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Ryosuke Harada

Kyushu University

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Publication

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Chemical Communications | 2010

A water-soluble iridium(III) porphyrin

Hironobu Kanemitsu; Ryosuke Harada; Seiji Ogo

This work reports the synthesis and characterization of the first water-soluble iridium porphyrin, iridium(iii) diaqua porphyrin [Ir(III)(TSPP)(OH(2))(2)](3-) (1, TSPP = tetra-p-sulfonatophenyl porphyrin). The structure of 1 was unequivocally determined by single crystal X-ray analysis. Benzo-18-crown-6-ether is essential for producing single crystals suitable for X-ray analysis.

Chemical Communications | 2005

A porphyrin nanochannel: formation of cationic channels by a protonated saddle-distorted porphyrin and its inclusion behavior

Ryosuke Harada; Takahiko Kojima

A highly saddle-distorted dodecaphenylporphyrin dication (H4DPP2+) was revealed by X-ray crystallography to form positively charged porphyrin nanochannels which were 1 nm in diameter; chloride anion and redox-active hydroquinone could be incorporated in the channels.

Science | 2007

A dinuclear Ni(μ-H)Ru complex derived from H2

Seiji Ogo; Ryota Kabe; Keiji Uehara; Bunsho Kure; Takashi Nishimura; Saija C. Menon; Ryosuke Harada; Shunichi Fukuzumi; Yoshiki Higuchi; Takashi Ohhara; Taro Tamada; Ryota Kuroki

Dalton Transactions | 2006

Mechanistic investigation of CO2 hydrogenation by Ru(ii) and Ir(iii) aqua complexes under acidic conditions: Two catalytic systems differing in the nature of the rate determining step

Seiji Ogo; Ryota Kabe; Hideki Hayashi; Ryosuke Harada; Shunichi Fukuzumi

Angewandte Chemie | 2004

A Porphyrin Nanotube: Size‐Selective Inclusion of Tetranuclear Molybdenum–Oxo Clusters

Ryosuke Harada; Yoshihisa Matsuda; Hisashi Ōkawa; Takahiko Kojima

Chemistry of Materials | 2007

Porphyrin Nanotubes Based on Self-Assembly of Mo(V)−Dodecaphenylporphyrin Complexes and Inclusion of Mo−Oxo Clusters: Synthesis and Characterization by X-ray Crystallography and Transmission Electron Microscopy

Takahiko Kojima; Ryosuke Harada; Tatsuaki Nakanishi; Kenji Kaneko; Shunichi Fukuzumi

Chemistry: A European Journal | 2007

Selective Inclusion of Electron-Donating Molecules into Porphyrin Nanochannels Derived from the Self-Assembly of Saddle-Distorted, Protonated Porphyrins and Photoinduced Electron Transfer from Guest Molecules to Porphyrin Dications

Takahiko Kojima; Tatsuaki Nakanishi; Ryosuke Harada; Kei Ohkubo; Seigo Yamauchi; Shunichi Fukuzumi

Inorganica Chimica Acta | 2005

Synthesis and characterization of chromium(III) octaphenylporphyrin complexes with various axial ligands : An insight into porphyrin distortion

Ryosuke Harada; Yoshihisa Matsuda; Hisashi Ōkawa; Ryo Miyamoto; Seigo Yamauchi; Takahiko Kojima

Inorganica Chimica Acta | 2005

Synthesis, characterization, and distortion properties of vanadyl complexes of octaphenylporphyrin and dodecaphenylporphyrin

Ryosuke Harada; Hisashi Ōkawa; Takahiko Kojima

Acta Crystallographica Section E-structure Reports Online | 2004

(Aceto­nitrile‐κN)(2,3,5,7,8,10,12,13,15,17,18,20‐dodeca­phenyl­porphyrinato‐κ4N)­zinc(II) aceto­nitrile solvate

Takahiko Kojima; Ryosuke Harada

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Collaboration

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Takahiko Kojima

University of Tsukuba

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Shunichi Fukuzumi

Ewha Womans University

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Hisashi Ōkawa

Kyushu University

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Tatsuaki Nakanishi

Osaka University

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Kei Ohkubo

Osaka University

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Ryota Kabe

Kyushu University

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Seigo Yamauchi

Tohoku University

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Yoshihisa Matsuda

Kyushu University

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Bunsho Kure

Kyushu University

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Hironobu Kanemitsu

Kyushu University

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