Thermotropic liquid crystalline medicine: establishment of liquid crystalline properties and the X-ray phase structure analysis of immunosuppressant 2-amino-2-[2-(4-alkylphenyl)ethyl]propane-1,3-diol hydrochloride
Tomoyuki Shibuya, Kazuchika Ohta
Liq. Cryst., 50(6), 1007-1013, 2023
Spider dragline silk fibers maintain rectangular columnar liquid crystalline phase
Kenjiro Yazawa, Kazuchika Ohta
Liq. Cryst., printing, 2023
Discotic liquid crystals of transition metal complexes 60†: synthesis and π-acceptor abilities of novel discotic liquid crystals based on dithiolene nickel complex
Kazuchika Ohta, Hiroshi Hirazawa
Liq. Cryst., printing, 2023
A smectic T phase in hexadecyltrimethylammonium bromide
Kouki Sugiyama, Mikio Yasutake, Kazuchika Ohta
Liq. Cryst., 49(14), 1974-1982, 2022
Discotic liquid crystals of silicon phthalocyanine-based singledeckers and doubledeckers: Influence of the axial substituent groups on their mesomorphism
Keiji Itoh, Nagao Kobayashi, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 25(3), 188-201, 2021
Discotic liquid crystals of transition metal complexes 58: Novel phthalocyanine-based mesogenic monomers and polymers exhibiting spontaneous homeotropic alignment and helical tetragonal columnar structure
Ayumi Suzuki-Ichihara, Makiko Sugibayashi-Kajita, Masahiro Ariyoshi, Mikio Yasutake, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 25(9), 800-817, 2021
Discotic liquid crystals of transition metal complexes 59: parity effect of the number of d-electrons on the columnar mesomorphism and homeotropic alignment of 1,4-diazatriphenylenocyaninato metal(II) complexes
Masahiro Shichi, Mikio Yasutake, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 25(9), 843-857, 2021
Discotic liquid crystals of transition metal complexes 57: X-ray diffraction halo jumps originated from sudden free rotation of substituent groups to induce mesomorphism
akahiro Nishiguchi, Kouki Sugiyama, Hiromu Nakamura, Mikio Yasutake, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 24, 563-576, 2020
Microwave-assisted Synthesis of Phthalocyanine Metal Complexes: Relationship between Yield and Maximum Temperature Reached by Microwave Irradiation
Kanta Abe, Satoshi Katano, Kazuchika Ohta
Journal of the Japan Petroleum Institute, 61, 140-149, 2018
Discotic liquid crystals of transition metal complexes 56: Synthesis of mesogenic phthalocyanine-fullerene dyads and Influence of the substitution position of alkoxy chains and the kind of terminal groups on appearance of the helical supramolecular structure
Kohei Ishikawa, Ayumi Watarai, Mikio Yasutake, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 22, 693-715, 2018
Discotic liquid crystals of transition metal complexes, 55: Novel chlorine-substituted phthalocyanine derivatives showing mesomorphism and low HOMO energy level
Masashi Yatabe, Akio Kajitani, Mikio Yasutake, Kazuchika Ohta
J. Porphyrins Phthalocyanines, 22, 32-45, 2018
Supercooling of functional alkyl-π molecular liquids
Fengniu Lu, Keumhee Jang, Izabela Osica, Keita Hagiwara, Michito Yoshizawa, Masashi Ishii, Yoshiaki Chino, Kazuchika Ohta, Kinga Ludwichowska, Krzysztof Jan Kurzydłowski, Shinsuke Ishihara, Takashi Nakanishi
Chemical Science, 9, 6774-6778, 2018
Linear algebraic proof and examples of composite-lattice-based liquid crystalline phases
Kazuchika Ohta
Mol. Cryst. Liq. Cryst., 658, 13-31, 2017
有機金属錯体液晶の物性解明と応用
太田 和親
日本液晶学会誌「液晶」, 21, 6-24, 2017
カーボンナノチューブのマイクロ波加熱による高速合成
太田 和親
JEMEA-Bulletin, 3(1), 3-6, 2017
Trimethylsilyl Group Assisted Stimuli Response: Self-Assembly of 1,3,6,8-Tetrakis((trimethysilyl)ethynyl)pyrene
Xu, Feng; Nishida, Takanori; Shinohara, Kenta; Peng, Lifen; Takezaki, Makoto; Kamada, Takahiro; Akashi, Haruo; Nakamura, Hiromu; Sugiyama, Kouki; Ohta, Kazuchika; Orita, Akihiro; Otera, Junzo,
Organometallics, 36(3), 556-563, 2017
Discotic Liquid Crystals of Transition Metal Complexes 54: Rapid microwave-assisted synthesis and homeotropic alignment of phthalocyanine-based liquid crystals
Toshiyuki Akabane, Kazuchika Ohta, Tokihiro Takizawa, Takehiro Matsuse, and Mutsumi Kimura
J. Porphyrins Phthalocyanines, 21(7-8), 476-492, 2017
Stimuli-Responsive Properties for Liquid Phthalocyanines
Yoshiaki Chino, Avijit Ghosh, Takashi Nakanishi, Nagao Kobayashi, Kazuchika Ohta and Mutsumi Kimura
Chem. Lett., 46(10), 1539-1541, 2017
Flying-seed-like liquid crystals 7: Synthesis and mesomorphism of novel octakis(m-chloropyridyloxy) phthalocyanato copper(II) complexes
Kazuchika Ohta, Kaori Adachi and Mikio Yasutake,
J. Porphyrins Phthalocyanines, 21(1), 48-58, 2017
Biaxial Nematic Phase of Crank-like Bis(β-diketonato)copper(II) Complexes Established by X-ray Diffraction and Z-value Calculations
Yoriko Kanai, Hajime Akimoto and Kazuchika Ohta,
Mol. Cryst. Liq. Cryst., 648(1), 130-147, 2017
Discotic Liquid Crystals of Transition Metal Complexes 53: synthesis and mesomorphism of phthalocyanines substituted by m-alkoxyphenylthio groups
Yoshiaki Chino, Kazuchika Ohta, Mutsumi Kimura and Mikio Yasutake
J. Porphyrins Phthalocyanines, 21(3), 159-178, 2017
Phthalocyanine-based discotic liquid crystals switching from a molten alkyl chain type to a flying-seed-like type
Hiromu Nakamura, Kouki Sugiyama, Kazuchika Ohta and Mikio Yasutake
J. Mater. Chem. C, 5(29), 7297-7306, 2017
Topological Control of Columnar Stacking Made of Liquid-Crystalline Thiophene-Fused Metallonaphthalocyanines
Hiroyuki Suzuki, Koki Kawano, Kazuchika Ohta, Yo Shimizu, Nagao Kobayashi, and Mutsumi Kimura.
Chemistry Open, 5(2), 150-156, 2016
Preparation of a Cyclic Polyphenylene Array for a Chiral-Type Carbon Nanotube Segment
Ryuta Sekiguchi, Shun Kudo, Jun Kawakami, Atsushi Sakai, Hiroshi Ikeda, Hiromu Nakamura, Kazuchika Ohta and Shunji Ito
Bull. Chem. Soc., Jpn., 89(10), 1260-1275, 2016
Flying-seed-like liquid crystals 6: Synthesis and Mesomorphism of Phthalocyanine Derivatives Substituted by Pentafluorosulfanylphenoxy
Ayumi Watarai , Kazuchika Ohta and Mikio Yasutake
J. Porphyrins Phthalocyanines, 20(7), 822-832, 2016
Discotic Liquid Crystals of Transition Metal Complexes 52: Synthesis and homeotropic alignment of liquid-crystalline phthalocyanine-fullerene dyad bridged by vanillin
Ayumi Watarai, Kazuchika Ohta, Mikio Yasutake
J. Porphyrins Phthalocyanines, 20(12), 1444-1456, 2016
Preparation of a Cyclic Polyphenylene Array for a Zigzag-Type Carbon Nanotube Segment
Sekiguchi, Ryuta; Takahashi, Kei; Kawakami, Jun; Sakai, Atsushi; Ikeda, Hiroshi; Ishikawa, Aya; Ohta, Kazuchika; Ito, Shunji
The Journal of Organic Chemistry, 80(10), 5092-5110, 2015
Molecular Designs for Enhancement of Polarity in Ferroelectric Soft Materials
Ohtani Ryo; Nakaya Manabu; Ohmagari Hitomi; Nakamura Masaaki; Hayami Shinya; Ohta Kazuchika; Lindoy Leonard F; Hayami Shinya
SCIENTIFIC REPORTS, 5, 16606, 2015
Liquid Crystals of Phthalocyanine-Fullerene Dyads Exhibiting Homeotropic Alignment and Spiranthes-like Supramolecular Structure Useful for Solar Cells
Ayumi Watarai, Shin-nosuke Yajima, Aya Ishikawa, Kenta Ono, Mikio Yasutake and Kazuchika Ohta
ECS Transactions, 66(16), 21-43, 2015
Flying-seed-like liquid crystals 4: a novel series of bulky substituents inducing mesomorphism instead of using long alkyl chains
Miho Yoshioka, Kazuchika Ohta and Mikio Yasutake
RSC Advances, 5(18), 13828-13839, 2015
Flying-seed-like liquid crystals 5: Liquid crystals based on octakisphenylthiophthalocyanine and their optical properties
Aya Ishikawa, Kazuchika Ohta and Mikio Yasutake
J. Porphyrins Phthalocyanines, 19(5), 639-650, 2015
Molecular rope curtain "Type of liquid crystals based on a sliding graft copolymer having mobile PEG side chains
Jun Araki, Hiroyuki Sato, Yasufumi Takagi and Kazuchika Ohta
Mol. Cryst. Liq. Cryst., 592(1), 99-105, 2014
Liquid Crystalline and Luminescent Behavior of Lanthanide Complexes Composed of Terbium or Europium and Dendritic Amphiphile
Tomoyuki Itaya, Ayaha Hachisuga, Kazuchika Ohta, Daniela Pucci, Elisabeta I. Szerb, Massimo La Deda and Mauro Ghedini
Mol. Cryst. Liq. Cryst., 605(1), 70-81, 2014
Synthesis of carbon nanotubes by microwave heating: Influence of diameter of catalytic Ni nanoparticles on diameter of CNTs
Kazuchika Ohta, Toshiki Nishizawa, Takahiro Nishiguchi, Ryo Shimizu, Yoshiyuki Hattori, Shuji Inoue, Masakazu Katayama, Kazuhiko Mizu-uchi and Takumi Kono
J. Mater. Chem. A, 2(8), 2773-2780, 2014
Discotic liquid crystals of transition metal complexes 50: Spiranthes-like Supramolecular Structure of Phthalocyanine-fullerene Dyads
Aya Ishikawa, Kenta Ono, Kazuchika Ohta, Mikio Yasutake, Musubu Ichikawa and Eiji Itoh
J. Porphyrins Phthalocyanines, 18(5), 366-379, 2014
Discotic Liquid Crystals of Transition Metal Complexes 51: Synthesis and mesomorphism of flat-pumpkin-shaped phthalocyanine-fullerene dyads
Miho Yoshioka, Kazuchika Ohta, Yohei Miwa, Shoichi Kutsumizu and Mikio Yasutake
J. Porphyrins Phthalocyanines, 18(10-11), 856-868, 2014
Dimensionality and Hierarchy of Liquid Crystalline Phases: X-ray Structural Analysis of the Dimensional Assemblies(液晶相の次元性と階層性:その次元性集合体のX線構造解析)
K. Ohta
The Repository of Shinshu University, 1-28, 11 May 2013
Ion-Pair-Based Assemblies Comprising Pyrrole–Pyrazole Hybrids
Hiromitsu Maeda, Kengo Chigusa, Tsuneaki Sakurai, Kazuchika Ohta, Shinobu Uemura, and Shu Seki
Chem. Eur. J., 19(28), 9224-9233, 2013
Discotic Liquid Crystals of Transition Metal Complexes 48: Synthesis of novel phthalocyanine-fullerene dyads and effect of a methoxy group on their clearing points
Masahiro Shimizu, Lisa Tauchi, Takahiro Nakagaki, Aya Ishikawa, Eiji Itoh and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 17(4), 264-282, 2013
Discotic Liquid Crystals of Transition Metal Complexes 49: Establishment of helical structure of fullerene moieties in columnar mesophase of phthalocyanine-fullerene dyads
L. Tauchi, T. Nakagaki, M. Shimizu, E. Itoh, M. Yasutake, K. Ohta
J. Porphyrins Phthalocyanines, 17(11), 1080-1093, 2013
Flying-seed-like liquid crystals 3: New guideline for induction of mesomorphism by using bulky groups instead of long alkyl chains
A. Hachisuga, M. Yoshioka, K. Ohta, T. Itaya
J. Mater. Chem. C, 1, 5315-5321, 2013
Flying-seed-like liquid crystals 2: unprecedented guidelines to obtain liquid crystalline compounds
Takagi, Yasufumi; Ohta, Kazuchika; Shimosugi, Shota; Fujii, Tatsuya; Itoh, Eiji
J. Org. Chem., 22(29), 14418-14425, 2012
Structural, photophysical, and mesomorphic properties of luminescent platinum(II)-salen schiff base complexes
Yuriko Abe, Yuko Takagi, Miyuki Nakamura, Takae Takeuchi, Tomoaki Tanase, Miho Yokokawa, Hidetomo Mukai, Takashi Megumi, Ayaha Hachisuka, Kazuchika Ohta
Inorg. Chim. Acta, 392, 254-260, 2012
Discotic Liquid Crystals of Transition Metal Complexes 44: synthesis of hexaphenoxy-substituted phthalocyanine derivatives showing spontaneous perfect homeotropic alignment
Ariyoshi, Masaaki; Sugibayashi-Kajita, Makiko; Suzuki-Ichihara, Ayumi; Kato, Takayuki; Kamei, Tenpei; Itoh, Eiji; Ohta, Kazuchika
J. Porphyrins Phthalocyanines, 16(10), 1114-1123, 2012
Discotic Liquid Crystals of Transition Metal Complexes 45: parity effect of the number of d-electrons on stacking distances in the columnar mesophases of octakis-(m-alkoxyphenoxy)phthalocyaninato metal(II) complexes
Sato, Hiroyuki; Igarashi, Kensaku; Yama, Yoshitaka; Ichihara, Masahiro; Itoh, Eiji; Ohta, Kazuchika
J. Porphyrins Phthalocyanines, 16(10), 1148-1158, 2012
Discotic Liquid Crystals of Transition Metal Complexes 46: mesomorphism and antagonist solubility of octaphenoxy-phthalocyaninato copper(II) complex substituted by oligoether chains
Sato, Hiroyuki; Sakagami, Yuya; Itoh, Eiji; Ohta, Kazuchika
J. Porphyrins Phthalocyanines, 16(11), 1209-1216, 2012
Discotic Liquid Crystals of Transition Metal Complexes 47(+): synthesis of phthalocyanine-fullerene dyads showing spontaneous homeotropic alignment
Kamei, Tenpei; Kato, Takayuki; Itoh, Eiji; Ohta, Kazuchika
J. Porphyrins Phthalocyanines, 16(12), 1261-1275, 2012
Ferroelectric and mesomorphic properties of oxovanadium(IV) complexes with long alkoxy chains
A. Ohta, Y. Yamamoto, H. Kamihata, Y.H. Jee, F. Ichikawa, K. Ohta, Y. Abe, N. Hoshino, M. Kojima, S. Hayashi
Inorg. Chem. Commun., 16, 89-91, 2012
Columnar mesophases constructed by hierarchical selforganization of rod-like diacetylene molecules
Tomoyo Shimogaki, Satoshi Dei, Kazuchika Ohta and Akikazu Matsumoto
J. Mater. Chem., 21, 10730-10737, 2011
Development of a Novel Method to Synthesize Carbon Nanotubes from Granulated Polystyrene and Nickel Nanoparticles by Microwave Heating
Yasufumi Takagi, Lisa Tauchi, Huy-Dahn Nguyen-Tran, Tomohiro Ohta, Masahiro Shimizu and Kazuchika Ohta
J. Mater. Chem., 21, 14569-14574, 2011
Discotic Liquid Crystals of Transition Metal Complexes 42: the detailed phase structures and phase transition mechanisms of two Cub mesophases shown by discotic liquid crystals based on phthalocyanine metal complexes
Hidetomo Mukai, Miho Yokokawa, Masahiro Ichihara, Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 14(2), 188-197, 2010
Discotic Liquid Crystals of Transition Metal Complexes 43: effect of the length of alkoxy chains at the m-positions in phenoxy groups on mesomorphism for the novel octaphenoxyphthalocyaninato copper(II) and terbium(III) complexes
Hidetomo Mukai, Miho Yokokawa Kazuaki Hatsusaka and Kazuchika Ohta
Liq. Cryst., 37(1), 13-21, 2010
Discotic columnar mesophases derived from ‘rod-like’ π-conjugated anion-responsive acyclic oligopyrroles
Hiromitsu Maeda, Yoshitaka Terashima, Yohei Haketa, Atsushi Asano, Yoshihito Honsho, Shu Seki, Masahiro Shimizu, Hidetomo Mukai and Kazuchika Ohta
J. Chem. Soc., Chem. Commun., 46(25), 4559-4561, 2010
Synthesis and liquid crystalline behavior of azulene-based liquid crystals with 6-hexadecyl substituents on each azulene ring
Kosuke Nakagawa, Takahiro Yokoyama, Kozo Toyota, Noboru Morita, Shunji Ito, Shota Tahata, Mao Ueda, Jun Kawakami, Miho Yokokawa, Yoriko Kanai, Kazuchika Ohta
Tetrahedron, 66(42), 8304-8312, 2010
Development of Facile Synthetic Methods of Carbon Nanotubes by Using a Domestic Microwave Oven
Yusaku Takagaki, Huy-Danh Nguyen-Tran and Kazuchika Ohta
Bull. Chem. Soc., Jpn., 83(9), 1100-1106, 2010
Development of novel synthetic method of carbon nanotubes from electrospun polystyrene fibers by using microwave heating
Tomohiro Ohta, Takeru Ito, Masahiro Shimizu, Lisa Tauchi, Huy-Danh Nguyen-Tran, Jong-Chul Park, Byoung-Suhk Kim, Ick-Soo Kim, and Kazuchika Ohta
Polym. Adv. Technol., 22(12), 2653–2658, 2010
Discotic Liquid Crystals of Transition Metal Complexes 40: Unique Double Clearing Behavior of a Series of Novel Discotic Metallomesogen Based on Bis(phthalocyaninato)europium(III) Complexes
Hidetomo Mukai, Miho Yokokawa, Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 13(1), 70-76, 2009
Very Unique Liquid Crystalline Phase Structures Having Two-dimensional Silver Sheet for the Adducts of Phenazine and Silver Alkylsulfonates
Tomoyuki Itaya, Masahiro Ichihara, Makiko Sugibayashi, Hwa-Tai Lin and Kazuchika Ohta
Mol. Cryst. Liq. Cryst., 503, 69-80, 2009
Mesogenic and magnetic behavior in cobalt(II) and iron(II) compounds with long alkyl chains
Hayami, Shinya; Kojima, Yoshihiro; Urakami, Daisuke; Ohta, Kazuchika; Inoue, Katsuya
Monatshefte fuer Chemie, 140(7), 829-838, 2009
Mesophase and magnetic behavior in cobalt(II) and iron(II) compounds
Hayami, Shinya; Kojima, Yoshihiro; Urakami, Daisuke; Ohta, Kazuchika; Inoue, Katsuya
Polyhedron, 28(9-10), 2053-2057, 2009
Organization of single-walled carbon nanotubes wrapped with liquid-crystalline π-conjugated oligomers
Kimura, Mutsumi; Miki, Noritoshi; Adachi, Naoya; Tatewaki, Yoko; Ohta, Kazuchika; Shirai, Hirofusa
J. Mater. Chem., 19(8), 1086-1092, 2009
Discotic Liquid Crystals of Transition Metal Complexes 41: Influence of the Rare Earth Metal Ions on Clearing Points of Sandwich Type of Bis[octakis(3,4-didodecyloxyphenoxy)-phthalocyaninato]lanthanoid(III) Complexes
Hidetomo Mukai, Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 13(8-9), 927-932, 2009
円盤状金属錯体液晶の超分子配向制御と電子材料への応用
太田和親
応用物理学会有機分子・バイオエレクトロニクス分科会会誌, 19, 107-110, 2008
金属錯体液晶の最近の進歩
太田 和親、向井 秀知
日本液晶学会誌「液晶」, 12, 231-246, 2008
シアノビフェニル基末端に持つフラロデンドロンの合成と液晶性
酒向祐輝, 高口 豊, 市原正寛、太田和親
繊維学会誌, 64(11), 324-328, 2008
Discotic Liquid Crystals of Transition Metal Complexes 38: Synthesis and Peripheral Chain Substituent Position Effect on Columnar Mesophase and Stacking Structures of Novel Phthalocyanine-based Liquid Crystals
Masahiro Ichihara, Ayumi Suzuki, Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 11(7), 503-512, 2007
Liquid Crystalline Behavior of Adducts Between Pyridazine and Silver Alkylsulfonates
Tomoyuki Itaya, Masahiro Ichihara, Makiko Sugibayashi, Hwa-Tai Lin and Kazuchika Ohta
Mol. Cryst. Liq. Cryst., 474, 29-41, 2007
Spin Transition at the Mesophase Transition Temperature in a Cobalt(II) Compound with Branched Alkyl Chains
Shinya Hayami, Reiko Moriyama, Aya Shuto, Yonezo Maeda, Kazuchika Ohta, and Katsuya Inoue
Inorg. Chem., 46, 7692-7694, 2007
Discotic Liquid Crystals of Transition Metal Complexes 39: Columnar Mesomorphism and Homeotropic Alignment Speed of Sandwich Type of Double-deckers and Triple-deckers based on Phthalocyaninato Lutetium Metal Complexes
Hidetomo Mukai, Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 11(12), 846-856, 2007
Syntheses, structures, and mesomorphism of a series of Cu(II) salen complexes with 4-substituted long alkoxy chains
Abe, Y; Nakazima, N; Tanase, T; Katano, S; Mukai, H; Ohta, K
Mol. Cryst. Liq. Cryst., 466, 129-147, 2007
Different disk structures in the hexagonal columnar mesophases of 2,3-dicyano-6,7,10,11-tetraalkoxy-1,4-diazatriphenylenes and 2,3-dicyano-6,7,10,11-tetraalkoxytriphenylenes
Ichihara, M; Suzuki, H; Mohr, B; Ohta, K
Liq. Cryst., 34(3), 401-410, 2007
Discotic Liquid Crystals of Transition Metal Complexes 37: a thermotropic cubic mesophase having Pn3m symmetry exhibited by phthalocyanine-based derivatives
Ichihara, M; Suzuki, A; Hatsusaka, K; Ohta, K
Liq. Cryst., 34(5), 555-567, 2007
Self-Organization of Low-Symmetry Adjacent-type Metallophthalocyanines Having Branched Alkyl Chains
Mutsumi Kimura;Hiroyuki Ueki;Kazuchika Ohta;Hirofusa Shirai;Nagao Kobayashi
LANGMUIR, 22(11), 5051-5056, 2006
Syntheses, Structures, and Mesomorphism of a Series of Ni(II) Salen Complexes with 4-Substituted Long Alkoxy Chains,
Yuriko Abe;Hiroko Akao;Yukiko Yoshida;Hiroshi Takashima;Tomoaki Tanase;Hidetomo Mukai;Kazuchika Ohta
Inorg. Chim. Acta, 359(10), 3147-3155, 2006
Syntheses, Structures, and Mesomorphic Properties of Two Series of Oxovanadium(IV) Salen and Salpn Complexes with 4-Substituted Long Alkoxy Chains
Yuriko Abe;Kyoko Nakabayashi;Nahoko Matsukawa;Hiroshi Takashima;Masayasu Iida;Tomoaki Tanase;Makiko Sugibayashi;Hidetomo Mukai;Kazuchika Ohta
Inorg. Chim. Acta, 359(12), 3934-3946, 2006
Photoreactivity of Tetra-Substituted Anthracene Derivatives and Their Mesophases
Yasushi Yanagimoto;Yutaka Takaguchi;Sadao Tsuboi;Masahiro Ichihara;Kazuchika Ohta
Bull. Chem. Soc., Jpn., 79(8), 1265-1270, 2006
Self-organization and Photoreactivity of Anthryl Dendron Having Perfluoroalkyl Chains at The Terminals
Yasushi Yanagimoto Yutaka Takaguchi;Yuuki Sako;Sadao Tsuboi;Masahiro Ichihara;Kazuchika Ohta
Tetrahedron, 62(35), 8373-8378, 2006
Flying-seed-like Liquid Crystals
Kazuchika Ohta;Tomoyuki Shibuya;Masahiro Ando
J. Mater. Chem., 16, 3635-3639, 2006
Discotic Liquid Crystals of Transition Metal Complexes 36: Syntheses and Mesomorphic Properties of Very Large Discotic Liquid Crystals Based on Tc and Tz Cores120
Masahiro Ichihara, Masakazu Miida, Bernhard Mohr and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 10(9-10), 1145-1155, 2006
Fabrication and photocatalytic activity of fullerodendron/CaCO3 composites
Talukdar, B; Takaguchi, Y; Yanagimoto, Y; Tsuboi, S; Ichihara, M; Ohta, K
Bull. Chem. Soc., Jpn., 79(12), 1983-1987, 2006
Synthesis and Properties of Hexakis(6-octyl-2-azulenyl)benzene as a Multielectron Redox System with Liquid Crystalline Behavior,
S. Ito;M. Ando;A. Nomura;N. Morita;C. Kabuto;H. Mukai;K. Ohta;J. Kawakami;A. Yoshizawa;A. Tajiri
J. Org. Chem., 70(10), 3939-3949, 2005
Rapid synthesis of phthalocyanine-based discotic liquid crystals by using a novel hand-made microwave-heating apparatus
Keisuke Ooi;Fumihiro Maeda;Kazuchika Ohta;Tokihiro Takizawa;Takehiro Matsuse
J. Porphyrins Phthalocyanines, 9(8), 544-553, 2005
Formation of Metallosupramolecular Polymers within Highly Ordered Silica Mesochannels
Mutsumi Kimura;Yayoi Iwashima;Kazuchika Ohta;Kenji Hanabusa;Hirofusa Shirai
Macromolecules, 38(12), 5055-5059, 2005
A New Series of Oxovanadium(IV) Salen Complexes with 4-Substituted long Alkoxy Chains: Novel Biomembrane-like Bilayer Crystal Structures without the V=O Unites and Mesomorphic Behavior
Yuriko Abe;Kyoko Nakabayashi;Nahoko Matsukawa;Masayasu Iida;Tomoaki Tanase;Makiko Sugibayashia;Kazuchika Ohta
Inorg. Chem. Commun., 7(4), 580-583, 2004
Formation of thermotropic and lyotropicliquid crystals of bis(N-alkylethylenediamine)silver(I) nitrate
Masayasu Iida;Michiko Inoue;Tomoaki Tanase;Takae Takeuchi;Makiko Sugibayashi;Kazuchika Ohta
Eur. J. Inorg. Chem., (19), 3920-3929, 2004
Nanoscopic fibrous assemblies made of metallophthalocyanine-terminated amphiphilic polymers
Mutsumi Kimura;Hiroyuki Ueki;Kazuchika Ohta;Kenji Hanabusa;Hirofusa Shirai;Nagao Kobayashi
CHEMISTRY-A EUROPEAN JOURNAL, 10(20), 4954-4959, 2004
Time-of-Flight Analysis of Charge Mobility in a Cu-phthalocyanine-based Discotic Liquid Crystal Semiconductor
Hideo Fujikake;Takeshi Murashige;Makiko Sugibayashi;Kazuchika Ohta
Appl. Phys. Lett., 85(16), 3474-3476, 2004
Discotic liquid crystalline semiconductors
Kazuchika Ohta;Kazuaki Hatsusaka;Makiko Sugibayashi;Masahiro Ariyoshi;Kazue Ban;Fumihiro Maeda;Rie Naito;Kaoru Nishizawa;Anick M. van de Craats;John M. Warman
Mol. Cryst. Liq. Cryst., 397(1), 325-345, 2003
Discotic Liquid Crystals of Transition Metal Complexes 33: Spontaneous uniform homeotropic alignment and unique mesophase transition behavior of bis[2,3,9,10,16,17,23,24-octakis(3,4-dialkoxyphenoxy)phthalocyaninato]lutetium(III) complexes
Kazuaki Hatsusaka, Mutsumi Kimura and Kazuchika Ohta
Bull. Chem. Soc., Jpn., 76(4), 781-787, 2003
Unique Molecular Structure and Properties of Novel Purple Intermediates of Phthalocyanine Derivative
Fumihiro Maeda, Kenjiro Uno, Kazuchika Ohta, Makiko Sugibayashi, Naotake Nakamura, Takehiro Matsuse and Mutsumi Kimura
J. Porphyrins Phthalocyanines, 7(1), 58-69, 2003
Discotic Liquid Crystals of Transition Metal Complexes 34: Spectroscopic Properties of Bis[octakis(3,4-dialkoxyphenoxy)phthalocyaninato]lutetium(III) Complexes
Kazuaki Hatsusaka and Kazuchika Ohta
J. Porphyrins Phthalocyanines, 7(2), 105-111, 2003
Discotic Liquid Crystals of Transition Metal Complexes 35: Establishment of a unique mesophase in bis(octaalkoxyphthalocyaninato)lutetium(III) complexes
Fumihiro Maeda, Kazuaki Hatsusaka, Kazuchika Ohta and Mutsumi Kimura
J. Mater. Chem., 13(2), 243-251, 2003
Intra- and Intermolecular Photochemical Properties of Poly(amidoamine) Dendrons with an Anthracene at Focal Point
M. Fujitsuka, O. Ito, Y. Takaguchi, T. Tajima, K. Ohta, J. Motoyoshiya, and H. Aoyama
Bull. Chem. Soc., Jpn., 76(4), 743-747, 2003
Synthesis of poly(6-azulenylethynyl)benzene derivatives as a multielectron redox system with liquid crystalline behavior
Shunji Ito, Haruki Inabe, Noboru Morita, Kazuchika Ohta, Teruo Kitamura, and Kimiaki Imafuku
J. Am. Chem. Soc., 125(6), 1669-1680, 2003
Preparation of organic inorganic composites containing rod-like phthalocyanine polymers
Mutsumi Kimura, Kazumi Wada, Yayoi Iwashima, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai, Nagao Kobayashi
Chem. Commun, (19), 2504-2505, 2003
Self-Organization of Hydrogen-Bonded Optically Active Phthalocyanine Dimers.
Kimura, Mutsumi; Kuroda, Takahisa; Ohta, Kazuchika; Hanabusa, Kenji; Shirai, Hirofusa; Kobayashi, Nagao
LANGMUIR, 19(11), 4825-4830, 2003
Self-Assembly and Regioselective Photodimerization of Anthracene Having a Dendritic Substituent.
Takaguchi, Yutaka; Tajima, Tomoyuki; Yanagimoto, Yasushi; Tsuboi, Sadao; Ohta, Kazuchika; Motoyoshiya, Jiro; Aoyama, Hiromu.
ORGANIC LETTERS, 5(10), 1677-1679, 2003
Selective Ligation to Sterically Isolated Metallophthalocyanines
Kimura, Mutsumi; Sakaguchi, Ayumu; Ohta, Kazuchika; Hanabusa, Kenji; Shirai, Hirofusa; Kobayashi, Nagao
Inorg. Chem., 42(9), 2821-2823, 2003
ディスコティック液晶相のX線構造解析による同定
太田和親
日本液晶学会誌「液晶」, 6, 61-71, 2002
Science and Technology of Discotic Liquid Crystalline Semiconductors
Kazuchika Ohta
日本液晶学会誌「液晶」, 6, 13-21, 2002
Reversible binding of C-60 to an anthracene bearing a dendritic poly(amidoamine) substituent to give a water-soluble fullerodendrimer
Yutaka Takaguchi, Tomoyuki Tajima, Kazuchika Ohta, Jiro Motoyoshiya, Hiromu Aoyama, Takatsugu Wakahara, Takeshi Akasaka, Mamoru Fujitsuka, and Osamu Ito
Angew. Chem., Int. Ed., 41(5), 817-819, 2002
Synthesis and Characterization of a Poly(amide amine) Dendrimer Disulfide Having Hydroxy Groups as the Terminals
Y. Takaguchi, K. Saito, S. Suzuki, K. Hamada, K. Ohta, J. Motoyoshiya, and H. Aoyama,
Bull. Chem. Soc., Jpn., 75(6), 1347-1351, 2002
Discotic Liquid Crystals of Transition Metal Complexes 32: Synthesis and liquid-crystalline properties of doubledeckers and tripledeckers based on cerium complexes of bis- and tetrakis(3,4-dialkoxyphenyl) porphyrin
Teruhisa Nakai, Kazue Ban, Kazuchika Ohta and Mutsumi Kimura
J. Mater. Chem., 12(4), 844-850, 2002
Self-Organization of Supramolecular Complex Composed of Rigid Dendric Porphyrin and Fulleren
M. Kimura, Y. Saito, K. Ohta, K. Hanabusa, H. Shirai, and N. Kobayashi
J. Am. Chem. Soc., 124(19), 5274-5275, 2002
Star-Shaped Stilbenoid Phthalocyanines
M. Kimura, H. Narikawa, K. Ohta, K. Hanabusa, H. Shirai, and N. Kobayashi
Chem. Mater., 14(6), 2711-2717, 2002
Aggregation Behavior of Amphiphilic Phthalocyanine Block Copolymers.
Mutsumi Kimura, Hiroyuki Ueki, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai, Nagao Kobayashi
LANGMUIR, 18(20), 7683-7687, 2002
Photodimerization of Anthracene Having Dendritic Substituent within the Vaterite Crystal of CaCO3
Y. Takaguchi, Y. Yanagimoto, T. Tajima, K. Ohta, J. Motoyoshiya, and H. Aoyama
Chem. Lett., (11), 1102-1103, 2002
Discotic Liquid Crystals of Transition Metal Complexes 28: Temperature- dependent Electronic Spectra and X-ray Structural Analysis of Discotic Liquid Crystalline Bis(octakisdodecyloxy-phthalocyaninato)lutetium(III) Complex
Rie Naito, Kazuchika Ohta and Hirofusa Shirai
J. Porphyrins Phthalocyanines, 5(1), 44-50, 2001
Discotic Liquid Crystals of Transition Metal Complexes 29: Mesomorphism and Charge Transport Properties of Alkylthio-substituted Phthalocyanine Rare-earth Metal Sandwich Complexes
Kazue Ban, Kaoru Nishizawa, Kazuchika Ohta, Anick M. van de Craats, John M. Warman, Iwao Yamamoto and Hirofusa Shirai
J. Mater. Chem., 11(2), 321-331, 2001
Discotic Liquid Crystals of Transition Metal Complexes 30: Spontaneous Uniform Homeotropic Alignment of Octakis(dialkoxyphenoxy)phthalocyaninato Copper(II) Complexes
Kazuaki Hatsusaka, Kazuchika Ohta, Iwao Yamamoto and Hirofusa Shirai
J. Mater. Chem., 11(2), 423-433, 2001
Discotic Liquid Crystals of Transition Metal Complexes 31: Establishment of Mesomorphism and Thermochromism of Bis[1,2-di(4-n-alkoxyphenyl)ethane- 1,2-dithiolene]nickel Complexes
Hiroko Horie, Akira Takagi, Hiroshi Hasebe, Kazuchika Ohta and Iwao Yamamoto
J. Mater. Chem., 11(4), 1063-1071, 2001
Organic Inorganic Composites Comprised of Ordered Stacks of Amphiphilic Molecular Discs
M. Kimura, K. Wada, K. Ohta, K. Hanabusa, H. Shirai and N. Kobayashi
J. Am. Chem. Soc., 123(10), 2438-2439, 2001
Preparation of Ordered Stacked Phthalocyanine Polymers through Olefin Metathesis Reaction
Mutsumi Kimura, Kazumi Wada, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai and Nagao Kobayashi
Macromolecules, 34(14), 4706-4711, 2001
Solid dimorphism of tetra-arylcyclobutadienecobalt derivatives bearing long aliphatic lateral groups
Yamanishi, H; Tomita, I; Ohta, K; Endo, T
Mol. Cryst. Liq. Cryst., 369, 47-61, 2001
Synthesis and Characterization of A Poly(benzyl ether) Dendron Sulfenyl Iodide
Y. Takaguchi, S. Suzuki, K. Ohta, J. Motoyoshiya, and H. Aoyama
Phosphorus, Sulfur, and Silicon, 176, 61-67, 2001
XANES Spectral Changes for the Discotic Liquid Crystal of Bis[1,2-bis(3,4-dioctyloxyphenyl)ethanedionedioximato]Ni(II)
Mitsutoshi Yokomizo, Yoshio Oka-Inagaki, Kazuchika Ohta,Tsutomu Kurisaki, Toshio Yamaguchi,and Hisanobu Wakita
Advances in Quantum Chemistry, 37, 57-68, 2001
Discotic Liquid Crystals of Transition Metal Complexes 25: Influence of the Central Metal on Columnar Mesomorphism and p-Acceptor Properties of the Octa-alkoxy-substituted Bis(diphenyldithiolene)metal Complexes
Kazuchika Ohta, Yoshio Inagaki-Oka, Hiroshi Hasebe and Iwao Yamamoto
Polyhedron, 19(3), 267-274, 2000
Fibrous assemblies made of amphiphilic metallophthalocyanines
M. Kimura, T. Muto, H. Takimoto, K. Wada, K. Ohta, K. Hanabusa, H. Shirai and N. Kobayashi
LANGMUIR, 16(5), 2078-2082, 2000
Discotic Liquid Crystals of Transition Metal Complexes 27: Supramolecular Structure of Liquid Crystalline Octakis-alkylthiophthalocyanines and their Copper Complexes
Kazue Ban, Kaoru Nishizawa, Kazuchika Ohta, and Hirofusa Shirai
J. Mater. Chem., 10(5), 1083-1090, 2000
Photoresponsive Dendrimer: Syntheses and Characterizations of Anthracenes Bearing Dendritic Substitutents
Yutaka Takaguchi, Tomoyuki Tajima, Kazuchika Ohta, Jiro Motoyoshiya, and Hiromu Aoyama
Chem. Lett., 29(12), 1388-1389, 2000
A Smectic T phase of 1,4-dialkyl-1,4-diazoniabicylco[2.2.2]octane Dibromides
Kazuchika Ohta, Teruki Sugiyama and Takashi Nogami
J. Mater. Chem., 10(3), 613-616, 2000
Optical properties of substituted phthalocyanine rare-earth metal complexes
K. Yoshino, S. B. Lee,T. Sonoda, H. Kawagishi, R. Hidayat, K. Nakayama, M. Ozaki, K. Ban, K. Nishizawa, K. Ohta and H. Shirai
J. Appl. Phys., 88(12), 7137-7143, 2000
Discotic Liquid Crystals of Transition Metal Complexes 22: Synthesis and Mesomorphism of Octa-alkoxy-substituted Tetraphenylporphyrin Derivatives and their Copper(II) Complexes.
Kazuchika Ohta,Nobuo Ando and Iwao Yamamoto
Liq. Cryst., 26(5), 663-668, 1999
Discotic Liquid Crystals of Transition Metal Complexes 23: Synthesis and Mesomorphism of Tetrakis(3,4-di-n-alkylphenyl)porphyrin Derivatives and Their Metal Complexes.
Kazuchika Ohta, Masahiro Ando and Iwao Yamamoto
J. Porphyrins Phthalocyanines, 3(4), 249-258, 1999
Synthesis, Spectroscopy, Electrochemistry, and Mesomorphism of Triple-Decker Porphyrins Consisting of Two Cerium Ions and Three 5, 15-Diarylporphyrins
Hideya Miwa, Nagao Kobayashi, Kazue Ban, and Kazuchika Ohta
Bull. Chem. Soc., Jpn., 72(12), 2719-2728, 1999
Aggregation,Complexation with Guest Molecules, and Mesomorphism of Amphiphilic Phthalocyanines Having Four- or Eight Tri(ethylene oxide) ChainsNagao Kobayashi, Ryuji Higashi, Kazuyuki Ishii, Kazuaki Hatsusaka and Kazuchika Ohta
Nagao Kobayashi;Ryuji Higashi;Kazuyuki Ishii;Kazuaki Hatsusaka;Kazuchika Ohta
Bull. Chem. Soc., Jpn., 72(6), 1263-1271, 1999
Discotic Liquid Crystals of Transition Metal Complexes 26: Supramolecular Structures of Long Chain-substituted Octaphenyltetrapyrazinoporphyrazine Derivatives
Kazuchika Ohta, Satoru Azumane, Nagao Kobayashi and Iwao Yamamoto
J. Mater. Chem., 9(10), 2313-2320, 1999
Anomalies within Alkyl and Alkoxy substituted Bis(1,3-diphenyl- propane-1,3- dionato)copper(II) Metallomesogens from X-ray and EPR Studies
Monisha Bose, Kazuchika Ohta, Tosio Sakurai and Chanchal K. Majumdar
Mol. Cryst. Liq. Cryst., 326, 229-247, 1999
Disk-like Liquid Crystals of Tansition Metal Complexes, Part 20: Pursuit of Chemistry to Directly Visualize van der Waals Interactions
Kazuchika Ohta, Mayumi Ikejima, Mitsuo Moriya, Hiroshi Hasebe and Iwao Yamamoto
J. Mater. Chem., 8(9), 1971-1977, 1998
Disk-like Liquid Crystals of Transition Metal Complexes, Part 21: Critical Molecular Structure Chang from Columnar to Lamellar Liquid Crystal in Bis(diphenylglyoximato)nickel(II)-based Complexes
Kazuchika Ohta, Ryuji Higashi,Mayumi Ikejima, Iwao Yamamoto and Nagao Kobayashi
J. Mater. Chem., 8(9), 1979-1991, 1998
Discotic Liquid Crystals of Transition Metal Complexes 24: Synthesis and Mesomorphism of the Porphyrin Derivatives Substituted by Two or Four Steric Hindrance Groups
Kazuchika Ohta, Noboru Yamaguchi, and Iwao Yamamoto
J. Mater. Chem., 8(12), 2637-2650, 1998
Gels of Bis[1,2-bis(3,4-di-n-alkoxyphenyl)ethanedione dioximato]- palladium(II) Complexes
Kazuchika Ohta, Mitsuo Moriya, Mayumi Ikejima, Hiroshi Hasebe, Nagao Kobayashi and Iwao Yamamoto
Bull. Chem. Soc., Jpn., 70(5), 1199-1203, 1997
Anomalous Charge Transport in the Mesomorphic Free-radical Compound Bis(octakis-didodecyloxyphthalocyaninato)lutetioum(III)
Anick M. van de Craats, John M. Warman, Hiroshi Hasebe, Rie Naito and Kazuchika Ohta
J. Phys. Chem. B, 101(45), 9224-9232, 1997
Discotic Liquid Crystals of Transition Metal Complexes 19. Discotic Mesomorphism and Double Clearing Behavior of Octakis(dialkoxyphenyl)phthalocyanine Derivatives
Kazuchika Ohta, Satoru Azumane, Takuya Watanabe, Satoshi Tsukada and Iwao Yamamoto
Applied Organometallic Chemistry, 10(8), 623-635, 1996
Reaction of Cyclic Amino Phosphonium Salts with a-Chlorovinyl Sulfone
T. Sakai, T. Fujimoto, K. Ohta and I. Yamamoto
Phosphorus, Sulfur, and Silicon, 108(1-4), 99-102, 1996
Phosphonylation of Sugar Derivatives using Phosphanylium Cation
T. Kasaka, M.Kyoda, T. Fujimoto, K. Ohta, I. Yamamoto and A. Kakehi
Heterocycl. Commun., 2, 41-46, 1996
Halogenovinyl sulfones 5. Synthesis of a dibenzopyran derivative from an intramolecular Diels-Alder reaction
Iwao Yamamoto, Toshiyuki Kohara, Tetsuya Fujimoto and Kazuchika Ohta
Phosphorus, Sulfur, and Silicon, 116(1), 203-210, 1996
Synthesis of Triphenylene-based Porphyrazinato Metal(II) Complexes which display Discotic Columnar Mesomorphism
Bernhard Mohr, Gerhard Wegner and Kazuchika Ohta
J. Chem. Soc., Chem. Commun., 59, 995-996, 1995
Rod-like Liquid Crystals of Organic Transition Metal Complexes 4: Optically Positive Uniaxial Nematic Phase in the Bis[1-(p-n-aloxybiphenyl)-3-(n-alkyl)propane-1,3- dionato]copper(II) Complexes
Kazuchika Ohta, Hajime Akimoto, Tetsuya Fujimoto, and Iwao Yamamoto
J. Mater. Chem., 4(1), 61-69, 1994
Chromic Materials 1: Liquid Crystalline Behaviour and Electrochromism in Bis(octakis-n-alkylphthalocyaninato)- lutetium(III) Complexes
T.Komatsu, K.Ohta, T.Fujimoto, and I.Yamamoto
J. Mater. Chem., 4(4), 533-536, 1994
Discotic Liquid Crystals of Transition Metal Complexes 18: Discotic Liquid Crystalline Behaviour in Phthalocyanine Compounds Substituted by Steric Hindrance Groups at the Core
T.Komatsu, K.Ohta, T.Watanabe, H.Ikemoto, T.Fujimoto, and I.Yamamoto
J. Mater. Chem., 4(4), 537-540, 1994
Reactions of the Chloro(diisopropylamino)phosphanylium Cation with Unsaturated Alcohols
Tatsuji Kasaka, Ayao Matsumura, Makoto Kyoda, Tetsuya Fujimoto, Kazuchika Ohta, and Akikazu Kakehi
J. Chem. Soc., Parkin Trans. 1, 1994, 2867-2872, 1994
Synthesis and Aza-Wittig Reactions of Cyclic Amino Phosphonium Salts
Toshito Sakai, Takuya Kodama, Tetsuya Fujimoto, Kazuchika Ohta, Iwao Yammoto, and Akikazu Kakehi
J. Org. Chem., 59(23), 7144-7147, 1994
Thermochromism and Solvatochromism of Liquid Crystalline Bis(diphenylglyoximato)platinum(II) Complexes
M.Ikejima, M.Moriya, H.Hasebe, T.Fujimoto,I.Yamamoto, and K.Ohta
Chemistry of Functional Dyes, 2, 801-805, 1993
Green Phthalocyanine Derivatives Substituted by Eigth p,m-Di-n-Alkoxyphenyl Groups
K.Ohta, S.Azumane, S.Tsukada, T.Watanabe, T.Fujimoto, and I.Yamamoto
Chemistry of Functional Dyes, 2, 276-281, 1993
Synthesis of a Triene from a Cyclic Phosphonium Salt and Its Intramolecular Diels-Alder Reaction to give a Decalin Derivative
T.Fujimoto, R.Nakao, Y.Hotei, K.Ohta, and I.Yamamoto
J. Chem. Research(S), Chem. Research(M), 486,3280-487,3289, 1993
Mesomorphic Phase Transitions of Tetraphenylporphirins with Four Long Alphatic Chains
Y.Shimizu, M.Miya, A.Nagata, K.Ohta, I.Yamamoto, and S.Kusabayashi
Liq. Cryst., 14(3), 795-805, 1993
Stereoselective Synthesis of trans-Hydroazulene Derivatives by Tandem Michael Intramolecular Wittig Reactions of a Cyclic Phosphonium Ylide with Alkyl or Aryl 1-Cyclopentenyl Ketones
T.Fujimoto, Y.Uchiyama, Y.Kodama, K.Ohta,I.Yamamoto and A. Kakehi
J. Org. Chem., 58(26), 7322-7323, 1993
Discotic Liquid Crystals of Transition Metal Complexes 16: Discotic Mesomorphism and Unique Chromism of Bis[1,2-bis(3,4-dialkoxyphenyl)ethanedione dioximato]palladium(II) Complexes
K.Ohta, M.Moriya, M.Ikejima, H.Hasebe, T.Fujimoto, and I.Yamamoto
Bull. Chem. Soc., Jpn., 66(12), 3553-3558, 1993
Discotic Liquid Crystals of Transition Metal Complexes 17: The Mechanism of "Mesomorphic Thermochromism" in Bis(octasubstituted diphenylglyoximato)- palladium(II) Complexes Established by Their Temperature-dependent Electronic Spectra
K.Ohta, M.Moriya, M.Ikejima, H.Hasebe, T.Fujimoto, and I.Yamamoto
Bull. Chem. Soc., Jpn., 66(12), 3559-3564, 1993
Some Synthetic Utilities of Cyclic Phosphonium Salt
T.Fujimoto, Y.Kodama, K.Ohta, and I.Yamamoto
Phosphorus, Sulfur, and Silicon, 77, 170, 1993
二軸性ネマチック液晶相を示すβ-ジケトン系銅錯体
太田和親
化学と工業, 45, 812, 1992
Halogenovinyl Sulfones. Part 3. Synthesis of Polyfunctional cyclopropanes and Dihydrofurans from a-Bromovinyl Sulfones
I.Yamamoto, N.Saiuchi, N.Futaesaku, K.Fujimoto, T.Fujimoto, and K.Ohta
J. Chem. Research(S), Chem. Research(M), 656-671, 1992
Synthesis of Cycloheptenyldiphenylphosphine Oxides from the Reactions of Cyclic Phosphonium Salt with a,b- Unsaturated Carbonyl Compounds
T.Fujimoto, Y.Takeuchi, K.Kai, Y.Hotei, K.Ohta, and I.Yamamoto
J. Chem. Soc., Chem. Commun., 1992(17), 1263-1264, 1992
Rod-like Liquid Crystals of Organic Transition Metal Complexes 3: A Reversible Transition between Dimer Smectic E Phase and Monomer Smectic A Phase in the [N,N'-(5-alkylsalicylidene)enhylene- diaminato]nickel(II) Complexes
K.Ohta, Y.Morizumi,T.Fujimoto, I.Yamamoto, K.Miyamura, and Y.Gohshi
Mol. Cryst. Liq. Cryst., 214, 161-169, 1992
Halovinylsulfones 4. Synthesis and Some Reactions of 2-Phenylsulfonyl-2-propenyl Isothiocyanate
I.Yamamoto, K.Kajiwara, T.Fujimoto, and K.Ohta
J. Heterocycl. Chem., 29(2), 515-518, 1992
Discotic Liquid Crystals of Transition Metal Complexes 15: Dimer Discotic Rectangular Ordered Columnar Mesophase in Bis(p-n-hexadecylbipheny- butane-1,3- dionato)copper(II) Complex
K.Ohta, Y.Morizumi, H.Akimoto, O.Takenaka, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 214, 143-149, 1992
Rod-like Liquid Crystals of Organic Transition Metal Complexes 2: The Effect of the Introduction of Branched Alkyl Chains to Bis(dithiobenzoato)- nickel(II) on the Mesomorphism
K.Ohta, Y.Morizumi, H.Ema, T.Fujimoto, and I.Yamamoto, and T.Sakurai
Mol. Cryst. Liq. Cryst., 214, 151-159, 1992
Mesomorphism and Unusual Multiple Melting Behavior via Smectic E Phase in p-n-Alkoxybiphenyl- butane-1,3-dione
K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 195, 103-121, 1991
Discotic Liquid Crystals of Transition Metal Complexes 7: Dimer Discotic Rectangular Ordered Mesophase in Bis(p-n-alkoxybiphenylbutane-1,3-dionato)copper(II) Complexes
K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 195, 135-148, 1991
Discotic Liquid Crystals of Transition Metal Complexes 8: Enantiotropic Nematic Mesomorphism and Helical Formation of Bis[1-(p-n-alkoxybiphenyl)-3-alkylpropane- 1,3-dionato]copper(II) Complexes
K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 195, 123-133, 1991
Discotic Liquid Crystals of Transition Metal Complexes 9: Synthesis and Properties of Discotic Liquid Crystals of Tetrapyrazinoporphirazine Derivatives
K.Ohta, T.Watanabe, H.Hasebe, Y.Morizumi, T.Fujimoto, I.Yamamoto, D.Lelievre, and J.Simon
Mol. Cryst. Liq. Cryst., 196, 13-26, 1991
Mesomorphic Phase transitions of 5,10,15,20-Tetrakis(4-n-dodecylphenyl)- porphirin
Yo Shimizu, Masaru Miya, Akira Nagata, Kazuchika Ohta, Ayao Matsumura, Iwao Yamamoto, and Shigekazu Kusabayashi
Chem. Lett., (1), 25-28, 1991
Synthesis and Mesomorphic Properties of 4,4'-Di(n-alkyl)stilbenes
Akira Takagi, Hiroshi Ema, Hiroshi Hasebe, Kazuchika Ohta, George Massouras, Tetsuya Fujimoto, and Iwao Yamamoto
Mol. Cryst. Liq. Cryst., 201, 147-160, 1991
Discotic Liquid Crystals of Transition Metal Complexes 10: Phthalocyanine Derivatives substituted with n-Alkoxyphenyl Side Chains
Kazuchika Ohta, Takuya Watanabe, Satoshi Tanaka, Tetuya Fujimoto, Iwao Yamamoto, Pierre Bassoul, Nathalie Kucharczyk, and Jacques Simon
Liq. Cryst., 10(3), 357-368, 1991
Discotic Liquid Crystals of Transition Metal Complexes 11: The First pi-Acceptor in Discotic Columnar Liquid Crystals obtained from Octasubstituted Bis(diphenylethane-1,2-dithiolene)nickel Complexes
K.Ohta, H.Hasebe, H.Ema,M.Moriya, T.Fujimoto, and I,Yamamoto
Mol. Cryst. Liq. Cryst., 208, 21-32, 1991
Discotic Liquid Crystals of Transition Metal Complexes 13: Synthesis and Discotic Columnar Mesomorphism of p-Donor Bis[1,2-di(3',4'-di-n-alkoxy- phenyl)ethane-1,2-dioximato]nickel(II) Complexes
K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 208, 43-54, 1991
Discotic Liquid Crystals of Transition Metal Complexes 14: The Columnar Mesomorphism of the Branched-chain- substituted Tetrakis(dithioacetato)- dinickel(II) Complex
K.Ohta, Y.Morizumi, H.Ema, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 208, 55-63, 1991
Thermochromism and Solvatochromism of Bis[1,2-di-(3,4-di-n-alkoxyphenyl)- ethanedione dioximato]nickel(II) Complexes
K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto
J. Mater. Chem., 1(5), 831-834, 1991
Discotic Liquid Crystals of Transition Metal complexes 12: The Effect of the Alokxy Chain Length on the Mesomorphism of Bis[1,2-di(3',4'-di-n-alkoxy- phenyl)ethane- 1,2-dithiolene]nickel Complexes
K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 208, 33-41, 1991
Chemistry of Cyclic Phosphorus Compounds.4. Syntheses of the Sex Pheromone from the Pedal Gland of Bontebok and Some 1,4-Diketones by Use of 1,1-Diphenylphospholaniumm Perchlorate
T.Fujimoto, Y.Hotei, H.Takeuchi, S.Tanaka, K.Ohta, and I.Yamamoto
J. Org. Chem., 56(15), 4799-4802, 1991
有機遷移金属錯体のディスコティック液晶
太田和親、山本巖
有機合成化学協会誌, 49(5), 486-496, 1991
有機遷移金属錯体の液晶
太田和親
Organometallic News, 128-132, 1990
Rod-like liquid crystals of organic transition metal complexes I. Reversible transformation between blue smectogen and red nematogen
K.Ohta, H.Ema, Y.Morizumi, T.Watanabe, T.Fujimoto, and I.Yamamoto
Liq. Cryst., 8(3), 311-330, 1990
π-Acceptors in Discotic Columnar Liquid Crystals; an Octa-substituted Bis(diphenylethane-1,2-dithiol)nickel Complex
K.Ohta, H.Hasebe, H.Ema, T.Fujimoto, and I.Yamamoto
J. Chem. Soc., Chem. Commun., 1989(21), 1610-1611, 1989
Synthesis and Columnar Mesomorphism of Octa(dodecyl)tetrapyrazinoporphyrazine and its Copper(II) Complex
K.Ohta, T.Watanabe, T.Fujimoto, and I.Yamamoto
J. Chem. Soc., Chem. Commun., 1989(21), 1611-1613, 1989
Chemistry of Cyclic Phosphorus Compounds.3. Synthesis of Pheromones Having an g, d-Unsaturated Ketone System from 1,1-Diphenylphospholanium Perchlorate
I.Yamamoto, S.Tanaka, T.Fujimoto, and K.Ohta
J. Org. Chem., 54(4), 747-750, 1989
Influence of the Nature of the Side Chains on the Mesomorphic Properties of Octasubstituted Phthalocyanine Derivatives. Annelides XXIX
K.Ohta, L.Jacquemin, C.Sirlin, L.Bosio, and J.Simon
Nouv. J. Chim., 12, 751-754, 1988
Electrical Properties of Condensed Phases of the Mesogen Bis(octadecyloxymethylphthalocyaninato)lutetium
Z.Belarbi, M.Maitrot, K.Ohta, J.Simon, and J.J.Andre
Chem. Phys. Lett., 143(4), 400-403, 1988
Laser Indused Triplet Excitons in the Columnar Phases of an Octasubstituted Metal Free Phthalocyanine
D.Markovitsi, T.-H. Tran-Thi, V.Briois, J.Simon, and K.Ohta
J. Am. Chem. Soc., 110(6), 2001-2002, 1988
X-Ray Diffraction Studies on Discotic Lamellar Phase in Bis[1,3-di(p-n-alkoxy- phenyl)propane-1,3-dionato]copper(II)
H.Sakashita, A.Nishitani, Y.Sumiya, H.Terauchi, K.Ohta, and I.Yamamoto
Mol. Cryst. Liq. Cryst., 163(1), 211-219, 1988
Discotic Liquid Crystals of Transition Metal Complexes 6: Monotropic Lamella Mesomorphsim of Tetrakis- (n-alkyldithiolato)dinickel(II) and Bis(n-alkylxanthato)nickel(II) Complexes
K.Ohta, H.Ema, I.Yamamoto, and K.Matsuzaki
Liq. Cryst., 3(12), 1671-1687, 1988
Discotic Liquid Crystals of Transition Metal Complexes 4: Novel Discotic Liquid Crystals obtained from Substituted Bis(dithiolene)nickel Complexes by a New Method
K.Ohta, A.Takagi, H.Muroki, I.Yamamoto, K.Matsuzaki, T.Inabe, and Y.Maruyama
Mol. Cryst. Liq. Cryst., 147(1), 15-24, 1987
Discotic Liquid Crystals of Transition Metal Complexes 5: Double Melting Behavior and Double Clearing Behavior of Discogens
K.Ohta, H.Ema, H.Muroki, I.Yamamoto,and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 147(1), 61-78, 1987
Tandem Wittig reactions of 1,1-diphenylphosphorinanium salt
I.Yamamoto, I.Fujimoto, K.Ohta, and K.Matsuzaki
J. Chem. Soc., Parkin Trans. 1, 1987(1), 1537-1539, 1987
Discotic Liquid Crystals of Transition Metal Complexes 2: The Effect of Chain Length on Discotic Mesomorphsim in Bis[1,3-di(p-n-alkylphenyl) propane-1,3- dionato]copper(II)
K.Ohta, H.Muroki, A.Takagi, I.Yamamoto, and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 135(3-4), 247-264, 1986
Novel Discotic Liquid Crystals obtained from Substituted Bis(dithiolene)- nickel Complexes
K.Ohta, A.Takagi, H.Muroki, I.Yamamoto, K.Matsuzaki, T.Inabe, and Y.Maruyama
J. Chem. Soc., Chem. Commun., 1986(11), 883-884, 1986
First Examples Exhibiting both Double Melting Behavior and Mesomorphism in a Series of Long Chain Substituted Compounds: 1,3-Di(p-n-alkoxyphenyl)propane-1,3-dione
K.Ohta, H.Muroki, K.Hatada, A.Takagi, H.Ema, I.Yamamoto, and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 140(2-4), 163-177, 1986
Discotic Liquid Crystals of Transition Metal Complexes 3: the First-Established Discotic Lamellar Phase in Bis[1,3-di(p-n-alkoxyphenyl)- propane-1,3-dionato]copper(II)
K.Ohta, H.Muroki, A.Takagi, K.Hatada, H.Ema, I.Yamamoto, and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 140(2-4), 131-152, 1986
Discotic Liquid Crystals of Transition Metal Complexes 1: Bis[1,3-di(p-n-octylphenyl)- propane-1,3-dionato]- copper(II) and Bis[1,3-di(p-n-octyloxyphenyl)propane-1,3-dionato]- copper(II)
K.Ohta, A.Ishii, H.Muroki, I.Yamamoto, and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 116(3-4), 299-307, 1985
Double Melting Behavior of Disk-like Complexes Substituted by Long Chains, 1: the Substituent Effect
K.Ohta, H.Muroki, K.Hatada, I.Yamamoto, and K.Matsuzaki
Mol. Cryst. Liq. Cryst., 130(3-4), 249-263, 1985
Synthesis of Chlorovinyl Phenyl Sulfides and Sulfones from Diethyl Chloro-(phenylthio)-methanephosphate
I.Yamamoto, T.Sakai, S.Yamamoto, K.Ohta, and K.Matsuzaki
Synthesis, 1985(6-7), 676-677, 1985
Synthesis of 5,6-Dihydro-2-thiouracils
I.Yamamoto, K.Fukui, S.Yamamoto, K.Ohta, and K.Matsuzaki
Synthesis, 1985(6-7), 686-688, 1985
Syntheses of Cyclopropanes and Dihydrofuranes from a-Chlorovinyl Sulfones
I.Yamamoto, T.Sakai, K.Ohta, and K.Matsuzaki
J. Chem. Soc., Parkin Trans. 1, 1985, 2785-2787, 1985
Discotic Liquid Crystals of Organocopper Complexes: the Substituent Effects
K.Ohta, A.Ishii, I.Yamamoto, and K.Matsuzaki
J. Chem. Soc., Chem. Commun., 1984(16), 1099-1100, 1984
低次元電導体を目指した液晶
太田和親
化学と工業, 36, 904-905, 1983
Multiple Melting Behaviour in Square-planar trans-Bis-(1-p-n-alkylphenylbutane-1, 3-dionato)-copper (II)—The Effect of Alkyl Chain Length
K.Ohta, G.-J.Jiang, M.Yokoyama, S.Kusabayashi, and H.Mikawa
Mol. Cryst. Liq. Cryst., 66(1), 283-294, 1981
Square-planar trans-Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II), a New Compound exhibiting Three Kinds of 'Double Melting' Behaviour
K.Ohta, M.Yokoyama, S.Kusabayashi, and H.Mikawa
Mol. Cryst. Liq. Cryst., 69(1-2), 131-142, 1981
Spectroscopic Studies on Polymorphism in Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II)
K.Ohta, M.Yokoyama, and H.Mikawa
Mol. Cryst. Liq. Cryst., 73(3-4), 205-221, 1981
Square-planar trans-Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II), a New Compound exhibiting Three Kinds of 'Double Melting' Behaviour
K.Ohta, M.Yokoyama, S.Kusabayashi, and H.Mikawa
J. Chem. Soc., Chem. Commun., 1980(9), 392-393, 1980