Hideki Ohtsu

2024

Synthesis and Photophysical Properties of Silver(I) Coordination Polymers Bridged by Dimethylpyrazine: Comparison of Emissive Excited States between Silver(I) and Copper(I) Congeners

Kuwahara, T., Ohtsu, H. & Tsuge, K., 2024/05/06, In: Inorganic Chemistry. 63, 18, p. 8120-8130 11 p.

Research output: Contribution to journal › Article › peer-review

2021

An NAD⁺-type earth-abundant metal complex enabling photo-driven alcohol oxidation

Ohtsu, H., Takaoka, M., Tezuka, Y., Tsuge, K. & Tanaka, K., 2021/12/25, In: Chemical Communications. 57, 99, p. 13574-13577 4 p.

Research output: Contribution to journal › Article › peer-review

Synthesis and Photophysical Properties of Emissive Silver(I) Halogenido Coordination Polymers Composed of {Ag₂X₂} Units Bridged by Pyrazine, Methylpyrazine, and Aminopyrazine

Kuwahara, T., Ohtsu, H. & Tsuge, K., 2021/02/01, In: Inorganic Chemistry. 60, 3

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

2019

A Novel Photo-Driven Hydrogenation Reaction of an NAD⁺-Type Complex Toward Artificial Photosynthesis

Ohtsu, H., Saito, T. & Tsuge, K., 2019/08/20, In: Frontiers in Chemistry. 7, 580.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Scopus citations

2018

Luminescent mixed-ligand iodido copper(I) coordination polymers having antenna effect

Sugimoto, S., Ohtsu, H. & Tsuge, K., 2018/02/15, In: Journal of Photochemistry and Photobiology A: Chemistry. 353, p. 602-611 10 p.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

2016

[2-(2,2'-Bipyridin-6-yl-κ²N¹,N¹')benzo[b][1,5]naphthyridine-κN¹]dichloridozinc

Tezuka, Y., Tsuge, K. & Ohtsu, H., 2016, In: IUCr Data. 1, p. x161779;1-3 3 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Chloridobis[2-(pyridin-2-yl-κN)benzo[b][1,5]naphthyridine-κN¹]copper(II) perchlorate acetonitrile disolvate

Ohtsu, H., Tezuka, Y., Narita, M., Tsuge, K. & Tanaka, K., 2016, In: IUCr Data. 1, p. x161562;1-3 3 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Construction of cis-fused hydrindane skeleton with a lactone tether utilizing intramolecular diels-Alder reaction

Yin, S., Takai, K., Minato, D., Sugimoto, K., Ohtsu, H., Tsuge, K. & Matsuya, Y., 2016, In: Heterocycles. 93, 2, p. 783-791 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

Dichlorido[2-(pyridin-2-yl-κN)benzo[b][1,5]naphthyridine-κN¹]zinc

Ohtsu, H., Oura, T., Takaoka, M., Tsuge, K. & Tanaka, K., 2016, In: IUCr Data. 1, p. x161093;1-3 3 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Four-electron reduction of a new ruthenium dicarbonyl complex having two NAD model ligands through decarboxylation in water

Fukushima, T., Ghosh, D., Kobayashi, K., Ohtsu, H., Kitagawa, S. & Tanaka, K., 2016/11/21, In: Inorganic Chemistry. 55, 22, p. 11613-11616 4 p.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Novel synthesis of a four-electron-reduced ruthenium(II) NADH-type complex under water-gas-shift reaction conditions

Ohtsu, H., Fujii, S., Tsuge, K. & Tanaka, K., 2016, In: Dalton Transactions. 45, 41, p. 16130-16133 4 p.

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Photochemical Properties and Reactivity of a Ru Compound Containing an NAD/NADH-Functionalized 1,10-Phenanthroline Ligand

Kobayashi, K., Ohtsu, H., Nozaki, K., Kitagawa, S. & Tanaka, K., 2016/03/07, In: Inorganic Chemistry. 55, 5, p. 2076-2084 9 p.

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

2015

Remarkable accelerating and decelerating effects of the bases on CO₂ reduction using a ruthenium NADH model complex

Ohtsu, H., Tsuge, K. & Tanaka, K., 2015/12/01, In: Journal of Photochemistry and Photobiology A: Chemistry. 313, p. 163-167 5 p.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

2014

Luminescence behaviour in acetonitrile and in the solid state of a series of lanthanide complexes with a single helical ligand

Hasegawa, M., Ohtsu, H., Kodama, D., Kasai, T., Sakurai, S., Ishii, A. & Suzuki, K., 2014/03, In: New Journal of Chemistry. 38, 3, p. 1225-1234 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

48 Scopus citations

Synthesis, structures and stability of amido gold(iii) complexes with 2,2′:6′,2′′-terpyridine

Iwashita, S., Saito, Y., Ohtsu, H. & Tsuge, K., 2014/11/14, In: Dalton Transactions. 43, 42, p. 15719-15722 4 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

2013

A novel triangular macrocyclic compound, [(tmeda)- Pt(azpy)] ₃ (PF₆)₆•13H₂O (tmeda: Tetramethylethylenediamine, azpy: 4,4'-Azopyridine)

Hashiguchi, R., Otsubo, K., Ohtsu, H. & Kitagawa, H., 2013, In: Chemistry Letters. 42, 4, p. 374-376 3 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

2012

An organic hydride transfer reaction of a ruthenium NAD model complex leading to carbon dioxide reduction

Ohtsu, H. & Tanaka, K., 2012/09/24, In: Angewandte Chemie - International Edition. 51, 39, p. 9792-9795 4 p.

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Catalytic Four-Electron Oxidation of Water by Intramolecular Coupling of the Oxo Ligands of a Bis(ruthenium-bipyridine) Complex

Wada, T., Ohtsu, H. & Tanaka, K., 2012/02/10, In: Chemistry - A European Journal. 18, p. 2374-2381 8 p.

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Drastic difference in the photo-driven hydrogenation reactions of ruthenium complexes containing NAD model ligands

Ohtsu, H. & Tanaka, K., 2012/01/12, In: Chemical Communications. 48, 12, p. 1796-1798 3 p.

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

2011

A new type of electrochemical oxidation of alcohols mediated with a ruthenium-dioxolene-amine complex in neutral water

Ozawa, H., Hino, T., Ohtsu, H., Wada, T. & Tanaka, K., 2011, In: Inorganica Chimica Acta. 366, 1, p. 298-302 5 p.

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

2010

Photoinduced four- and six-electron reduction of mononuclear ruthenium complexes having NAD⁺ analogous ligands

Fukushima, T., Wada, T., Ohtsu, H. & Tanaka, K., 2010/12/28, In: Dalton Transactions. 39, 48, p. 11526-11534 9 p.

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

π-Conjugated polymers consisting of isothianaphthene and dialkoxy-p-phenylene units: Synthesis, self-assembly, and chemical and physical properties

Yamamoto, T., Usui, M., Ootsuka, H., Iijima, T., Fukumoto, H., Sakai, Y., Aramaki, S., Yamamoto, H. M., Yagi, T., Tajima, H., Okada, T., Fukuda, T., Emoto, A., Ushijima, H., Hasegawa, M. & Ohtsu, H., 2010/10/01, In: Macromolecular Chemistry and Physics. 211, 19, p. 2138-2147 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Scopus citations

2009

The unprecedented role of a Cu^II cryptand in the luminescence properties of a Eu^III cryptate complex

Ohtsu, H., Suzuki, T., Ohtsuka, H., Ishii, A. & Hasegawa, M., 2009/07, In: Monatshefte fur Chemie. 140, 7, p. 783-787 5 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Ultrafast optical responses in one-dimensional Mott insulators of halogen-bridged Ni compounds

Tao, S., Miyagoe, T., Matsuzaki, H., Ohtsu, H., Hasegawa, M., Takaishi, S., Yamashita, M. & Okamoto, H., 2009, In: Journal of Physics: Conference Series. 148, 012011.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Ultra-thin emissive molecular devices: Polarized emission of Ln(III) complex films

Hasegawa, M., Kunisaki, S., Ohtsu, H. & Werner, F., 2009/07, In: Monatshefte fur Chemie. 140, 7, p. 751-763 13 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

2008

Polarized ff-emission of terbium(III) by using the stretched polymer film technique

Hasegwa, M., Ishii, A., Furukawa, K. & Ohtsu, H., 2008, In: Journal of Photopolymer Science and Technology. 21, 3, p. 333-338 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Scopus citations

Ultrafast optical responses in a one-dimensional mott insulator of a Br-bridged Ni compound

Miyagoe, T., Tao, S., Maeda, A., Matsuzaki, H., Ohtsu, H., Hasegawa, M., Takaishi, S., Yamashita, M. & Okamoto, H., 2008/02, In: Journal of the Physical Society of Japan. 77, 2, 023711.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

2007

Molecular distortion effect on ff-emission in a Pr(III) complex with 4,7-diphenyl-1,10-phenanthroline

Ishii, A., Kishi, S., Ohtsu, H., Iimori, T., Nakabayashi, T., Ohta, N., Tamai, N., Melnik, M., Hasegawa, M. & Shigesato, Y., 2007/06/25, In: ChemPhysChem. 8, 9, p. 1345-1351 7 p.

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Novel emission properties of melem caused by the heavy metal effect of lanthanides(III) in a LB film

Ishii, A., Habu, K., Kishi, S., Ohtsu, H., Komatsu, T., Osaka, K., Kato, K., Kimura, S., Takata, M., Hasegawa, M. & Shigesato, Y., 2007, In: Photochemical and Photobiological Sciences. 6, 7, p. 804-809 6 p.

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Remarkable functions of long-chain alkyl groups in halogen-bridged nickel(III) nanowire complexes

Ohtsu, H., Takaishi, S., Imamura, K., Ishii, A., Tanaka, K., Hasegawa, M. & Yamashita, M., 2007, In: European Journal of Inorganic Chemistry. 28, p. 4425-4428 4 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Ultrafast optical switching by using nanocrystals of a halogen-bridged nickel-chain compound dispersed in an optical polymer

Tao, S., Miyagoe, T., Maeda, A., Matsuzaki, H., Ohtsu, H., Hasegawa, M., Takaishi, S., Yamashita, M. & Okamoto, H., 2007/09/17, In: Advanced Materials. 19, 18, p. 2707-2710 4 p.

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

2006

Sequential reaction intermediates in aliphatic C-H bond functionalization initiated by a bis(μ-oxo)dinickel(III) complex

Cho, J., Furutachi, H., Fujinami, S., Tosha, T., Ohtsu, H., Ikeda, O., Suzuki, A., Nomura, M., Uruga, T., Tanida, H., Kawai, T., Tanaka, K., Kitagawa, T. & Suzuki, M., 2006/04/03, In: Inorganic Chemistry. 45, 7, p. 2873-2885 13 p.

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

2005

Electronic structural changes between nickel(II)-semiquinonato and nickel(III)-catecholato states driven by chemical and physical perturbation

Ohtsu, H. & Tanaka, K., 2005/05/20, In: Chemistry - A European Journal. 11, 11, p. 3420-3426 7 p.

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

2004

Chemical control of valence tautomerism of nickel(II) semiquinone and nickel(III) catecholate states

Ohtsu, H. & Tanaka, K., 2004/11/26, In: Angewandte Chemie - International Edition. 43, 46, p. 6301-6303 3 p.

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Equilibrium of Low- and High-Spin States of Ni(II) Complexes Controlled by the Donor Ability of the Bidentate Ligands

Ohtsu, H. & Tanaka, K., 2004/05/03, In: Inorganic Chemistry. 43, 9, p. 3024-3030 7 p.

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

2003

Characterization of a stable ruthenium complex with an oxyl radical

Kobayashi, K., Ohtsu, H., Wada, T., Kato, T. & Tanaka, K., 2003/06/04, In: Journal of the American Chemical Society. 125, 22, p. 6729-6739 11 p.

Research output: Contribution to journal › Article › peer-review

89 Scopus citations

2002

Formation of superoxide-metal ion complexes and the electron transfer catalysis

Fukuzumi, S., Ohtsu, H., Ohkubo, K., Itoh, S. & Imahori, H., 2002, In: Coordination Chemistry Reviews. 226, 1-2, p. 71-80 10 p.

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Ruthenium oxyl radical complex containing o-quinone ligand detected by ESR measurements of spin trapping technique

Kobayashi, K., Ohtsu, H., Wada, T. & Tanaka, K., 2002/08/05, In: Chemistry Letters. 8, p. 868-869 2 p.

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

2001

Characterization of imidazolate-bridged dinuclear and mononuclear hydroperoxo complexes

Ohtsu, H., Itoh, S., Nagatomo, S., Kitagawa, T., Ogo, S., Watanabe, Y. & Fukuzumi, S., 2001/06/18, In: Inorganic Chemistry. 40, 13, p. 3200-3207 8 p.

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Coordination of semiquinone and superoxide radical anions to the zinc ion in SOD model complexes that act as the key step in disproportionate of the radical anions

Ohtsu, H. & Fukuzumi, S., 2001/11/19, In: Chemistry - A European Journal. 7, 22, p. 4947-4953 7 p.

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Quantitative evaluation of Lewis acidity of zinc ion with tetradentate tripodal ligands in formation of the superoxide complexes

Ohtsu, H. & Fukuzumi, S., 2001, In: Chemistry Letters. 9, p. 920-921 2 p.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

2000

Characterization of imidazolate-bridged Cu(II)-Zn(II) heterodinuclear and Cu(II)-Cu(II) homodinuclear hydroperoxo complexes as reaction intermediate models of Cu,Zn-SOD

Ohtsu, H., Itoh, S., Nagatomo, S., Kitagawa, T., Ogo, S., Watanabe, Y. & Fukuzumi, S., 2000/06/21, In: Chemical Communications. 12, p. 1051-1052 2 p.

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Synthesis and characterization of imidazolate-bridged dinuclear complexes as active site models of Cu,Zn-SOD

Ohtsu, H., Shimazaki, Y., Odani, A., Yamauchi, O., Mori, W., Itoh, S. & Fukuzumi, S., 2000/06/21, In: Journal of the American Chemical Society. 122, 24, p. 5733-5741 9 p.

Research output: Contribution to journal › Article › peer-review

209 Scopus citations

The essential role of a Zn^II Ion in the disproportionation of semiquinone radical anion by an imidazolate-bridged Cu^II-Zn^II model of superoxide dismutase

Ohtsu, H. & Fukuzumi, S., 2000/12/15, In: Angewandte Chemie - International Edition. 39, 24, p. 4537-4539 3 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

1999

A novel imidazolate-bridged copper-zinc heterodinuclear complex as a Cu, Zn-SOD active site model

Ohtsu, H., Shimazaki, Y., Odani, A. & Yamauchi, O., 1999/12/07, In: Chemical Communications. 23, p. 2393-2394 2 p.

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Hideki Ohtsu

Research output

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