1H NMR conformational study of viologen-linked porphyrins.
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概要
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Novel porphyrins to which the viologen is linked (<I>m</I>-PC<I>n</I>V) were synthesized. The linkage methylene chain between the porphyrin and the bipyridine moieties was systematically changed from (CH<SUB>2</SUB>)<SUB>3</SUB> to (CH<SUB>2</SUB>)<SUB>6</SUB>. The molecular structure of <I>m</I>-PC<I>n</I>V was characterized by <SUP>1</SUP>H NMR in some detail. The orientation of the viologen with respect to the porphyrin plane in <I>m</I>-PC<I>n</I>V was semiquantitatively estimated from the porphyrin ring current induced chemical shift changes on the resonances from the viologen moiety. The NMR conformational analyses on <I>m</I>-PC<I>n</I>V in dimethyl sulfoxide and acetonitrile clearly revealed the effect of the solvent on its molecular structure.
- 公益社団法人 日本化学会の論文
著者
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Yamamoto Yasuhiko
Department Of Biochemistry And Molecular Vascular Biology Kanazawa University Graduate School Of Med
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Okura Ichiro
Department Of Bioengineering Tokyo Institute Of Technology
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Inoue Yoshio
Department Of Biomolecular Engineering Graduate School Of Engineering Tohoku University
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Okura Ichiro
Department of Biomolecular Engineering, Tokyo Institute of Technology
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Noda Sumio
Department of Bioengineering, Tokyo Institute of Technology
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Nanai Norishige
Department of Biomolecular Engineering, Tokyo Institute of Technology
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