Porphyrins and porphyrinoids have characteristic properties useful for the development of CPL materials, although the examples of CPL-active porphyrins and porphyrinoids are still limited. Here we have summarized recent progress in CPL-active systems containing porphyrins or phthalocyanines, which are classified into the following four categories: (i) porphyrins with chiral sources; (ii) axially chiral porphyrin dimers; (iii) self-assembled porphyrins; (iv) porphyrin-sensitized CPL dyes.

DOI： 10.1142/s108842462330001x

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Circularly polarized luminescence in molecular recognition systems: Recent achievements

Kazuto Takaishi, Chihiro Maeda, Tadashi Ema

Chirality 35 ( 2 ) 92 - 103 2022年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Wiley

Abstract

Circularly polarized luminescence (CPL) dyes are recognized to be new generation materials and have been actively developed. Molecular recognition systems provide nice approaches to novel CPL materials, such as stimuli‐responsive switches and chemical sensing materials. CPL may be induced simply by mixing chiral or achiral, luminescent or nonluminescent host and guest; there are several combinations. Molecular recognition can potentially save time and effort to construct well‐ordered chiral structures with noncovalent attractive interactions as compared with the multi‐step synthesis of covalently bonded dyes. It is a challenging subject to engage molecular recognition events with CPL, and it is important and interesting to see how it is achieved. In fact, simple molecular recognition systems can even enable the fine adjustment of CPL performance and detailed conformational/configurational analysis of the excited state. Here we overview the recent achievements of simple host–guest complexes capable of exhibiting CPL, summarizing concisely the host/guest structures, CPL intensities, and characteristics.

DOI： 10.1002/chir.23522

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/chir.23522

Binaphthyl‐Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D2 Symmetry Strategy

Kazuto Takaishi, Sho Murakami, Fumiya Yoshinami, Tadashi Ema

Angewandte Chemie International Edition 2022年7月

Ruthenium Complexes Bearing Axially Chiral Bipyridyls: The Mismatched Diastereomer Showed Red Circularly Polarized Phosphorescence

Kazuto Takaishi

Chemistry - A European Journal 2022年1月

Binaphthyl-bridged pyrenophanes: Intense circularly polarized luminescence based on a D2 symmetry strategy 査読

Kazuto Takaishi, Sho Murakami, Fumiya Yoshinami, Tadashi Ema

Angewandte Chemie International Edition 61 e202204609 2022年

Ruthenium complexes bearing axially chiral bipyridyls: The mismatched diastereomer showed red circularly polarized phosphorescence 査読

Kazuto Takaishi, Yusuke Nakatsuka, Hitomi Asano, Yuya Yamada, Tadashi Ema

28 e202104212 2022年

Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State

Kazuto Takaishi, Tomoki Matsumoto, Miyu Kawataka, Tadashi Ema

Angewandte Chemie 133 ( 18 ) 10056 - 10060 2021年4月

Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State 査読

Kazuto Takaishi, Tomoki Matsumoto, Miyu Kawataka, Tadashi Ema

Angewandte Chemie - International Edition 60 ( 18 ) 9968 - 9972 2021年4月

C-Methylenation of anilines and indoles with CO2 and hydrosilane using a pentanuclear zinc complex catalyst 査読

Kazuto Takaishi, Hiroyasu Kosugi, Ritsuki Nishimura, Yuya Yamada, Tadashi Ema

Chemical Communications 57 ( 65 ) 8083 - 8086 2021年

Chiral exciplex dyes showing circularly polarized luminescence: extension of the excimer chirality rule 査読

Kazuto Takaishi, Sho Murakami, Kazuhiro Iwachido, Tadashi Ema

Chemical Science 12 ( 43 ) 14570 - 14576 2021年

Aggregation‐Induced Circularly Polarized Luminescence from Boron Complexes with a Carbazolyl Schiff Base 査読国際誌

Chihiro Maeda, Shuichi Nomoto, Kazuto Takaishi, Tadashi Ema

Chemistry – A European Journal 26 ( 57 ) 13016 - 13021 2020年10月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Wiley

A variety of carbazolyl-appended Schiff bases were readily synthesized from 1-formylcarbazoles and aniline derivatives. Boron complexation of the resulting ligands allowed for facile preparation of new carbazole-based BODIPY analogues showing solid-state fluorescence. Furthermore, some dyes were converted into chiral compounds through the Et2 AlCl-mediated incorporation of a binaphthyl unit. The chiral dyes showed aggregation-induced fluorescence and circularly polarized luminescence (CPL) with the ΦF and glum of up to 0.22 and -3.5×10-3 , respectively, in the solid state. The solid-state fluorescence and CPL were well characterized by the crystal packing analyses and DFT calculations.

DOI： 10.1002/chem.202001463

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Tetrameric and Hexameric Porphyrin Nanorings: Template Synthesis and Photophysical Properties 査読国際誌

Chihiro Maeda, Shoki Toyama, Naoki Okada, Kazuto Takaishi, Seongsoo Kang, Dongho Kim, Tadashi Ema

Journal of the American Chemical Society 142 ( 37 ) 15661 - 15666 2020年9月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：American Chemical Society ({ACS})

Hexameric and tetrameric porphyrin nanorings, Z6·T6 and Z4·T4, were synthesized in 53% and 14% yields, respectively, by the Sonogashira-type self-oligomerization of porphyrin monomer 1 using hexadentate template T6 and tetrapyridylporphyrin template T4. Template-free nanorings Z6 and Z4 were also prepared. The femtosecond transient absorption measurements revealed fast excitation energy hopping (EEH) along these nanorings with hopping rates of 2-5 ps. Treatment of Z6 with chiral template CT6 gave Z6·CT6 showing circular dichroism (CD) and circularly polarized luminescence (CPL) in the absorption and fluorescence regions of Z6, respectively, which indicates chirality transfer from CT6 to Z6.

DOI： 10.1021/jacs.0c07707

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Synthesis and Chiroptical Properties of Chiral Carbazole-Based BODIPYs. 査読国際誌

Chihiro Maeda, Keita Suka, Keiji Nagahata, Kazuto Takaishi, Tadashi Ema

Chemistry (Weinheim an der Bergstrasse, Germany) 26 ( 19 ) 4261 - 4268 2020年4月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Wiley

A series of carbazole-based boron dipyrromethenes (BODIPYs) 2 a-g bearing binaphthyl units have been synthesized by the Et2 AlCl-mediated reaction of the corresponding BODIPY difluorides 1 a-g with 1,1'-binaphthalene-2,2'-diol. Substituents such as halogen, nitrile, and amino groups were tolerated under the reaction conditions, and the reaction of the phenylethynyl-substituted 1 h gave (R,R)-3 h bearing two binaphthyl units. The chiroptical properties of these dyes with different substituents were investigated by UV/Vis, CD, fluorescence, and circularly polarized luminescence (CPL) spectroscopy. The CD spectra showed Cotton effects in the absorption region of the BODIPY moieties. In addition, they showed CPL both in solution and in the solid state. Interestingly, several dyes recorded higher glum values in the solid state, probably due to intermolecular interactions. Because (R,R)-3 h recorded relatively low glum values, the diastereomer (R,S)-3 h was prepared. The (R,S) diastereomer showed intense CPL, which suggests a synergetic effect of the two binaphthyl groups. Finally, chiral carbazole-based BODIPY dimers have been synthesized for the first time and their chiroptical properties were investigated. They showed redshifted fluorescence and CPL, which reached the near-IR (NIR) region in the solid state.

DOI： 10.1002/chem.201904954

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Solvent-Induced Sign Inversion of Circularly Polarized Luminescence: Control of Excimer Chirality by Hydrogen Bonding 査読

Kazuto Takaishi, Kazuhiro Iwachido, Tadashi Ema

Journal of the American Chemical Society 142 ( 4 ) 1774 - 1779 2020年1月

Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis 査読

Bikash Dev Nath, Kazuto Takaishi, Tadashi Ema

Catalysis Science & Technology 10 ( 1 ) 12 - 34 2020年

Synthesis of Circularly Polarized Luminescence Dyes Based on Chiral Naphthalene Oligomers

Kazuto Takaishi

Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry 2020年

Axially Chiral peri-Xanthenoxanthenes as a Circularly Polarized Luminophore 査読

Kazuto Takaishi, Sakiko Hinoide, Tomoki Matsumoto, Tadashi Ema

Journal of the American Chemical Society 141 ( 30 ) 11852 - 11857 2019年7月

Organic Monolithic Natural Hyperbolic Material 査読

Yeon Ui Lee, Olivier P. M. Gaudin, KwangJin Lee, Eunyoung Choi, Virginie Placide, Kazuto Takaishi, Tsuyoshi Muto, Pascal André, Atsuya Muranaka, Masanobu Uchiyama, Fabrice Mathevet, Tetsuya Aoyama, JeongWeon Wu, Anthony D’Aléo, Jean-Charles Ribierre

ACS Photonics 6 ( 7 ) 1681 - 1689 2019年7月

Unexpected Macrocyclic Multinuclear Zinc and Nickel Complexes that Function as Multitasking Catalysts for CO 2 Fixations 査読

Kazuto Takaishi, Bikash Dev Nath, Yuya Yamada, Hiroyasu Kosugi, Tadashi Ema

Angewandte Chemie International Edition 58 ( 29 ) 9984 - 9988 2019年7月

Evolving Fluorophores into Circularly Polarized Luminophores with a Chiral Naphthalene Tetramer: Proposal of Excimer Chirality Rule for Circularly Polarized Luminescence 査読

Kazuto Takaishi, Kazuhiro Iwachido, Ryosuke Takehana, Masanobu Uchiyama, Tadashi Ema

Journal of the American Chemical Society 141 ( 15 ) 6185 - 6190 2019年4月

Hemisquaramide Tweezers as Organocatalysts: Synthesis of Cyclic Carbonates from Epoxides and CO2 査読

Kazuto Takaishi, Takafumi Okuyama, Shota Kadosaki, Masanobu Uchiyama, Tadashi Ema

Organic Letters 21 ( 5 ) 1397 - 1401 2019年3月

Chiroptical and catalytic properties of doubly binaphthyl-strapped chiral porphyrins 査読国際誌

Chihiro Maeda, Kanae Ogawa, Kosuke Sadanaga, Kazuto Takaishi, Tadashi Ema

Chemical Communications 55 ( 8 ) 1064 - 1067 2019年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Royal Society of Chemistry ({RSC})

Doubly (R)-binaphthyl-strapped porphyrins with methylene chains were synthesized. The CD spectra showed the positive Cotton effect around the Soret bands, and several porphyrins showed CPL. In addition, we found that the chiral porphyrins were applicable to kinetic resolution of epoxide with CO2.

DOI： 10.1039/C8CC09114E

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Synthesis of chiral carbazole-based BODIPYs showing circularly polarized luminescence 査読国際誌

Chihiro Maeda, Keiji Nagahata, Kazuto Takaishi, Tadashi Ema

Chemical Communications 55 ( 21 ) 3136 - 3139 2019年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Royal Society of Chemistry ({RSC})

Chiral carbazole-based BODIPYs with a binaphthyl unit were synthesized via an Al-mediated reaction. Et2AlCl was found to be a convenient reagent for the reaction to give the chiral BODIPYs in high yields. It has been shown for the first time that these chiral carbazole-based BODIPYs show circularly polarized luminescence (CPL) both in solution and in the solid state.

DOI： 10.1039/C9CC00894B

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Cross-Coupling Approach to an Array of Macrocyclic Receptors Functioning as Chiral Solvating Agents 査読

Tadashi Ema, Takayuki Yamasaki, Sagiri Watanabe, Mahoko Hiyoshi, Kazuto Takaishi

The Journal of Organic Chemistry 83 ( 18 ) 10762 - 10769 2018年9月

Simultaneous Edge-on to Face-on Reorientation and 1D Alignment of Small π-Conjugated Molecules Using Room-Temperature Mechanical Rubbing 査読

Jean Charles Ribierre, Jean Charles Ribierre, Toshihiko Tanaka, Li Zhao, Yuki Yokota, Yuki Yokota, Shinya Matsumoto, Shinya Matsumoto, Daisuke Hashizume, Kazuto Takaishi, Tsuyoshi Muto, Benoît Heinrich, Stéphane Méry, Fabrice Mathevet, Toshinori Matsushima, Toshinori Matsushima, Toshinori Matsushima, Masanobu Uchiyama, Masanobu Uchiyama, Chihaya Adachi, Chihaya Adachi, Chihaya Adachi, Tetsuya Aoyama

Advanced Functional Materials 28 ( 19 ) 2018年5月

Binaphthyl–Bipyridyl Cyclic Dyads as a Chiroptical Switch 査読

Kazuto Takaishi, Makoto Yasui, Tadashi Ema

Journal of the American Chemical Society 140 ( 16 ) 5334 - 5338 2018年4月

Intense excimer CPL of pyrenes linked to a quaternaphthyl 査読

Kazuto Takaishi, Ryosuke Takehana, Tadashi Ema

Chemical Communications 54 ( 12 ) 1449 - 1452 2018年

Calix[4]pyrroles as macrocyclic organocatalysts for the synthesis of cyclic carbonates from epoxides and carbon dioxide 査読

Chihiro Maeda, Sota Sasaki, Kazuto Takaishi, Tadashi Ema

Catalysis Science & Technology 8 ( 16 ) 4193 - 4198 2018年

Control of chiroptical properties of axially chiral naphthalene oligomers

Kazuto Takaishi, Tadashi Ema

Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry 76 ( 9 ) 885 - 893 2018年

Palladium Complexes of Carbazole-Based Chalcogenaisophlorins: Synthesis, Structure, and Solid-State NIR Absorption Spectra 査読

Chihiro Maeda, Kazuto Takaishi, Tadashi Ema

ChemPlusChem 82 ( 12 ) 1368 - 1371 2017年12月

Induction of oxidative stress by anticancer drugs in the presence and absence of cells

Chikako Yokoyama, Yuto Sueyoshi, Mika Ema, Yumi Mori, Kazuto Takaishi, Hisashi Hisatomi

ONCOLOGY LETTERS 14 ( 5 ) 6066 - 6070 2017年11月

Quasi-Phase Diagrams at Air/Oil Interfaces and Bulk Oil Phases for Crystallization of Small-Molecular Semiconductors by Adjusting Gibbs Adsorption

Satoshi Watanabe, Takahisa Ohta, Rota Urata, Tetsuya Sato, Kazuto Takaishi, Masanobu Uchiyarna, Tetsuya Aoyama, Masashi Kunitake

LANGMUIR 33 ( 36 ) 8906 - 8913 2017年9月

Chiral Macrocyclic Organocatalysts for Kinetic Resolution of Disubstituted Epoxides with Carbon Dioxide

Tadashi Ema, Maki Yokoyama, Sagiri Watanabe, Sota Sasaki, Hiromi Ota, Kazuto Takaishi

ORGANIC LETTERS 19 ( 15 ) 4070 - 4073 2017年8月

Polymerization of 2,5-Diaminoterephthalic acid-Type Monomers for the Synthesis of Polyamides Containing Ladder Unit

Akihiro Yokoyama, Jinya Kuramochi, Ryohei Kiyota, Kazuki Kishimoto, Kazuto Takaishi, Tsutomu Yokozawa

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 55 ( 14 ) 2365 - 2372 2017年7月

Helical Oligonaphthodioxepins Showing Intense Circularly Polarized Luminescence (CPL) in Solution and in the Solid State

Kazuto Takaishi, Takahiro Yamamoto, Sakiko Hinoide, Tadashi Ema

CHEMISTRY-A EUROPEAN JOURNAL 23 ( 39 ) 9249 - 9252 2017年7月

Microcrystallization of a Solution-Processable Organic Semiconductor in Capillaries for High-Performance Ambipolar Field Effect Transistors

Satoshi Watanabe, Takuma Fujita, Jean-Charles Ribierre, Kazuto Takaishi, Tsuyoshi Muto, Chihaya Adachi, Masanobu Uchiyama, Tetsuya Aoyama, Mutsuyoshi Matsumoto

ACS APPLIED MATERIALS & INTERFACES 8 ( 27 ) 17574 - 17582 2016年7月

Conformational and Optical Characteristics of Unidirectionally Twisted Binaphthyl-Bipyridyl Cyclic Dyads

Kazuto Takaishi, Jun Suzuki, Tatsuya Yabe, Hikaru Asano, Michihiro Nishikawa, Daisuke Hashizume, Atsuya Muranaka, Masanobu Uchiyama, Akihiro Yokoyama

ORGANIC LETTERS 17 ( 16 ) 4098 - 4101 2015年8月

Ambipolar organic field-effect transistors based on solution-processed single crystal microwires of a quinoidal oligothiophene derivative

J. C. Ribierre, L. Zhao, S. Furukawa, T. Kikitsu, D. Inoue, A. Muranaka, K. Takaishi, T. Muto, S. Matsumoto, D. Hashizume, M. Uchiyama, P. Andre, C. Adachi, T. Aoyama

CHEMICAL COMMUNICATIONS 51 ( 27 ) 5836 - 5839 2015年

Thin reduced graphene oxide interlayer with a conjugated block copolymer for high performance non-volatile ferroelectric polymer memory

Dhinesh Babu Velusamy, Richard Hahnkee Kim, Kazuto Takaishi, Tsuyoshi Muto, Daisuke Hashizume, Soyoon Lee, Masanobu Uchiyama, Tetsuya Aoyama, Jean-Charles Ribierre, Cheolmin Park

ORGANIC ELECTRONICS 15 ( 11 ) 2719 - 2727 2014年11月

Helical π-systems of bidipyrrin-metal complexes

Hiromitsu Maeda, Takuma Nishimura, Akira Tsujii, Kazuto Takaishi, Kazuto Takaishi, Masanobu Uchiyama, Masanobu Uchiyama, Atsuya Muranaka, Atsuya Muranaka

Chemistry Letters 43 ( 7 ) 1078 - 1080 2014年7月

Oligonaphthofurans: Fan-shaped and three-dimensional π-compounds

Kentaro Nakanishi, Daisuke Fukatsu, Kazuto Takaishi, Kazuto Takaishi, Taiki Tsuji, Keita Uenaka, Kouji Kuramochi, Takeo Kawabata, Kazunori Tsubaki

Journal of the American Chemical Society 136 ( 19 ) 7101 - 7109 2014年5月

Non-volatile organic memory with sub-millimetre bending radius 査読

Richard Hahnkee Kim, Hae Jin Kim, Insung Bae, Sun Kak Hwang, Dhinesh Babu Velusamy, Suk Man Cho, Kazuto Takaishi, Tsuyoshi Muto, Daisuke Hashizume, Masanobu Uchiyama, Pascal Andre, Fabrice Mathevet, Benoit Heinrich, Tetsuya Aoyama, Dae-Eun Kim, Hyungsuk Lee, Jean-Charles Ribierre, Cheolmin Park

NATURE COMMUNICATIONS 5 2014年4月

Crystal structure of N-isopropylanthranilic acid trimer

Akihiro Yokoyama, Natsumi Kawano, Yuka Wada, Michihiro Nishikawa, Kazuto Takaishi, Tsutomu Yokozawa

X-ray Structure Analysis Online 30 35 - 36 2014年1月

Binaphthyl-based chiral macrocyclophanes with variously sized cavities: D-n-symmetrical structure constructed from unidirectionally-inclined rod segments

Kazuto Takaishi, Tatsuya Yabe, Masanobu Uchiyama, Akihiro Yokoyama

TETRAHEDRON 70 ( 3 ) 730 - 734 2014年1月

Chiroptical Control in Helical Receptor-Anion Complexes

Hiromitsu Maeda, Tomohiro Shirai, Yuya Bando, Kazuto Takaishi, Masanobu Uchiyama, Atsuya Muranaka, Tsuyoshi Kawai, Masanobu Naito

ORGANIC LETTERS 15 ( 23 ) 6006 - 6009 2013年12月

Chirality induction by formation of assembled structures based on anion-responsive π-conjugated molecules

Hiromitsu Maeda, Wataru Hane, Yuya Bando, Yoshitaka Terashima, Yohei Haketa, Hiroshi Shibaguchi, Tsuyoshi Kawai, Masanobu Naito, Masanobu Naito, Kazuto Takaishi, Kazuto Takaishi, Masanobu Uchiyama, Masanobu Uchiyama, Atsuya Muranaka, Atsuya Muranaka

Chemistry - A European Journal 19 ( 48 ) 16263 - 16271 2013年11月

Ion-based materials derived from positively and negatively charged chloride complexes of π-conjugated molecules

Bin Dong, Bin Dong, Tsuneaki Sakurai, Yuya Bando, Shu Seki, Kazuto Takaishi, Kazuto Takaishi, Masanobu Uchiyama, Masanobu Uchiyama, Atsuya Muranaka, Atsuya Muranaka, Hiromitsu Maeda

Journal of the American Chemical Society 135 ( 39 ) 14797 - 14805 2013年10月

Formation and Geometrical Control of Polygon-Like Metal-Coordination Assemblies

Hiromitsu Maeda, Ryo Akuta, Yuya Bando, Kazuto Takaishi, Masanobu Uchiyama, Atsuya Muranaka, Norimitsu Tohnai, Shu Seki

CHEMISTRY-A EUROPEAN JOURNAL 19 ( 35 ) 11676 - 11685 2013年8月

Formation of Cyclic and Polymeric Structures from Zwitterions

Harunobu Komatsu, Wataru Oi, Kazumasa Naritani, Kazuto Takaishi, Masanobu Uchiyama, Atsuya Muranaka, Hiromitsu Maeda

CHEMISTRY-A EUROPEAN JOURNAL 19 ( 22 ) 6956 - 6960 2013年5月

Two double helical modes of bidipyrrin-ZnII complexes

Hiromitsu Maeda, Takuma Nishimura, Ryo Akuta, Kazuto Takaishi, Masanobu Uchiyama, Atsuya Muranaka

Chemical Science 4 ( 3 ) 1204 - 1211 2013年3月

Light-driven Supramolecular Chiral Materials: Photoinduced Control of Liquid- crystalline Helical Structures and Non-destructive Erasable Molecular Memory for Photonic Applications

Masuki Kawamoto, Natsuki Shiga, Kazuto Takaishi, Takafumi Sassa, Takashi Yamashita, Yoshihiro Ito

LIQUID CRYSTALS XVII 8828 2013年

Exciton diffusion in near-infrared absorbing solution-processed organic thin films

H. -Y. Shin, J. H. Woo, M. J. Gwon, M. Barthelemy, M. Vomir, T. Muto, K. Takaishi, M. Uchiyama, D. Hashizume, T. Aoyama, D. -W. Kim, S. Yoon, J. -Y. Bigot, J. W. Wu, J. C. Ribierre

PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15 ( 8 ) 2867 - 2872 2013年

Fusion of Photochromic Reaction and Synthetic Reaction: Photoassisted Cyclization to Highly Strained Chiral Azobenzenophanes

Kazuto Takaishi, Masuki Kawamoto, Atsuya Muranaka, Masanobu Uchiyama

ORGANIC LETTERS 14 ( 13 ) 3252 - 3255 2012年7月

Photoinversion of Cisoid/Transoid Binaphthyls

Kazuto Takaishi, Atsuya Muranaka, Masuki Kawamoto, Masanobu Uchiyama

ORGANIC LETTERS 14 ( 1 ) 276 - 279 2012年1月

Optical and Charge Transport Properties of an Ambipolar Quinoidal Oligothiophene Derivative

J. C. Ribierre, K. Takaishi, L. Mager, T. Fujihara, T. Muto, M. Uchiyama, T. Aoyama

MOLECULAR CRYSTALS AND LIQUID CRYSTALS 566 2 - 7 2012年

Asymmetric Induction in the Preparation of Helical Receptor-Anion Complexes: Ion-Pair Formation with Chiral Cations

Yohei Haketa, Yuya Bando, Kazuto Takaishi, Masanobu Uchiyama, Atsuya Muranaka, Masanobu Naito, Hiroshi Shibaguchi, Tsuyoshi Kawai, Hiromitsu Maeda

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 51 ( 32 ) 7967 - 7971 2012年

Planar Chirality of Twisted trans-Azobenzene Structure Induced by Chiral Transfer from Binaphthyls

Kazuto Takaishi, Atsuya Muranaka, Masuki Kawamoto, Masanobu Uchiyama

JOURNAL OF ORGANIC CHEMISTRY 76 ( 18 ) 7623 - 7628 2011年9月

Flexible organic field-effect transistors and complementary inverters based on a solution-processable quinoidal oligothiophene derivative

J. C. Ribierre, K. Takaishi, T. Muto, T. Aoyama

OPTICAL MATERIALS 33 ( 9 ) 1415 - 1418 2011年7月

Influence of gate dielectric on the ambipolar characteristics of solution-processed organic field-effect transistors

J. C. Ribierre, S. Ghosh, K. Takaishi, T. Muto, T. Aoyama

JOURNAL OF PHYSICS D-APPLIED PHYSICS 44 ( 20 ) 2011年5月

Synthesis and Conformation of Substituted Chiral Binaphthyl-Azobenzene Cyclic Dyads with Chiroptical Switching Capabilities

Kazuto Takaishi, Masuki Kawamoto

MOLECULES 16 ( 2 ) 1603 - 1624 2011年2月

Helical Chirality of Azobenzenes Induced by an Intramolecular Chiral Axis and Potential as Chiroptical Switches

Kazuto Takaishi, Masuki Kawamoto, Kazunori Tsubaki, Taniyuki Furuyama, Atsuya Muranaka, Masanobu Uchiyama

CHEMISTRY-A EUROPEAN JOURNAL 17 ( 6 ) 1778 - 1782 2011年

Multibridged Chiral Naphthalene Oligomers with Continuous Extreme-Cisoid Conformation

Kazuto Takaishi, Masuki Kawamoto, Kazunori Tsubaki

ORGANIC LETTERS 12 ( 8 ) 1832 - 1835 2010年4月

Non-destructive erasable molecular switches and memory using light-driven twisting motions

Masuki Kawamoto, Natsuki Shiga, Kazuto Takaishi, Takashi Yamashita

CHEMICAL COMMUNICATIONS 46 ( 44 ) 8344 - 8346 2010年

Synthesis and properties of S,R-alternating octinaphthalenes

Kazuto Takaishi, Daisuke Sue, Shunsuke Kuwahara, Nobuyuki Harada, Takeo Kawabata, Kazunori Tsubaki

TETRAHEDRON 65 ( 31 ) 6135 - 6140 2009年8月

Photoswitching of Dextro/Levo Rotation with Axially Chiral Binaphthyls Linked to an Azobenzene

Kazuto Takaishi, Masuki Kawamoto, Kazunori Tsubaki, Tatsuo Wada

JOURNAL OF ORGANIC CHEMISTRY 74 ( 15 ) 5723 - 5726 2009年8月

Synthesis of Chiral Dotriacontanaphthalenes: How Many Naphthalene Units Are We Able To Elaborately Connect?

Daisuke Sue, Kazuto Takaishi, Takunori Harada, Reiko Kuroda, Takeo Kawabata, Kazunori Tsubaki

JOURNAL OF ORGANIC CHEMISTRY 74 ( 10 ) 3940 - 3943 2009年5月

Synthesis and biological evaluation of alkoxycoumarins as novel nematicidal constituents

Kazuto Takaishi, Minoru Izumi, Naomichi Baba, Kazuyoshi Kawazu, Shuhei Nakajima

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS 18 ( 20 ) 5614 - 5617 2008年10月

Three-component cascade energy transfer with use of oligonaphthalene skeletons

Kazunori Tsubaki, Kazuto Takaishi, Daisuke Sue, Kazunari Matsuda, Yoshihiko Kanemitsu, Takeo Kawabata

JOURNAL OF ORGANIC CHEMISTRY 73 ( 11 ) 4279 - 4282 2008年6月

Synthesis and determination of the absolute configuration of chiral tetracosanaphthalenes

Kazunori Tsubaki, Kazuto Takaishi, Daisuke Sue, Takeo Kawabata

Journal of Organic Chemistry 72 ( 11 ) 4238 - 4241 2007年5月

Synthesis and optical properties of the helical oligonaphthalenes

Kazuto Takaishi, Kazunori Tsubaki, Hiroyuki Tanaka, Masaya Miura, Takeo Kawabata

YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN 126 ( 9 ) 779 - 787 2006年9月

Bottom-up synthesis of optically active oligonaphthalenes: Three different pathways for controlling axial chirality

Kazunori Tsubaki, Hiroyuki Tanaka, Kazuto Takaishi, Masaya Miura, Hiroshi Morikawa, Takumi Furuta, Kiyoshi Tanaka, Kaoru Fuji, Takahiro Sasamori, Norihiro Tokitoh, Takeo Kawabata

JOURNAL OF ORGANIC CHEMISTRY 71 ( 17 ) 6579 - 6587 2006年8月

Long-range exciton-coupled circular dichroism: Application for determination of the absolute configuration of oligonaphthalenes

Kazunori Tsubaki, Kazuto Takaishi, Hiroyuki Tanaka, Masaya Miura, Takeo Kawabata

ORGANIC LETTERS 8 ( 12 ) 2587 - 2590 2006年6月

Synthesis and antinematodal activity of 3-n-alkylphenols

K Takaishi, Y Alen, K Kawazu, N Baba, S Nakajima

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY 68 ( 11 ) 2398 - 2400 2004年11月

STUDIES ON THE BACTERIAL CELL WALL .13. STUDIES ON THE CHEMICAL COMPOSITION OF BACTERIAL CELL WALLS AND SPORE MEMBRANES

Kazuto Takaishi

Journal of Bacteriology 1957年

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