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Molecules 2018, 23(2), 277; doi:10.3390/molecules23020277

Synthesis and Self-Assembly of Chiral Cylindrical Molecular Complexes: Functional Heterogeneous Liquid-Solid Materials Formed by Helicene Oligomers

Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan
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Received: 24 November 2017 / Revised: 25 January 2018 / Accepted: 26 January 2018 / Published: 29 January 2018
(This article belongs to the Section Nanochemistry)

Abstract

Chiral cylindrical molecular complexes of homo- and hetero-double-helices derived from helicene oligomers self-assemble in solution, providing functional heterogeneous liquid-solid materials. Gels and liotropic liquid crystals are formed by fibril self-assembly in solution; molecular monolayers and fibril films are formed by self-assembly on solid surfaces; gels containing gold nanoparticles emit light; silica nanoparticles aggregate and adsorb double-helices. Notable dynamics appears during self-assembly, including multistep self-assembly, solid surface catalyzed double-helix formation, sigmoidal and stairwise kinetics, molecular recognition of nanoparticles, discontinuous self-assembly, materials clocking, chiral symmetry breaking and homogeneous-heterogeneous transitions. These phenomena are derived from strong intercomplex interactions of chiral cylindrical molecular complexes. View Full-Text
Keywords: cylindrical; double-helix; helicene oligomers; self-assembly; heterogeneous liquid-solid; molecular complex cylindrical; double-helix; helicene oligomers; self-assembly; heterogeneous liquid-solid; molecular complex
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Saito, N.; Yamaguchi, M. Synthesis and Self-Assembly of Chiral Cylindrical Molecular Complexes: Functional Heterogeneous Liquid-Solid Materials Formed by Helicene Oligomers. Molecules 2018, 23, 277.

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