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太田和親  オオタ カズチカ

教員組織電話番号
教育組織繊維学部FAX番号
職名特任教授 名誉教授メールアドレス
住所〒386-8567 長野県上田市常田 3-15-1ホームページURL

更新日:2019/09/25

プロフィール

兼担研究科・学部
大学院工学系研究科
研究分野
構造・機能材料
構造・機能材料
錯体化学
現在の研究課題
新規な金属錯体液晶の合成と物性

高伝導性ディスコティック液晶とクロミック液晶の合成

液晶相のX線構造解析

液晶半導体とカラー液晶の応用研究

液晶相の分類および液晶状態の定義に関する基礎研究

マイクロ波による液晶の高速合成

所属学会
所属学会
日本化学会
国際液晶学会
日本液晶学会
日本電磁波エネルギー応用学会
学歴
出身大学院
1981 , 大阪大学 , 工学研究科 , プロセス工学専攻
1978 , 立命館大学 , 理工学研究科 , 応用化学専攻

出身学校・専攻等(大学院を除く)
1976 , 立命館大学 , 理工学部 , 化学科

取得学位
工学博士 , 大阪大学
受賞学術賞
2010 , Best poster award in Pacifichem 2010 , The second example of flying-seed-like liquid crystals based on phthalocyanine
2009 , Best poster award in 3rd International Symposium on High-Tech Fiber Engineering 2009 , Development of Novel Synthetic Method of Carbon Nanotubes from Electrospun Polystyrene Fibers by Using Microwave Heating
2008 , Shozo Yanagida & Takeko Matsumura Award受賞 Global Congress on Microwave Energy Applications(GCMEA 2008 - MAJIC 1st) , Development of Facile Synthetic Methods of Carbon Nanotubes and Nanocapsules by Using A Domestic Microwave Oven
2007 , 優秀学生賞受賞:第1回日本電磁波エネルギー応用学会シンポジウム , 家庭用電子レンジによる有機金属錯体からカーボンナノチューブを高速合成するための最適条件
2001 , 日本液晶学会「論文賞(A)」
1988 , 日本化学会「若い世代の特別講演会賞」
研究職歴等
研究職歴
2007- , 信州大学大学院総合工学系研究科生物機能・ファイバー工学専攻スマート材料工学講座 教授
1988-2007 , 信州大学繊維学部 助教授
1982-1988 , 信州大学繊維学部 助手
1981-1982 , 東京芝浦電気株式会社総合研究所化学材料研究所 研究員

留学歴
1995-1996 , オランダ、デルフト工科大学Worman研、文部省派遣研究員
1986-1987 , フランス、ESPCIシモン研、CNRS研究員

研究活動業績

研究業績(著書・
発表論文等)
著書
第5章 第4節 4.6家庭用電子レンジによるカーボンナノチューブの高速合成:ニッケルナノ粒子触媒の粒径が及ぼす影響
産業技術出版 , 「最新マイクロ波エネルギーと応用技術」吉川昇 監修 2015(Feb.)
Author:太田 和親


第7章 円盤状パイ電子系化合物の超階層構造構築とその次元性の自動制御
シーエムシー出版 , 《普及版》「次世代共役ポリマーの超階層制御と革新機能」 第7章 円盤状パイ電子系化合物の超階層構造構築とその次元性の自動制御 , :155-163 2014
Author:太田 和親


第4編 無機・金属合成 第4章 マイクロ波炭素化技術およびカーボンナノチューブ合成
シーエムシー出版 , 「マイクロ波化学プロセス技術Ⅱ」和田雄二,竹内和彦 監修 , :224-231 2013
Author:太田 和親


Chapter 53: Liquid Crystals of Phthalocyanines, Porphyrins and Related Compounds
World Scientific , Handbook of Porphyrin Science, Volume 12: Applications of Porphyrins, Phthalocyanines and Related Systems , :1-120 2011
Author:Kazuchika Ohta, Huy-Danh Nguyen-Tran, Lisa Tauchi, Yoriko Kanai, Takashi Megumi and Yasufumi Takagi


第II編 第7章 円盤状パイ電子系化合物の超階層構造構築とその次元性の自動制御
シーエムシー出版 , 「次世代共役ポリマーの超階層制御と革新機能」赤木和夫監修 , :155-163 2009
Author:太田 和親


第2章 液晶相の同定 (3)ディスコチック液晶相のX線構造解析による同定
シグマ出版 , 「液晶化学実験入門」日本液晶学会編 , 「液晶化学実験入門」:11-21 2007
Author:太田 和親


固体の融点
朝倉書店 , 化学者のための基礎講座 第6巻 「化学ラボガイド」 日本化学会編  , :32-47 2001
Author:太田 和親


第3章:分子構造と液晶性、第6項:金属錯体液晶、3.6.3項:円盤状金属錯体液晶
丸善 , 液晶便覧 , :343-347 2000
Author:太田 和親


第3章:分子構造と液晶性、第6項:金属錯体液晶、3.6.1項:金属錯体液晶の歴史
丸善 , 液晶便覧 , :334-336 2000
Author:太田 和親


第2章:液晶の配列と物性、4項:キャラクタリゼーション、2.4.4項:X線、b:ディスコチック液晶
丸善 , 液晶便覧 , :166-169 2000
Author:太田 和親


第2章:液晶の配列と物性、4項:キャラクタリゼーション、2.4.1項:偏光顕微鏡、b:円盤状および金属錯体液晶
丸善 , 液晶便覧 , :142-147 2000
Author:太田 和親


フタロシアニン-化学と機能-
アイピーシー , 液晶 , 2.4:100-108 1997
Author:太田 和親


有機金属錯体の液晶
学会出版センター , 季刊化学総説 No.22 「液晶の化学」日本化学会編 , :128-144 1994
Author:太田 和親


論文
Stimuli-Responsive Properties for Liquid Phthalocyanines
Chem. Lett.,46(10):1539-1541 2017
Author:Yoshiaki Chino, Avijit Ghosh, Takashi Nakanishi, Nagao Kobayashi, Kazuchika Ohta and Mutsumi Kimura


Phthalocyanine-based discotic liquid crystals switching from a molten alkyl chain type to a flying-seed-like type
J. Mater. Chem. C,5(29):7297-7306 2017
Author:Hiromu Nakamura, Kouki Sugiyama, Kazuchika Ohta and Mikio Yasutake


Discotic Liquid Crystals of Transition Metal Complexes 54: Rapid microwave-assisted synthesis and homeotropic alignment of phthalocyanine-based liquid crystals
J. Porphyrins Phthalocyanines,21(7-8):476-492 2017
Author:Toshiyuki Akabane, Kazuchika Ohta, Tokihiro Takizawa, Takehiro Matsuse, and Mutsumi Kimura


Discotic Liquid Crystals of Transition Metal Complexes 53: synthesis and mesomorphism of phthalocyanines substituted by m-alkoxyphenylthio groups
J. Porphyrins Phthalocyanines,21(3):159-178 2017
Author:Yoshiaki Chino, Kazuchika Ohta, Mutsumi Kimura and Mikio Yasutake


Biaxial Nematic Phase of Crank-like Bis(β-diketonato)copper(II) Complexes Established by X-ray Diffraction and Z-value Calculations
Mol. Cryst. Liq. Cryst.,648(1):130-147 2017
Author:Yoriko Kanai, Hajime Akimoto and Kazuchika Ohta,


Trimethylsilyl Group Assisted Stimuli Response: Self-Assembly of 1,3,6,8-Tetrakis((trimethysilyl)ethynyl)pyrene
Organometallics,36(3):556-563 2017
Author:Xu, Feng; Nishida, Takanori; Shinohara, Kenta; Peng, Lifen; Takezaki, Makoto; Kamada, Takahiro; Akashi, Haruo; Nakamura, Hiromu; Sugiyama, Kouki; Ohta, Kazuchika; Orita, Akihiro; Otera, Junzo,


Flying-seed-like liquid crystals 7: Synthesis and mesomorphism of novel octakis(m-chloropyridyloxy) phthalocyanato copper(II) complexes
J. Porphyrins Phthalocyanines,21(1):48-58 2017
Author:Kazuchika Ohta, Kaori Adachi and Mikio Yasutake,


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
JEMEA-Bulletin,3(1):3-6 2017
Author:太田 和親


有機金属錯体液晶の物性解明と応用
日本液晶学会誌「液晶」,21:6-24 2017
Author:太田 和親


Discotic Liquid Crystals of Transition Metal Complexes 52: Synthesis and homeotropic alignment of liquid-crystalline phthalocyanine-fullerene dyad bridged by vanillin
J. Porphyrins Phthalocyanines,20(12):1444-1456 2016
Author:Ayumi Watarai, Kazuchika Ohta, Mikio Yasutake


Preparation of a Cyclic Polyphenylene Array for a Chiral-Type Carbon Nanotube Segment
Bull. Chem. Soc., Jpn.,89(10):1260-1275 2016
Author:Ryuta Sekiguchi, Shun Kudo, Jun Kawakami, Atsushi Sakai, Hiroshi Ikeda, Hiromu Nakamura, Kazuchika Ohta and Shunji Ito


Flying-seed-like liquid crystals 6: Synthesis and Mesomorphism of Phthalocyanine Derivatives Substituted by Pentafluorosulfanylphenoxy
J. Porphyrins Phthalocyanines,20(7):822-832 2016
Author:Ayumi Watarai , Kazuchika Ohta and Mikio Yasutake


Topological Control of Columnar Stacking made of Liquid-Crystalline Thiophene-fused Metallonaphthalocyanines
Chemistry Open,5(2):150-156 2016
Author:Hiroyuki Suzuki, Koki Kawano, Kazuchika Ohta, Yo Shimizu, Nagao Kobayashi, and Mutsumi Kimura.


Molecular Designs for Enhancement of Polarity in Ferroelectric Soft Materials
Scientific Reports,5:16606 2015
Author:Ohtani Ryo; Nakaya Manabu; Ohmagari Hitomi; Nakamura Masaaki; Hayami Shinya; Ohta Kazuchika; Lindoy Leonard F; Hayami Shinya


Liquid Crystals of Phthalocyanine-Fullerene Dyads Exhibiting Homeotropic Alignment and Spiranthes-like Supramolecular Structure Useful for Solar Cells
ECS Transactions,66(16):21-43 2015
Author:Ayumi Watarai, Shin-nosuke Yajima, Aya Ishikawa, Kenta Ono, Mikio Yasutake and Kazuchika Ohta


Preparation of a Cyclic Polyphenylene Array for a Zigzag-Type Carbon Nanotube Segment
The Journal of Organic Chemistry,80(10):5092-5110 2015
Author:Sekiguchi, Ryuta; Takahashi, Kei; Kawakami, Jun; Sakai, Atsushi; Ikeda, Hiroshi; Ishikawa, Aya; Ohta, Kazuchika; Ito, Shunji


Flying-seed-like liquid crystals 5: Liquid crystals based on octakisphenylthiophthalocyanine and their optical properties
J. Porphyrins Phthalocyanines,19(5):639-650 2015
Author:Aya Ishikawa, Kazuchika Ohta and Mikio Yasutake


Flying-seed-like liquid crystals 4: a novel series of bulky substituents inducing mesomorphism instead of using long alkyl chains
RSC Advances,5(18):13828-13839 2015
Author:Miho Yoshioka, Kazuchika Ohta and Mikio Yasutake


Discotic Liquid Crystals of Transition Metal Complexes 51: Synthesis and mesomorphism of flat-pumpkin-shaped phthalocyanine-fullerene dyads
J. Porphyrins Phthalocyanines,18(10-11):856-868 2014
Author:Miho Yoshioka, Kazuchika Ohta, Yohei Miwa, Shoichi Kutsumizu and Mikio Yasutake


Discotic Liquid Crystals of Transition Metal Complexes 50: Spiranthes-like supramolecular structure of phthalocyanine-fullerene dyads
J. Porphyrins Phthalocyanines,18(5):366-379 2014
Author:Aya Ishikawa, Kenta Ono, Kazuchika Ohta, Mikio Yasutake, Musubu Ichikawa and Eiji Itoh


Liquid Crystalline and Luminescent Behavior of Lanthanide Complexes Composed of Terbium or Europium and Dendritic Amphiphile
Mol. Cryst. Liq. Cryst.,605(1):70-81 2014
Author:Tomoyuki Itaya, Ayaha Hachisuga, Kazuchika Ohta, Daniela Pucci, Elisabeta I. Szerb, Massimo La Deda and Mauro Ghedini


Synthesis of carbon nanotubes by microwave heating: Influence of diameter of catalytic Ni nanoparticles on diameter of CNTs
J. Mater. Chem. A,2(8):2773-2780 2014
Author:Kazuchika Ohta, Toshiki Nishizawa, Takahiro Nishiguchi, Ryo Shimizu, Yoshiyuki Hattori, Shuji Inoue, Masakazu Katayama, Kazuhiko Mizu-uchi and Takumi Kono


Molecular rope curtain "Type of liquid crystals based on a sliding graft copolymer having mobile PEG side chains
Mol. Cryst. Liq. Cryst.,592(1):99-105 2014
Author:Jun Araki, Hiroyuki Sato, Yasufumi Takagi and Kazuchika Ohta


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)
The Repository of Shinshu University,:1-28 2013(May 11)
Author:K. Ohta


Flying-seed-like liquid crystals 3: New guideline for induction of mesomorphism by using bulky groups instead of long alkyl chains
J. Mater. Chem. C,1:5315-5321 2013
Author:A. Hachisuga, M. Yoshioka, K. Ohta, T. Itaya


Discotic Liquid Crystals of Transition Metal Complexes 49: Establishment of helical structure of fullerene moieties in columnar mesophase of phthalocyanine-fullerene dyads
J. Porphyrins Phthalocyanines,17(11):1080-1093 2013
Author:L. Tauchi, T. Nakagaki, M. Shimizu, E. Itoh, M. Yasutake, K. Ohta


Ion-Pair-Based Assemblies Comprising Pyrrole–Pyrazole Hybrids
Chem. Eur. J.,19(28):9224-9233 2013
Author:Hiromitsu Maeda, Kengo Chigusa, Tsuneaki Sakurai, Kazuchika Ohta, Shinobu Uemura, and Shu Seki


Discotic Liquid Crystals of Transition Metal Complexes 48: Synthesis of novel phthalocyanine-fullerene dyads and effect of a methoxy group on their clearing points
J. Porphyrins Phthalocyanines,17(4):264-282 2013
Author:Masahiro Shimizu, Lisa Tauchi, Takahiro Nakagaki, Aya Ishikawa, Eiji Itoh and Kazuchika Ohta


Ferroelectric and mesomorphic properties of oxovanadium(IV) complexes with long alkoxy chains
Inorg. Chem. Commun.,16:89-91 2012
Author:A. Ohta, Y. Yamamoto, H. Kamihata, Y.H. Jee, F. Ichikawa, K. Ohta, Y. Abe, N. Hoshino, M. Kojima, S. Hayashi


Discotic Liquid Crystals of Transition Metal Complexes 47(+): synthesis of phthalocyanine-fullerene dyads showing spontaneous homeotropic alignment
J. Porphyrins Phthalocyanines,16(12):1261-1275 2012
Author:Kamei, Tenpei; Kato, Takayuki; Itoh, Eiji; Ohta, Kazuchika


Discotic Liquid Crystals of Transition Metal Complexes 46: mesomorphism and antagonist solubility of octaphenoxy-phthalocyaninato copper(II) complex substituted by oligoether chains
J. Porphyrins Phthalocyanines,16(11):1209-1216 2012
Author:Sato, Hiroyuki; Sakagami, Yuya; Itoh, Eiji; Ohta, Kazuchika


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
J. Porphyrins Phthalocyanines,16(10):1148-1158 2012
Author:Sato, Hiroyuki; Igarashi, Kensaku; Yama, Yoshitaka; Ichihara, Masahiro; Itoh, Eiji; Ohta, Kazuchika


Discotic Liquid Crystals of Transition Metal Complexes 44: synthesis of hexaphenoxy-substituted phthalocyanine derivatives showing spontaneous perfect homeotropic alignment
J. Porphyrins Phthalocyanines,16(10):1114-1123 2012
Author:Ariyoshi, Masaaki; Sugibayashi-Kajita, Makiko; Suzuki-Ichihara, Ayumi; Kato, Takayuki; Kamei, Tenpei; Itoh, Eiji; Ohta, Kazuchika


Structural, photophysical, and mesomorphic properties of luminescent platinum(II)-salen schiff base complexes
Inorg. Chim. Acta,392:254-260 2012
Author:Yuriko Abe, Yuko Takagi, Miyuki Nakamura, Takae Takeuchi, Tomoaki Tanase, Miho Yokokawa, Hidetomo Mukai, Takashi Megumi, Ayaha Hachisuka, Kazuchika Ohta


Flying-seed-like liquid crystals 2: unprecedented guidelines to obtain liquid crystalline compounds
J. Org. Chem.,22(29):14418-14425 2012
Author:Takagi, Yasufumi; Ohta, Kazuchika; Shimosugi, Shota; Fujii, Tatsuya; Itoh, Eiji


Development of a Novel Method to Synthesize Carbon Nanotubes from Granulated Polystyrene and Nickel Nanoparticles by Microwave Heating
J. Mater. Chem.,21:14569-14574 2011
Author:Yasufumi Takagi, Lisa Tauchi, Huy-Dahn Nguyen-Tran, Tomohiro Ohta, Masahiro Shimizu and Kazuchika Ohta


Columnar mesophases constructed by hierarchical selforganization of rod-like diacetylene molecules
J. Mater. Chem.,21:10730-10737 2011
Author:Tomoyo Shimogaki, Satoshi Dei, Kazuchika Ohta and Akikazu Matsumoto


Development of Facile Synthetic Methods of Carbon Nanotubes by Using a Domestic Microwave Oven
Bull. Chem. Soc., Jpn.,83(9):1100-1106 2010
Author:Yusaku Takagaki, Huy-Danh Nguyen-Tran and Kazuchika Ohta


Synthesis and liquid crystalline behavior of azulene-based liquid crystals with 6-hexadecyl substituents on each azulene ring
Tetrahedron,66(42):8304-8312 2010
Author:Kosuke Nakagawa, Takahiro Yokoyama, Kozo Toyota, Noboru Morita, Shunji Ito, Shota Tahata, Mao Ueda, Jun Kawakami, Miho Yokokawa, Yoriko Kanai, Kazuchika Ohta


Discotic columnar mesophases derived from ‘rod-like’ π-conjugated anion-responsive acyclic oligopyrroles
J. Chem. Soc., Chem. Commun.,46(25):4559-4561 2010
Author:Hiromitsu Maeda, Yoshitaka Terashima, Yohei Haketa, Atsushi Asano, Yoshihito Honsho, Shu Seki, Masahiro Shimizu, Hidetomo Mukai and Kazuchika Ohta


Development of Novel Synthetic Method of Carbon Nanotubes from Electrospun Polystyrene Fibers by Using Microwave Heating
Polym. Adv. Technol.,22(12):2653–2658 2010
Author:Tomohiro Ohta, Takeru Ito, Masahiro Shimizu, Lisa Tauchi, Huy-Danh Nguyen-Tran, Jong-Chul Park, Byoung-Suhk Kim, Ick-Soo Kim, and Kazuchika Ohta


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
Liq. Cryst.,37(1):13-21 2010
Author:Hidetomo Mukai, Miho Yokokawa Kazuaki Hatsusaka and Kazuchika Ohta


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
J. Porphyrins Phthalocyanines,14(2):188-197 2010
Author:Hidetomo Mukai, Miho Yokokawa, Masahiro Ichihara, Kazuaki Hatsusaka and Kazuchika Ohta


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
J. Porphyrins Phthalocyanines,13(8-9):927-932 2009
Author:Hidetomo Mukai, Kazuaki Hatsusaka and Kazuchika Ohta


Organization of single-walled carbon nanotubes wrapped with liquid-crystalline π-conjugated oligomers
J. Mater. Chem.,19(8):1086-1092 2009
Author:Kimura, Mutsumi; Miki, Noritoshi; Adachi, Naoya; Tatewaki, Yoko; Ohta, Kazuchika; Shirai, Hirofusa


Mesophase and magnetic behavior in cobalt(II) and iron(II) compounds
Polyhedron,28(9-10):2053-2057 2009
Author:Hayami, Shinya; Kojima, Yoshihiro; Urakami, Daisuke; Ohta, Kazuchika; Inoue, Katsuya


Mesogenic and magnetic behavior in cobalt(II) and iron(II) compounds with long alkyl chains
Monatshefte fuer Chemie,140(7):829-838 2009
Author:Hayami, Shinya; Kojima, Yoshihiro; Urakami, Daisuke; Ohta, Kazuchika; Inoue, Katsuya


Very Unique Liquid Crystalline Phase Structures Having Two-dimensional Silver Sheet for the Adducts of Phenazine and Silver Alkylsulfonates
Mol. Cryst. Liq. Cryst.,503:69-80 2009
Author:Tomoyuki Itaya, Masahiro Ichihara, Makiko Sugibayashi, Hwa-Tai Lin and Kazuchika Ohta


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
J. Porphyrins Phthalocyanines,13(1):70-76 2009
Author:Hidetomo Mukai, Miho Yokokawa, Kazuaki Hatsusaka and Kazuchika Ohta


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
繊維学会誌,64(11):324-328 2008
Author:酒向祐輝, 高口 豊, 市原正寛、太田和親


金属錯体液晶の最近の進歩
日本液晶学会誌「液晶」,12:231-246 2008
Author:太田 和親、向井 秀知


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
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
Author:太田和親


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
J. Porphyrins Phthalocyanines,11(12):846-856 2007
Author:Hidetomo Mukai, Kazuaki Hatsusaka and Kazuchika Ohta


Spin Transition at the Mesophase Transition Temperature in a Cobalt(II) Compound with Branched Alkyl Chains
Inorg. Chem.,46:7692-7694 2007
Author:Shinya Hayami, Reiko Moriyama, Aya Shuto, Yonezo Maeda, Kazuchika Ohta, and Katsuya Inoue


Liquid Crystalline Behavior of Adducts Between Pyridazine and Silver Alkylsulfonates
Mol. Cryst. Liq. Cryst.,474:29-41 2007
Author:Tomoyuki Itaya, Masahiro Ichihara, Makiko Sugibayashi, Hwa-Tai Lin and Kazuchika Ohta


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
J. Porphyrins Phthalocyanines,11(7):503-512 2007
Author:Masahiro Ichihara, Ayumi Suzuki, Kazuaki Hatsusaka and Kazuchika Ohta


Discotic Liquid Crystals of Transition Metal Complexes 37: a thermotropic cubic mesophase having Pn3m symmetry exhibited by phthalocyanine-based derivatives
Liq. Cryst.,34(5):555-567 2007
Author:Ichihara, M; Suzuki, A; Hatsusaka, K; Ohta, K


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
Liq. Cryst.,34(3):401-410 2007
Author:Ichihara, M; Suzuki, H; Mohr, B; Ohta, K


Syntheses, structures, and mesomorphism of a series of Cu(II) salen complexes with 4-substituted long alkoxy chains
Mol. Cryst. Liq. Cryst.,466:129-147 2007
Author:Abe, Y; Nakazima, N; Tanase, T; Katano, S; Mukai, H; Ohta, K


Fabrication and photocatalytic activity of fullerodendron/CaCO3 composites
Bull. Chem. Soc., Jpn.,79(12):1983-1987 2006
Author:Talukdar, B; Takaguchi, Y; Yanagimoto, Y; Tsuboi, S; Ichihara, M; Ohta, K


Discotic Liquid Crystals of Transition Metal Complexes 36: Syntheses and Mesomorphic Properties of Very Large Discotic Liquid Crystals Based on Tc and Tz Cores120
J. Porphyrins Phthalocyanines,10(9-10):1145-1155 2006
Author:Masahiro Ichihara, Masakazu Miida, Bernhard Mohr and Kazuchika Ohta


Flying-seed-like Liquid Crystals
J. Mater. Chem.,16:3635-3639 2006
Author:Kazuchika Ohta;Tomoyuki Shibuya;Masahiro Ando


Self-organization and Photoreactivity of Anthryl Dendron Having Perfluoroalkyl Chains at The Terminals
Tetrahedron,62(35):8373-8378 2006
Author:Yasushi Yanagimoto Yutaka Takaguchi;Yuuki Sako;Sadao Tsuboi;Masahiro Ichihara;Kazuchika Ohta


Photoreactivity of Tetra-Substituted Anthracene Derivatives and Their Mesophases
Bull. Chem. Soc., Jpn.,79(8):1265-1270 2006
Author:Yasushi Yanagimoto;Yutaka Takaguchi;Sadao Tsuboi;Masahiro Ichihara;Kazuchika Ohta


Syntheses, Structures, and Mesomorphic Properties of Two Series of Oxovanadium(IV) Salen and Salpn Complexes with 4-Substituted Long Alkoxy Chains
Inorg. Chim. Acta,359(12):3934-3946 2006
Author:Yuriko Abe;Kyoko Nakabayashi;Nahoko Matsukawa;Hiroshi Takashima;Masayasu Iida;Tomoaki Tanase;Makiko Sugibayashi;Hidetomo Mukai;Kazuchika Ohta


Syntheses, Structures, and Mesomorphism of a Series of Ni(II) Salen Complexes with 4-Substituted Long Alkoxy Chains,
Inorg. Chim. Acta,359(10):3147-3155 2006
Author:Yuriko Abe;Hiroko Akao;Yukiko Yoshida;Hiroshi Takashima;Tomoaki Tanase;Hidetomo Mukai;Kazuchika Ohta


Self-Organization of Low-Symmetry Adjacent-type Metallophthalocyanines Having Branched Alkyl Chains
Langmuir,22(11):5051-5056 2006
Author:Mutsumi Kimura;Hiroyuki Ueki;Kazuchika Ohta;Hirofusa Shirai;Nagao Kobayashi


Formation of Metallosupramolecular Polymers within Highly Ordered Silica Mesochannels
Macromolecules,38(12):5055-5059 2005
Author:Mutsumi Kimura;Yayoi Iwashima;Kazuchika Ohta;Kenji Hanabusa;Hirofusa Shirai


Rapid synthesis of phthalocyanine-based discotic liquid crystals by using a novel hand-made microwave-heating apparatus
J. Porphyrins Phthalocyanines,9(8):544-553 2005
Author:Keisuke Ooi;Fumihiro Maeda;Kazuchika Ohta;Tokihiro Takizawa;Takehiro Matsuse


Synthesis and Properties of Hexakis(6-octyl-2-azulenyl)benzene as a Multielectron Redox System with Liquid Crystalline Behavior,
J. Org. Chem.,70(10):3939-3949 2005
Author:S. Ito;M. Ando;A. Nomura;N. Morita;C. Kabuto;H. Mukai;K. Ohta;J. Kawakami;A. Yoshizawa;A. Tajiri


Nanoscopic fibrous assemblies made of metallophthalocyanine-terminated amphiphilic polymers
Chemistry-A European Journal,10(20):4954-4959 2004
Author:Mutsumi Kimura;Hiroyuki Ueki;Kazuchika Ohta;Kenji Hanabusa;Hirofusa Shirai;Nagao Kobayashi


Time-of-Flight Analysis of Charge Mobility in a Cu-phthalocyanine-based Discotic Liquid Crystal Semiconductor
Appl. Phys. Lett.,85(16):3474-3476 2004
Author:Hideo Fujikake;Takeshi Murashige;Makiko Sugibayashi;Kazuchika Ohta


Formation of thermotropic and lyotropicliquid crystals of bis(N-alkylethylenediamine)silver(I) nitrate
Eur. J. Inorg. Chem.,(19):3920-3929 2004
Author:Masayasu Iida;Michiko Inoue;Tomoaki Tanase;Takae Takeuchi;Makiko Sugibayashi;Kazuchika Ohta


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
Inorg. Chem. Commun.,7(4):580-583 2004
Author:Yuriko Abe;Kyoko Nakabayashi;Nahoko Matsukawa;Masayasu Iida;Tomoaki Tanase;Makiko Sugibayashia;Kazuchika Ohta


Selective Ligation to Sterically Isolated Metallophthalocyanines
Inorg. Chem.,42(9):2821-2823 2003
Author:Kimura, Mutsumi; Sakaguchi, Ayumu; Ohta, Kazuchika; Hanabusa, Kenji; Shirai, Hirofusa; Kobayashi, Nagao


Self-Assembly and Regioselective Photodimerization of Anthracene Having a Dendritic Substituent.
Organic Letters,5(10):1677-1679 2003
Author:Takaguchi, Yutaka; Tajima, Tomoyuki; Yanagimoto, Yasushi; Tsuboi, Sadao; Ohta, Kazuchika; Motoyoshiya, Jiro; Aoyama, Hiromu.


Self-Organization of Hydrogen-Bonded Optically Active Phthalocyanine Dimers.
Langmuir,19(11):4825-4830 2003
Author:Kimura, Mutsumi; Kuroda, Takahisa; Ohta, Kazuchika; Hanabusa, Kenji; Shirai, Hirofusa; Kobayashi, Nagao


Preparation of organic inorganic composites containing rod-like phthalocyanine polymers
Chem. Commun,(19):2504-2505 2003
Author:Mutsumi Kimura, Kazumi Wada, Yayoi Iwashima, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai, Nagao Kobayashi


Synthesis of poly(6-azulenylethynyl)benzene derivatives as a multielectron redox system with liquid crystalline behavior
J. Am. Chem. Soc.,125(6):1669-1680 2003
Author:Shunji Ito, Haruki Inabe, Noboru Morita, Kazuchika Ohta, Teruo Kitamura, and Kimiaki Imafuku


Intra- and Intermolecular Photochemical Properties of Poly(amidoamine) Dendrons with an Anthracene at Focal Point
Bull. Chem. Soc., Jpn.,76(4):743-747 2003
Author:M. Fujitsuka, O. Ito, Y. Takaguchi, T. Tajima, K. Ohta, J. Motoyoshiya, and H. Aoyama


Discotic Liquid Crystals of Transition Metal Complexes 35: Establishment of a unique mesophase in bis(octaalkoxyphthalocyaninato)lutetium(III) complexes
J. Mater. Chem.,13(2):243-251 2003
Author:Fumihiro Maeda, Kazuaki Hatsusaka, Kazuchika Ohta and Mutsumi Kimura


Discotic Liquid Crystals of Transition Metal Complexes 34: Spectroscopic Properties of Bis[octakis(3,4-dialkoxyphenoxy)phthalocyaninato]lutetium(III) Complexes
J. Porphyrins Phthalocyanines,7(2):105-111 2003
Author:Kazuaki Hatsusaka and Kazuchika Ohta


Unique molecular structure and properties of novel purple intermediates of phthalocyanine derivative
J. Porphyrins Phthalocyanines,7(1):58-69 2003
Author:Fumihiro Maeda, Kenjiro Uno, Kazuchika Ohta, Makiko Sugibayashi, Naotake Nakamura, Takehiro Matsuse and Mutsumi Kimura


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
Bull. Chem. Soc., Jpn.,76(4):781-787 2003
Author:Kazuaki Hatsusaka, Mutsumi Kimura and Kazuchika Ohta


Discotic liquid crystalline semiconductors
Mol. Cryst. Liq. Cryst.,397(1):325-345 2003
Author:Kazuchika Ohta;Kazuaki Hatsusaka;Makiko Sugibayashi;Masahiro Ariyoshi;Kazue Ban;Fumihiro Maeda;Rie Naito;Kaoru Nishizawa;Anick M. van de Craats;John M. Warman


Photodimerization of Anthracene Having Dendritic Substituent within the Vaterite Crystal of CaCO3
Chem. Lett.,(11):1102-1103 2002
Author:Y. Takaguchi, Y. Yanagimoto, T. Tajima, K. Ohta, J. Motoyoshiya, and H. Aoyama


Aggregation Behavior of Amphiphilic Phthalocyanine Block Copolymers.
Langmuir,18(20):7683-7687 2002
Author:Mutsumi Kimura, Hiroyuki Ueki, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai, Nagao Kobayashi


Star-Shaped Stilbenoid Phthalocyanines
Chem. Mater.,14(6):2711-2717 2002
Author:M. Kimura, H. Narikawa, K. Ohta, K. Hanabusa, H. Shirai, and N. Kobayashi


Self-Organization of Supramolecular Complex Composed of Rigid Dendric Porphyrin and Fulleren
J. Am. Chem. Soc.,124(19):5274-5275 2002
Author:M. Kimura, Y. Saito, K. Ohta, K. Hanabusa, H. Shirai, and N. Kobayashi


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
J. Mater. Chem.,12(4):844-850 2002
Author:Teruhisa Nakai, Kazue Ban, Kazuchika Ohta and Mutsumi Kimura


Synthesis and characterization of a poly(amide amine) dendrimer disulfide having hydroxy groups as the terminals
Bull. Chem. Soc., Jpn.,75(6):1347-1351 2002
Author:Y. Takaguchi, K. Saito, S. Suzuki, K. Hamada, K. Ohta, J. Motoyoshiya, and H. Aoyama,


Reversible binding of C-60 to an anthracene bearing a dendritic poly(amidoamine) substituent to give a water-soluble fullerodendrimer
Angew. Chem., Int. Ed.,41(5):817-819 2002
Author:Yutaka Takaguchi, Tomoyuki Tajima, Kazuchika Ohta, Jiro Motoyoshiya, Hiromu Aoyama, Takatsugu Wakahara, Takeshi Akasaka, Mamoru Fujitsuka, and Osamu Ito


Science and Technology of Discotic Liquid Crystalline Semiconductors
日本液晶学会誌「液晶」,6:13-21 2002
Author:Kazuchika Ohta


ディスコティック液晶相のX線構造解析による同定
日本液晶学会誌「液晶」,6:61-71 2002
Author:太田和親


Synthesis and characterization of a poly(benzyl ether) dendron sulfenyl iodide
Phosphorus, Sulfur, and Silicon,176:61-67 2001
Author:Y. Takaguchi, S. Suzuki, K. Ohta, J. Motoyoshiya, and H. Aoyama


Solid dimorphism of tetra-arylcyclobutadienecobalt derivatives bearing long aliphatic lateral groups
Mol. Cryst. Liq. Cryst.,369:47-61 2001
Author:Yamanishi, H; Tomita, I; Ohta, K; Endo, T


Preparation of Ordered Stacked Phthalocyanine Polymers through Olefin Metathesis Reaction
Macromolecules,34(14):4706-4711 2001
Author:Mutsumi Kimura, Kazumi Wada, Kazuchika Ohta, Kenji Hanabusa, Hirofusa Shirai and Nagao Kobayashi


Organic Inorganic Composites Comprised of Ordered Stacks of Amphiphilic Molecular Discs
J. Am. Chem. Soc.,123(10):2438-2439 2001
Author:M. Kimura, K. Wada, K. Ohta, K. Hanabusa, H. Shirai and N. Kobayashi


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
J. Mater. Chem.,11(4):1063-1071 2001
Author:Hiroko Horie, Akira Takagi, Hiroshi Hasebe, Kazuchika Ohta and Iwao Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 30: Spontaneous Uniform Homeotropic Alignment of Octakis(dialkoxyphenoxy)phthalocyaninato Copper(II) Complexes
J. Mater. Chem.,11(2):423-433 2001
Author:Kazuaki Hatsusaka, Kazuchika Ohta, Iwao Yamamoto and Hirofusa Shirai


Discotic Liquid Crystals of Transition Metal Complexes 29: Mesomorphism and Charge Transport Properties of Alkylthio-substituted Phthalocyanine Rare-earth Metal Sandwich Complexes
J. Mater. Chem.,11(2):321-331 2001
Author:Kazue Ban, Kaoru Nishizawa, Kazuchika Ohta, Anick M. van de Craats, John M. Warman, Iwao Yamamoto and Hirofusa Shirai


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
J. Porphyrins Phthalocyanines,5(1):44-50 2001
Author:Rie Naito, Kazuchika Ohta and Hirofusa Shirai


XANES Spectral Changes for the Discotic Liquid Crystal of Bis[1,2-bis(3,4-dioctyloxyphenyl)ethanedionedioximato]Ni(II)
Advances in Quantum Chemistry,37:57-68 2001
Author:Mitsutoshi Yokomizo, Yoshio Oka-Inagaki, Kazuchika Ohta,Tsutomu Kurisaki, Toshio Yamaguchi,and Hisanobu Wakita


Optical Properties of Substituted Phthalocyanine Rare-earth Metal Complexes
J. Appl. Phys.,88(12):7137-7143 2000
Author:K. Yoshino, S. B. Lee,T. Sonoda, H. Kawagishi, R. Hidayat, K. Nakayama, M. Ozaki, K. Ban, K. Nishizawa, K. Ohta and H. Shirai


Photoresponsive Dendrimer: Syntheses and Characterizations of Anthracenes Bearing Dendritic Substitutents
Chem. Lett.,29(12):1388-1389 2000
Author:Yutaka Takaguchi, Tomoyuki Tajima, Kazuchika Ohta, Jiro Motoyoshiya, and Hiromu Aoyama


Discotic Liquid Crystals of Transition Metal Complexes 27: Supramolecular Structure of Liquid Crystalline Octakis-alkylthiophthalocyanines and their Copper Complexes
J. Mater. Chem.,10(5):1083-1090 2000
Author:Kazue Ban, Kaoru Nishizawa, Kazuchika Ohta, and Hirofusa Shirai


Fibrous Assemblies made of Amphiphilic Metallophthalocyanines
Langmuir,16(5):2078-2082 2000
Author:M. Kimura, T. Muto, H. Takimoto, K. Wada, K. Ohta, K. Hanabusa, H. Shirai and N. Kobayashi


A Smectic T phase of 1,4-dialkyl-1,4-diazoniabicylco[2.2.2]octane Dibromides
J. Mater. Chem.,10(3):613-616 2000
Author:Kazuchika Ohta, Teruki Sugiyama and Takashi Nogami


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
Polyhedron,19(3):267-274 2000
Author:Kazuchika Ohta, Yoshio Inagaki-Oka, Hiroshi Hasebe and Iwao Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 26: Supramolecular Structures of Long Chain-substituted Octaphenyltetrapyrazinoporphyrazine Derivatives
J. Mater. Chem.,9(10):2313-2320 1999
Author:Kazuchika Ohta, Satoru Azumane, Nagao Kobayashi and Iwao Yamamoto


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
Bull. Chem. Soc., Jpn.,72(6):1263-1271 1999
Author:Nagao Kobayashi;Ryuji Higashi;Kazuyuki Ishii;Kazuaki Hatsusaka;Kazuchika Ohta


Synthesis, Spectroscopy, Electrochemistry, and Mesomorphism of Triple-Decker Porphyrins Consisting of Two Cerium Ions and Three 5, 15-Diarylporphyrins
Bull. Chem. Soc., Jpn.,72(12):2719-2728 1999
Author:Hideya Miwa, Nagao Kobayashi, Kazue Ban, and Kazuchika Ohta


Anomalies within Alkyl and Alkoxy substituted Bis(1,3-diphenyl- propane-1,3- dionato)copper(II) Metallomesogens from X-ray and EPR Studies
Mol. Cryst. Liq. Cryst.,326:229-247 1999
Author:Monisha Bose, Kazuchika Ohta, Tosio Sakurai and Chanchal K. Majumdar


Discotic Liquid Crystals of Transition Metal Complexes 23: Synthesis and Mesomorphism of Tetrakis(3,4-di-n-alkylphenyl)porphyrin Derivatives and Their Metal Complexes.
J. Porphyrins Phthalocyanines,3(4):249-258 1999
Author:Kazuchika Ohta, Masahiro Ando and Iwao Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 22: Synthesis and Mesomorphism of Octa-alkoxy-substituted Tetraphenylporphyrin Derivatives and their Copper(II) Complexes.
Liq. Cryst.,26(5):663-668 1999
Author:Kazuchika Ohta,Nobuo Ando and Iwao Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 24: Synthesis and Mesomorphism of the Porphyrin Derivatives Substituted by Two or Four Steric Hindrance Groups
J. Mater. Chem.,8(12):2637-2650 1998
Author:Kazuchika Ohta, Noboru Yamaguchi, and Iwao Yamamoto


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
J. Mater. Chem.,8(9):1979-1991 1998
Author:Kazuchika Ohta, Ryuji Higashi,Mayumi Ikejima, Iwao Yamamoto and Nagao Kobayashi


Disk-like Liquid Crystals of Tansition Metal Complexes, Part 20: Pursuit of Chemistry to Directly Visualize van der Waals Interactions
J. Mater. Chem.,8(9):1971-1977 1998
Author:Kazuchika Ohta, Mayumi Ikejima, Mitsuo Moriya, Hiroshi Hasebe and Iwao Yamamoto


Anomalous Charge Transport in the Mesomorphic Free-radical Compound Bis(octakis-didodecyloxyphthalocyaninato)lutetioum(III)
J. Phys. Chem. B,101(45):9224-9232 1997
Author:Anick M. van de Craats, John M. Warman, Hiroshi Hasebe, Rie Naito and Kazuchika Ohta


Gels of Bis[1,2-bis(3,4-di-n-alkoxyphenyl)ethanedione dioximato]- palladium(II) Complexes
Bull. Chem. Soc., Jpn.,70(5):1199-1203 1997
Author:Kazuchika Ohta, Mitsuo Moriya, Mayumi Ikejima, Hiroshi Hasebe, Nagao Kobayashi and Iwao Yamamoto


Halogenovinyl sulfones 5. Synthesis of a dibenzopyran derivative from an intramolecular Diels-Alder reaction
Phosphorus, Sulfur, and Silicon,116(1):203-210 1996
Author:Iwao Yamamoto, Toshiyuki Kohara, Tetsuya Fujimoto and Kazuchika Ohta


Phosphonylation of Sugar Derivatives using Phosphanylium Cation
Heterocycl. Commun.,2:41-46 1996
Author:T. Kasaka, M.Kyoda, T. Fujimoto, K. Ohta, I. Yamamoto and A. Kakehi


Reaction of Cyclic Amino Phosphonium Salts with a-Chlorovinyl Sulfone
Phosphorus, Sulfur, and Silicon,108(1-4):99-102 1996
Author:T. Sakai, T. Fujimoto, K. Ohta and I. Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 19. Discotic Mesomorphism and Double Clearing Behavior of Octakis(dialkoxyphenyl)phthalocyanine Derivatives
Applied Organometallic Chemistry,10(8):623-635 1996
Author:Kazuchika Ohta, Satoru Azumane, Takuya Watanabe, Satoshi Tsukada and Iwao Yamamoto


Synthesis of Triphenylene-based Porphyrazinato Metal(II) Complexes which display Discotic Columnar Mesomorphism
J. Chem. Soc., Chem. Commun.,59:995-996 1995
Author:Bernhard Mohr, Gerhard Wegner and Kazuchika Ohta


Synthesis and Aza-Wittig Reactions of Cyclic Amino Phosphonium Salts
J. Org. Chem.,59(23):7144-7147 1994
Author:Toshito Sakai, Takuya Kodama, Tetsuya Fujimoto, Kazuchika Ohta, Iwao Yammoto, and Akikazu Kakehi


Reactions of the Chloro(diisopropylamino)phosphanylium Cation with Unsaturated Alcohols
J. Chem. Soc., Parkin Trans. 1,1994:2867-2872 1994
Author:Tatsuji Kasaka, Ayao Matsumura, Makoto Kyoda, Tetsuya Fujimoto, Kazuchika Ohta, and Akikazu Kakehi


Discotic Liquid Crystals of Transition Metal Complexes 18: Discotic Liquid Crystalline Behaviour in Phthalocyanine Compounds Substituted by Steric Hindrance Groups at the Core
J. Mater. Chem.,4(4):537-540 1994
Author:T.Komatsu, K.Ohta, T.Watanabe, H.Ikemoto, T.Fujimoto, and I.Yamamoto


Chromic Materials 1: Liquid Crystalline Behaviour and Electrochromism in Bis(octakis-n-alkylphthalocyaninato)- lutetium(III) Complexes
J. Mater. Chem.,4(4):533-536 1994
Author:T.Komatsu, K.Ohta, T.Fujimoto, and I.Yamamoto


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
J. Mater. Chem.,4(1):61-69 1994
Author:Kazuchika Ohta, Hajime Akimoto, Tetsuya Fujimoto, and Iwao Yamamoto


Green Phthalocyanine Derivatives Substituted by Eigth p,m-Di-n-Alkoxyphenyl Groups
Chemistry of Functional Dyes ,2:276-281 1993
Author:K.Ohta, S.Azumane, S.Tsukada, T.Watanabe, T.Fujimoto, and I.Yamamoto


Thermochromism and Solvatochromism of Liquid Crystalline Bis(diphenylglyoximato)platinum(II) Complexes
Chemistry of Functional Dyes ,2:801-805 1993
Author:M.Ikejima, M.Moriya, H.Hasebe, T.Fujimoto,I.Yamamoto, and K.Ohta


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
Bull. Chem. Soc., Jpn.,66(12):3559-3564 1993
Author:K.Ohta, M.Moriya, M.Ikejima, H.Hasebe, T.Fujimoto, and I.Yamamoto


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
Bull. Chem. Soc., Jpn.,66(12):3553-3558 1993
Author:K.Ohta, M.Moriya, M.Ikejima, H.Hasebe, T.Fujimoto, and I.Yamamoto


Synthesis of a Triene from a Cyclic Phosphonium Salt and Its Intramolecular Diels-Alder Reaction to give a Decalin Derivative
J. Chem. Research(S), Chem. Research(M),:486-487 3280-3289 1993
Author:T.Fujimoto, R.Nakao, Y.Hotei, K.Ohta, and I.Yamamoto


Stereoselective Synthesis of trans-Hydroazulene Derivatives by Tandem Michael Intramolecular Wittig Reactions of a Cyclic Phosphonium Ylide with Alkyl or Aryl 1-Cyclopentenyl Ketones
J. Org. Chem.,58(26):7322-7323 1993
Author:T.Fujimoto, Y.Uchiyama, Y.Kodama, K.Ohta,I.Yamamoto and A. Kakehi


Some Synthetic Utilities of Cyclic Phosphonium Salt
Phosphorus, Sulfur, and Silicon,77:170 1993
Author:T.Fujimoto, Y.Kodama, K.Ohta, and I.Yamamoto


Mesomorphic Phase Transitions of Tetraphenylporphirins with Four Long Alphatic Chains
Liq. Cryst.,14(3):795-805 1993
Author:Y.Shimizu, M.Miya, A.Nagata, K.Ohta, I.Yamamoto, and S.Kusabayashi


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
Mol. Cryst. Liq. Cryst.,214:161-169 1992
Author:K.Ohta, Y.Morizumi,T.Fujimoto, I.Yamamoto, K.Miyamura, and Y.Gohshi


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
Mol. Cryst. Liq. Cryst.,214:151-159 1992
Author:K.Ohta, Y.Morizumi, H.Ema, T.Fujimoto, and I.Yamamoto, and T.Sakurai


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
Mol. Cryst. Liq. Cryst.,214:143-149 1992
Author:K.Ohta, Y.Morizumi, H.Akimoto, O.Takenaka, T.Fujimoto, and I.Yamamoto


Synthesis of Cycloheptenyldiphenylphosphine Oxides from the Reactions of Cyclic Phosphonium Salt with a,b- Unsaturated Carbonyl Compounds
J. Chem. Soc., Chem. Commun.,1992(17):1263-1264 1992
Author:T.Fujimoto, Y.Takeuchi, K.Kai, Y.Hotei, K.Ohta, and I.Yamamoto


Halovinylsulfones 4. Synthesis and Some Reactions of 2-Phenylsulfonyl-2-propenyl Isothiocyanate
J. Heterocycl. Chem.,29(2):515-518 1992
Author:I.Yamamoto, K.Kajiwara, T.Fujimoto, and K.Ohta


Halogenovinyl Sulfones. Part 3. Synthesis of Polyfunctional cyclopropanes and Dihydrofurans from a-Bromovinyl Sulfones
J. Chem. Research(S), Chem. Research(M),:656-671 1992
Author:I.Yamamoto, N.Saiuchi, N.Futaesaku, K.Fujimoto, T.Fujimoto, and K.Ohta


二軸性ネマチック液晶相を示すβ-ジケトン系銅錯体
化学と工業,45:812 1992
Author:太田和親


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
J. Org. Chem.,56(15):4799-4802 1991
Author:T.Fujimoto, Y.Hotei, H.Takeuchi, S.Tanaka, K.Ohta, and I.Yamamoto


Thermochromism and Solvatochromism of Bis[1,2-di-(3,4-di-n-alkoxyphenyl)- ethanedione dioximato]nickel(II) Complexes
J. Mater. Chem.,1(5):831-834 1991
Author:K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 14: The Columnar Mesomorphism of the Branched-chain- substituted Tetrakis(dithioacetato)- dinickel(II) Complex
Mol. Cryst. Liq. Cryst.,208:55-63 1991
Author:K.Ohta, Y.Morizumi, H.Ema, T.Fujimoto, and I.Yamamoto


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
Mol. Cryst. Liq. Cryst.,208:43-54 1991
Author:K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto


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
Mol. Cryst. Liq. Cryst.,208:33-41 1991
Author:K.Ohta, H.Hasebe, M.Moriya, T.Fujimoto, and I.Yamamoto


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
Mol. Cryst. Liq. Cryst.,208:21-32 1991
Author:K.Ohta, H.Hasebe, H.Ema,M.Moriya, T.Fujimoto, and I,Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 10: Phthalocyanine Derivatives substituted with n-Alkoxyphenyl Side Chains
Liq. Cryst.,10(3):357-368 1991
Author:Kazuchika Ohta, Takuya Watanabe, Satoshi Tanaka, Tetuya Fujimoto, Iwao Yamamoto, Pierre Bassoul, Nathalie Kucharczyk, and Jacques Simon


Synthesis and Mesomorphic Properties of 4,4'-Di(n-alkyl)stilbenes
Mol. Cryst. Liq. Cryst.,201:147-160 1991
Author:Akira Takagi, Hiroshi Ema, Hiroshi Hasebe, Kazuchika Ohta, George Massouras, Tetsuya Fujimoto, and Iwao Yamamoto


Mesomorphic Phase transitions of 5,10,15,20-Tetrakis(4-n-dodecylphenyl)- porphirin
Chem. Lett.,(1):25-28 1991
Author:Yo Shimizu, Masaru Miya, Akira Nagata, Kazuchika Ohta, Ayao Matsumura, Iwao Yamamoto, and Shigekazu Kusabayashi


Discotic Liquid Crystals of Transition Metal Complexes 9: Synthesis and Properties of Discotic Liquid Crystals of Tetrapyrazinoporphirazine Derivatives
Mol. Cryst. Liq. Cryst.,196:13-26 1991
Author:K.Ohta, T.Watanabe, H.Hasebe, Y.Morizumi, T.Fujimoto, I.Yamamoto, D.Lelievre, and J.Simon


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
Mol. Cryst. Liq. Cryst.,195:123-133 1991
Author:K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 7: Dimer Discotic Rectangular Ordered Mesophase in Bis(p-n-alkoxybiphenylbutane-1,3-dionato)copper(II) Complexes
Mol. Cryst. Liq. Cryst.,195:135-148 1991
Author:K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto


Mesomorphism and Unusual Multiple Melting Behavior via Smectic E Phase in p-n-Alkoxybiphenyl- butane-1,3-dione
Mol. Cryst. Liq. Cryst.,195:103-121 1991
Author:K.Ohta, O.Takenaka, H.Hasebe, Y.Morizumi, T.Fujimoto, and I.Yamamoto


有機遷移金属錯体のディスコティック液晶
有機合成化学協会誌,49(5):486-496 1991
Author:太田和親、山本巖


Rod-like liquid crystals of organic transition metal complexes I. Reversible transformation between blue smectogen and red nematogen
Liq. Cryst.,8(3):311-330 1990
Author:K.Ohta, H.Ema, Y.Morizumi, T.Watanabe, T.Fujimoto, and I.Yamamoto


有機遷移金属錯体の液晶
Organometallic News,:128-132 1990
Author:太田和親


Chemistry of Cyclic Phosphorus Compounds.3. Synthesis of Pheromones Having an g, d-Unsaturated Ketone System from 1,1-Diphenylphospholanium Perchlorate
J. Org. Chem.,54(4):747-750 1989
Author:I.Yamamoto, S.Tanaka, T.Fujimoto, and K.Ohta


Synthesis and Columnar Mesomorphism of Octa(dodecyl)tetrapyrazinoporphyrazine and its Copper(II) Complex
J. Chem. Soc., Chem. Commun.,1989(21):1611-1613 1989
Author:K.Ohta, T.Watanabe, T.Fujimoto, and I.Yamamoto


π-Acceptors in Discotic Columnar Liquid Crystals; an Octa-substituted Bis(diphenylethane-1,2-dithiol)nickel Complex
J. Chem. Soc., Chem. Commun.,1989(21):1610-1611 1989
Author:K.Ohta, H.Hasebe, H.Ema, T.Fujimoto, and I.Yamamoto


Discotic Liquid Crystals of Transition Metal Complexes 6: Monotropic Lamella Mesomorphsim of Tetrakis- (n-alkyldithiolato)dinickel(II) and Bis(n-alkylxanthato)nickel(II) Complexes
Liq. Cryst.,3(12):1671-1687 1988
Author:K.Ohta, H.Ema, I.Yamamoto, and K.Matsuzaki


X-Ray Diffraction Studies on Discotic Lamellar Phase in Bis[1,3-di(p-n-alkoxy- phenyl)propane-1,3-dionato]copper(II)
Mol. Cryst. Liq. Cryst.,163(1):211-219 1988
Author:H.Sakashita, A.Nishitani, Y.Sumiya, H.Terauchi, K.Ohta, and I.Yamamoto


Influence of the Nature of the Side Chains on the Mesomorphic Properties of Octasubstituted Phthalocyanine Derivatives. Annelides XXIX
Nouv. J. Chim.,12:751-754 1988
Author:K.Ohta, L.Jacquemin, C.Sirlin, L.Bosio, and J.Simon


Laser Indused Triplet Excitons in the Columnar Phases of an Octasubstituted Metal Free Phthalocyanine
J. Am. Chem. Soc.,110(6):2001-2002 1988
Author:D.Markovitsi, T.-H. Tran-Thi, V.Briois, J.Simon, and K.Ohta


Electrical Properties of Condensed Phases of the Mesogen Bis(octadecyloxymethylphthalocyaninato)lutetium
Chem. Phys. Lett.,143(4):400-403 1988
Author:Z.Belarbi, M.Maitrot, K.Ohta, J.Simon, and J.J.Andre


Tandem Wittig Reactions of 1,1-Diphenylphosphorinanium Salt
J. Chem. Soc., Parkin Trans. 1,1987(1):1537-1539 1987
Author:I.Yamamoto, I.Fujimoto, K.Ohta, and K.Matsuzaki


Discotic Liquid Crystals of Transition Metal Complexes 5: Double Melting Behavior and Double Clearing Behavior of Discogens
Mol. Cryst. Liq. Cryst.,147(1):61-78 1987
Author:K.Ohta, H.Ema, H.Muroki, I.Yamamoto,and K.Matsuzaki


Discotic Liquid Crystals of Transition Metal Complexes 4: Novel Discotic Liquid Crystals obtained from Substituted Bis(dithiolene)nickel Complexes by a New Method
Mol. Cryst. Liq. Cryst.,147(1):15-24 1987
Author:K.Ohta, A.Takagi, H.Muroki, I.Yamamoto, K.Matsuzaki, T.Inabe, and Y.Maruyama


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)
Mol. Cryst. Liq. Cryst.,140(2-4):131-152 1986
Author:K.Ohta, H.Muroki, A.Takagi, K.Hatada, H.Ema, I.Yamamoto, and K.Matsuzaki


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
Mol. Cryst. Liq. Cryst.,140(2-4):163-177 1986
Author:K.Ohta, H.Muroki, K.Hatada, A.Takagi, H.Ema, I.Yamamoto, and K.Matsuzaki


Novel Discotic Liquid Crystals obtained from Substituted Bis(dithiolene)- nickel Complexes
J. Chem. Soc., Chem. Commun.,1986(11):883-884 1986
Author:K.Ohta, A.Takagi, H.Muroki, I.Yamamoto, K.Matsuzaki, T.Inabe, and Y.Maruyama


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)
Mol. Cryst. Liq. Cryst.,135(3-4):247-264 1986
Author:K.Ohta, H.Muroki, A.Takagi, I.Yamamoto, and K.Matsuzaki


Syntheses of Cyclopropanes and Dihydrofuranes from a-Chlorovinyl Sulfones
J. Chem. Soc., Parkin Trans. 1,1985:2785-2787 1985
Author:I.Yamamoto, T.Sakai, K.Ohta, and K.Matsuzaki


Synthesis of 5,6-Dihydro-2-thiouracils
Synthesis,1985(6-7):686-688 1985
Author:I.Yamamoto, K.Fukui, S.Yamamoto, K.Ohta, and K.Matsuzaki


Synthesis of Chlorovinyl Phenyl Sulfides and Sulfones from Diethyl Chloro-(phenylthio)-methanephosphate
Synthesis,1985(6-7):676-677 1985
Author:I.Yamamoto, T.Sakai, S.Yamamoto, K.Ohta, and K.Matsuzaki


Double Melting Behavior of Disk-like Complexes Substituted by Long Chains, 1: the Substituent Effect
Mol. Cryst. Liq. Cryst.,130(3-4):249-263 1985
Author:K.Ohta, H.Muroki, K.Hatada, I.Yamamoto, and K.Matsuzaki


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)
Mol. Cryst. Liq. Cryst.,116(3-4):299-307 1985
Author:K.Ohta, A.Ishii, H.Muroki, I.Yamamoto, and K.Matsuzaki


Discotic Liquid Crystals of Organocopper Complexes: the Substituent Effects
J. Chem. Soc., Chem. Commun.,1984(16):1099-1100 1984
Author:K.Ohta, A.Ishii, I.Yamamoto, and K.Matsuzaki


低次元電導体を目指した液晶
化学と工業,36:904-905 1983
Author:太田和親


Spectroscopic Studies on Polymorphism in Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II)
Mol. Cryst. Liq. Cryst.,73(3-4):205-221 1981
Author:K.Ohta, M.Yokoyama, and H.Mikawa


Square-planar trans-Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II), a New Compound exhibiting Three Kinds of 'Double Melting' Behaviour
Mol. Cryst. Liq. Cryst.,69(1-2):131-142 1981
Author:K.Ohta, M.Yokoyama, S.Kusabayashi, and H.Mikawa


Multiple Melting Behaviour in Square-planar trans-Bis-(1-p-n-alkylphenylbutane-1, 3-dionato)-copper (II)—The Effect of Alkyl Chain Length
Mol. Cryst. Liq. Cryst.,66(1):283-294 1981
Author:K.Ohta, G.-J.Jiang, M.Yokoyama, S.Kusabayashi, and H.Mikawa


Square-planar trans-Bis-(1-p-n-octylphenylbutane-1,3-dionato)- copper(II), a New Compound exhibiting Three Kinds of 'Double Melting' Behaviour
J. Chem. Soc., Chem. Commun.,1980(9):392-393 1980
Author:K.Ohta, M.Yokoyama, S.Kusabayashi, and H.Mikawa


その他
液体と固体をつなぐ—液晶の発見
化学 , 49:848-849 1994
Author:太田和親


液晶相の次元性と階層性:その次元性集合体の構造解析
信州大学繊維学部紀要 , :1-12 1994
Author:太田和親


液晶相の構造と加熱X線回析法による液晶相の判定
マックサイエンス技報 , 5: 2-14 1991
Author:太田和親


Crystal Structure of Bis(1-p-n-octylphenylbutane-1,3-dionato)copper(II), A Exhibiting Double Melting Behaviour
Tottori University , Reports of the Faculty of Engineering , :42-47 1985
Author:K.Fukuyama, T. Tsukihara. K.Ohta, and I.Yamamoto

教育活動実績

授業等
2002 , 物理化学
2002 , 分子集合化学