Multinuclear metal-binding ability of a carotene

Shinnosuke Horiuchi, Yuki Tachibana, Mitsuki Yamashita, Koji Yamamoto, Kohei Masai, Kohei Takase, Teruo Matsutani, Shiori Kawamata, Yuki Kurashige, Takeshi Yanai and Tetsuro Murahashi ()
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Shinnosuke Horiuchi: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Yuki Tachibana: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Mitsuki Yamashita: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Koji Yamamoto: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Kohei Masai: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Kohei Takase: Graduate School of Engineering, Osaka University
Teruo Matsutani: Graduate School of Engineering, Osaka University
Shiori Kawamata: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Yuki Kurashige: Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Takeshi Yanai: Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji
Tetsuro Murahashi: Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji

Nature Communications, 2015, vol. 6, issue 1, 1-8

Abstract: Abstract Carotenes are naturally abundant unsaturated hydrocarbon pigments, and their fascinating physical and chemical properties have been studied intensively not only for better understanding of the roles in biological processes but also for the use in artificial chemical systems. However, their metal-binding ability has been virtually unexplored. Here we report that β-carotene has the ability to assemble and align ten metal atoms to afford decanuclear homo- and heterometal chain complexes. The metallo–carotenoid framework shows reversible metalation–demetalation reactivity with multiple metals, which allows us to control the size of metal chains as well as the heterobimetallic composition and arrangement of the carotene-supported metal chains.

Date: 2015
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DOI: 10.1038/ncomms7742

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