Induced chirality at the surface: fixation of a dynamic M/P invertible helical Co3 complex on SiO2

Satoshi Muratsugu; Kana Sawaguchi; Takafumi Shiraogawa; Shunsuke Chiba; Yoko Sakata; Sora Shirai; Hiroshi Baba; Masahiro Ehara; Shigehisa Akine; Mizuki Tada

doi:10.1039/D3CC05534E

Induced chirality at the surface: fixation of a dynamic M/P invertible helical Co₃ complex on SiO₂†

Satoshi Muratsugu,

*^ab Kana Sawaguchi,^ac Takafumi Shiraogawa,

^d Shunsuke Chiba,^e Yoko Sakata,

^ef Sora Shirai,^a Hiroshi Baba,^a Masahiro Ehara,

*^d Shigehisa Akine

*^ef and Mizuki Tada

*^abc

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* Corresponding authors

^a Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602 Aichi, Japan
E-mail: smuratsugu@chem.nagoya-u.ac.jp, tada.mizuki.u6@f.mail.nagoya-u.ac.jp

^b Integrated Research Consortium on Chemical Science (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602 Aichi, Japan

^c Research Center for Materials Science (RCMS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602 Aichi, Japan

^d Institute for Molecular Science/School of Physical Sciences, Graduate University for Advanced Studies, Myodaiji, Okazaki, Japan
E-mail: ehara@ims.ac.jp

^e Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Japan
E-mail: akine@se.kanazawa-u.ac.jp

^f Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Ishikawa, Japan

Abstract

Dynamic M/P invertible helicity was successfully induced at a SiO₂ surface immobilized with a dynamic helical trinuclear cobalt complex, [LCo₃(NHMe₂)₆](OTf)₃, using chiral ((R) or (S))-1-phenylethylamine. Solid-state CD spectra and theoretical calculations suggested that the fixation of the M/P helical complex on the surface via coordination interactions was the key factor of the induced chirality at the surface.

This article is part of the themed collection: ChemComm 60th Anniversary Board Member Collection

Chemical Communications

Induced chirality at the surface: fixation of a dynamic M/P invertible helical Co₃ complex on SiO₂†

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Induced chirality at the surface: fixation of a dynamic M/P invertible helical Co₃ complex on SiO₂

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