Molecules 2007, 12(8), 1973-2000; doi:10.3390/12081973
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Supramolecular Chirality in Crystalline Assemblies of Bile Acids and Their Derivatives; Three-Axial, Tilt, Helical, and Bundle Chirality

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Received: 30 June 2007; in revised form: 20 August 2007 / Accepted: 20 August 2007 / Published: 22 August 2007
(This article belongs to the Special Issue Bile Acids)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Steroidal bile acids and their derivatives exhibit characteristic inclusion behaviors in the crystalline state. Their crystals present varied assemblies due to asymmetric molecular structures, which relate to supramolecular properties through cooperative weak interactions. An overview indicates that the steroidal assemblies lie in an intermediate position among various molecules and have hierarchical structures such as primary, secondary, tertiary, and host-guest assemblies like proteins. Such an interpretation brought about the idea that the assemblies with dimensionality present supramolecular chirality such as three-axial, tilt, helical, bundle, and complementary chirality. This concept of the supramolecular chirality enables us to understand formation of chiral crystals starting from the molecular chirality of the steroidal molecules.
Keywords: Steroidal bile acids; inclusion crystal; supramolecular chirality; helices; molecular tilt
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MDPI and ACS Style

Miyata, M.; Tohnai, N.; Hisaki, I. Supramolecular Chirality in Crystalline Assemblies of Bile Acids and Their Derivatives; Three-Axial, Tilt, Helical, and Bundle Chirality. Molecules 2007, 12, 1973-2000.

AMA Style

Miyata M, Tohnai N, Hisaki I. Supramolecular Chirality in Crystalline Assemblies of Bile Acids and Their Derivatives; Three-Axial, Tilt, Helical, and Bundle Chirality. Molecules. 2007; 12(8):1973-2000.

Chicago/Turabian Style

Miyata, Mikiji; Tohnai, Norimitsu; Hisaki, Ichiro. 2007. "Supramolecular Chirality in Crystalline Assemblies of Bile Acids and Their Derivatives; Three-Axial, Tilt, Helical, and Bundle Chirality." Molecules 12, no. 8: 1973-2000.

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