13) Vapochromism Induced by Volatile Organic Compounds with Low Coordinating Ability in a Benzimidazole-derived N-Heterocyclic Carbene Ni(II) Complex
Tatsunari Murakami, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
Inorg. Chem. in press (Featured Article)
The initial version available on ChemRxiv (Link)

12) Guest Exchange as a Synthetic Strategy for Hydrogen-Bonded Organic Frameworks
Shun Ohta, Momo Ishii, Tatsunari Murakami, Masaaki Okazaki
Inorg. Chem. 2025, 64, 10353–10358 (Link)
The initial version available on ChemRxiv (Link)

11) A Zirconium Complex Bearing a [NPN] Tridentate Ligand Composed of Dibenzophosphole and Pyrrolide Moieties: Synthesis, Structure, and Ethylene-Polymerization Ability
Tomoyuki Toda, Yuzuki Kasahara, Jin Iwasaki, Ayana Wakatsuki, Shun Ohta, Yoshihiro Matano, Katsuhiko Takenaka
Organometallics 2025, 44, 128–136 (Link)

10) Synthesis and Polymerization Activity of Phosphine-Pyrrolido [PN] Titanium and Zirconium Complexes
Jin Iwasaki, Tomoyuki Toda, Ayana Wakatsuki, Shun Ohta, Kei Nishii, Yoshihiro Matano, Katsuhiko Takenaka
Appl. Organomet. Chem. 2025, 39, e7928 (Link)

9) Cis-1,4-Specific Polymerization of 1,3-Conjugated Dienes with Bis(benzimidazole)NiCl2 Catalyst System
Yasuyuki Ueda, Kakeru Tsukahara, Masahito Hasumi, Kohei Uyama, Hiroshi Yukawa, Takehito Kato, Tomoyuki Toda, Shun Ohta, Kei Nishii
Polymer 2024, 315, 127806 (Link)

8) Synthesis, Structural Analysis, and Polymerization Activity of Non-Cyclopentadienyl Constrained Geometry Complex [Me2Si(Ph2C)(tBuN)]ZrCl2(thf)
Tomoyuki Toda, Itaru Miura, Shun Ohta, Katsuhiko Takenaka
Appl. Organomet. Chem. 2024, 38, e7710 (Link)

7) Synthesis of 2,4,6-Triaryl-1,3,5-triazines via the Cyclotrimerization of Benzonitriles with Catalytic Systems Composed of Titanium Chlorido Complexes and Magnesium
Shun Ohta, Keiichiro Saitoh, Karin Oikawa, Sohta Konari, Tomoyuki Toda, Jun Kawakami, Masaaki Okazaki
Eur. J. Inorg. Chem. 2024, 27, e202400286 (Link)

6) Color-change Behavior of a Bis(benzimidazole)-coordinated Nickel-dichlorido Complex Induced by the Adsorption of Pyridine or Ammonia Vapor
Tatsunari Murakami, Takahiro Homma, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
Transit. Met. Chem. 2024, 49, 229–325 (Link)

5) Water-tolerant Hydrogen-bonded Organic Framework Based on Phenylbis(benzimidazol-2-yl)methanol: Synthesis, Structural Characterization, and Organic-vapor-adsorption Properties
Shun Ohta, Tatsuya Hatakeyama, Shusuke Fujita, Tomoyuki Toda, Masanobu Sagisaka, Masaaki Okazaki
Cryst. Growth Des. 2024, 24, 1603–1611 (Link)

4) Aggregation-induced Emission and Solid-State Fluorescence of 2-(4-(N,N-diphenylamino)phenyl)tryptanthrin
Jun Kawakami, Mizuki Harada, Yutaro Akagi, Masahiro Takahashi, Shun Ohta, Shunji Ito
J. Jpn. Soc. of Colour Mater., 2023 96 333–337 (Link)

3) Activation of unsaturated small molecules by bio-relevant multinuclear metal-sulfur clusters
Kazuki Tanifuji, Shun Ohta, Yasuhiro Ohki, Hidetake Seino
Coord. Chem. Rev. 2023 475 214838 (Link)

2) Synthesis, Structural Characterization, and Guest-exchange Properties of Hydrogen-bonded Organic Frameworks based on Bis(benzimidazole)ZnCl2 Complexes
Yurika Iwabuchi, Ryoga Yamaguchi, Tatsunari Murakami, Masaaki Okazaki, Shun Ohta
Inorg. Chem. 2022, 61, 19890–19898 (Link)

1) Ethylene and propylene polymerization by bis(indolyl)-coordinated titanium dichlorido complexes activated by modified methylaluminoxane
Shun Ohta, Keigo Itoh, Tomoyuki Toda, Kei Nishii, Masaaki Okazaki
Polym. J. 2022 54 223–227 (Link)

2) 理論上生成できない分子の捕捉 含窒素五員環アラインをもつニッケル錯体の合成
Shun Ohta
Chemistry 2024 79 65–66 (Link)

1) A Hydrogen-bonded Framework that Selectively Adsorbs the Vapor of Polar Organic Compounds
Shun Ohta
Chemical Industry 2022 73 389–394 (Link)

7) Hydrogen-bonded organic frameworks based on bis(benzimidazole) derivatives
Shun Ohta
The 10th Asian Conference on Coordination Chemistry (ACCC10), 2025年10月24–27日, ベトナム・ハノイ（予定）

6) ビス(ベンゾイミダゾール)誘導体をモノマーとする結晶性非共有結合型高分子
太田 俊
2024年度（令和6年度）東北地区先端高分子セミナー, March 17&18, 2025, Hirosaki

5) Crystalline Hydrogen-bonded Networks for the Adsorption of Polar Volatile Organic Compounds
Shun Ohta
International Congress on Pure & Applied Chemistry Kota Kinabalu (ICPAC Kota Kinabalu) 2022, Nobember 22–27, 2022, Hybrid conference at Kota Kinabalu, Malaysia, and online

4) 錯体化学を基盤とする環境にやさしい材料の開発
Shun Ohta
NIT, Oyama college「環境科学」講演会, May 11, 2022, online

3) Structures and Functions of Crystalline Noncovalent Polymers synthesized by Bis(benzimidazole)-coordinated Metal Dichlorido Complexes
Shun Ohta
第70回高分子学会北陸支部若手会, December 17, 2021, online

2) Structures and Functions of Crystalline Noncovalent Polymers based on Bis(benzimidazole)-coordinated Metal Dichlorido Complexes
Shun Ohta
2021高分子学会東北支部研究発表会, November 1&2, 2021, online

1) 錯体化学に立脚した環境にやさしい材料の開発
Shun Ohta
NIT, Oyama college「環境科学」講演会, May 12, 2021, online

3) Japanese Patent Application No.2024-171411

2) Patent No.7325809
Shun Ohta, Yurika Iwabuchi, Ryota Mukai

1) Patent No.7325808
Shun Ohta, Yurika Iwabuchi

6)【弘前大学 研究室探訪！】～理工学部 錯体化学研究室（太田俊助教）編
Hirosaki University Channel on YouTube, February 24, 2023(Link)

5) 極性のある有機化合物を選択的に吸着する水素結合ネットワーク材料
Shun Ohta
Hirosaki University Channel on YouTube, November 2, 2021(Link)

4) 極性のある有機化合物を選択的に吸着する水素結合ネットワーク材料
Shun Ohta
channel新技術説明会 on YouTube, March 27, 2021(Link)

3) 柔軟性高い結晶性材料
Shun Ohta
Hirosaki University Channel on YouTube, February 10, 2020(Link)

2) くさいだけじゃない !? "アンモニア”の大切さとその新しいつくりかた
Shun Ohta
青い森しんきん　とれんど情報　8月号, August 20, 2017

1) マグネシウムに自然エネルギーを蓄えて活用する
Shun Ohta
FM Apple Wave "りんご王国こうぎょくカレッジ", Janually 29, 2017, Hirosaki

6) March 2025　The 105th CSJ Annual Meeting CSJ Student Presentation Award（Tatsunari Murakami）

5) August 2024　錯体化学若手の会 近畿支部 第66回勉強会　優秀ポスター賞（Tatsunari Murakami）

4) May 2024 International symposium on energy, environmental, and material science (ISEEMS)　Outstanding Oral Presentation Award（Tatsunari Murakami）

3）December 2020 R2 Hirosaki Univeristy Outstanding Young Thesis Award (Shun OHTA)

2) March 2017 H28弘前大学若手・新任研究者支援事業研究成果発表会優秀賞 (Shun OHTA)

1) Janually 2016 BCSJ award (Shun OHTA)

8) Structures and properties of hydrogen-bonded organic frameworks (HOFs) based on bis(benzimidazolyl)methane derivatives,and the development into a synthetic strategy for HOFs using guest exchange
Shun Ohta, Yurika Iwabuchi, Ryota Mukai, Momo Ishii, Tomoyuki Toda, Masaaki Okazaki
74th Symposium on Macromolecules, Sep. 16–18, 2025, Suita(Oral・Scheduled)

7) Vapochromic behavior induced by volatile organic compounds with low coordinating ability in a benzimidazole-derived N-heterocyclic carbene–Ni(II) complex
Tatsunari Murakami, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
The 75th Conference of JSCC, Sep. 15–17, 2025, Nagasaki(Poster・Scheduled)

6) A Guest Exchange Method for the Synthesis of Hydrogen-bonded Organic Frameworks: A Proof of Concept Using a Bis(benzimidazole)-Coordinated Zinc Dichlorido Complex
Momo Ishii, Tatsunari Murakami, Masaaki Okazaki, Shun Ohta
The 75th Conference of JSCC, Sep. 15–17, 2025, Nagasaki(Poster・Scheduled)

5) Vapor Adsorption Properties of a Hydrogen-bonded Organic Framework Based on a Bis(benzimidazole)-Coordinated Nickel Dibromido Complex
Hiroto Kikuya, Tomoyuki Toda, Masaaki Okazaki, Shun Ohta
The 75th Conference of JSCC, Sep. 15–17, 2025, Nagasaki(Poster・Scheduled)

4) Vapochromic behavior of a dicationic nickel(II) complex having benzimidazolylmethyl-functionalized NHC ligands induced by organic vapors with low coordinating ability
Tatsunari Murakami, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
The 105th CSJ Annual Meeting（2025）, March 26–29, 2025, Suita(Oral)
CSJ Student Presentation Award

3) Catalytic Cyclotrimerization of Alkynes by a Bis(indolyl)-coordinated Titanium Dimethylamido Complex
Honoka murakami , Yuki Kawahawa, Takanori Kawabuchi, Karin Oikawa, Masaaki Okazaki, Shun Ohta
The 105th CSJ Annual Meeting（2025）, March 26–29, 2025, Suita(Oral)

2) Crystal structures and properties of bis(benzothiazolyl)methane derivatives
Kanato Ohgaki, Tomoyuki Toda, Masaaki Okazaki, Shun Ohta
The 105th CSJ Annual Meeting（2025）, March 26–29, 2025, Suita(Oral)

1) Synthesis of hydrogen-bonded organic frameworks based on a bis(benzimidazole)-coordinated zinc dichlorido complex using guest exchange
Shun Ohta, Momo Ishii, Masaaki Okazaki
The 105th CSJ Annual Meeting（2025）, March 26–29, 2025, Suita(Oral)