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Hierarchy of asymmetry in chiral supramolecular polymers. Toward functional, helical supramolecular structures.

07:00 EST 18th December 2018 | BioPortfolio

Summary of "Hierarchy of asymmetry in chiral supramolecular polymers. Toward functional, helical supramolecular structures."

The formation of helical structures by the supramolecular polymerization of a variety of self-assembling units is reviewed. These scaffolds are usually obtained by the operation of efficient transfer or amplification of chirality phenomena in which the starting self-assembling molecules possess different elements of asymmetry like point or axial chirality. We review herein relevant examples of helical supramolecular structures investigated under thermodynamic control and we also highlight the helical outcome of remarkable examples of chiral entities obtained through kinetic control. Finally, selected examples of flexible macroscopic chirality and catalysis are described to illustrate the applicability of helical aggregates.

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Name: Chemistry (Weinheim an der Bergstrasse, Germany)
ISSN: 1521-3765
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Medical and Biotech [MESH] Definitions

Polymers of N-SUBSTITUTED GLYCINES containing chiral centers at the a-position of their side chains. These oligomers lack HYDROGEN BONDING donors, preventing formation of the usual intrachain hydrogen bonds but can form helices driven by the steric influence of chiral side chains.

Congenital or acquired asymmetry of the face.

High-molecular-weight insoluble polymers that contain functional cationic groups capable of undergoing exchange reactions with anions.

High molecular weight insoluble polymers which contain functional anionic groups that are capable of undergoing exchange reactions with cations.

High molecular weight, insoluble polymers which contain functional groups that are capable of undergoing exchange reactions (ION EXCHANGE) with either cations or anions.

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