Right-handed helical structure of expanded oligo(L-leucine) containing [Ru(terpyridine)2]2+ moieties |
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| Authors: | Okamura Taka-aki Iwamura Taku Seno Shuichiro Yamamoto Hitoshi Ueyama Norikazu |
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| Affiliation: | Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan. |
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| Abstract: | Expanded oligo(l-leucine)s, containing an alternate arrangement of a bis(terpyridine)ruthenium(II) moiety and a l-leucine residue, were synthesized and characterized by 1H NMR, UV, CD, and electrochemical properties. The intensity of CD spectra per ruthenium unit increased with the elongation of the peptide chain. 1H NMR analysis of a tetramer indicated the right-handed helical structure in acetonitrile. |
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