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Chiral poly(aromatic amide ester) dendrimers bearing an amino acid derived C-3-symmetric core: synthesis and properties

Romagnoli, B., van Baal, I., Price, D.W., Harwood, L.M. and Hayes, W. (2004) Chiral poly(aromatic amide ester) dendrimers bearing an amino acid derived C-3-symmetric core: synthesis and properties. European Journal of Organic Chemistry, 2004 (20). pp. 4148-4157. ISSN 1434-193X

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To link to this article DOI: 10.1002/ejoc.200400390

Abstract/Summary

The effect of hyperbranched macromolecular architectures (dendrimers) upon chirality has received significant attention in recent years in the light of the proposal of amplification of chirality. In particular, several studies have been carried out on the chiroptical properties of dendrimers that contain a chiral core and achiral branches in order to determine if the chirality of the central core can be transmitted to the distal. region of the macromolecule. In addition to interest of a pure academic nature, the presence of such chiral conformational order would be extremely useful in the development of asymmetric catalysts. In this paper, a novel class of chiral dendrimers is described - these perfect hyperbranched macromolecules have been prepared by a convergent route by the coupling of a chiral central core based upon tris(2-aminoethyl)amine and poly(aromatic amide ester) dendritic branches. The chiral properties of these dendrimers have been investigated by detailed optical rotation studies and circular dichroism analysis; the results of these studies are described herein. (C) Wiley-VCH Verlag GmbH Co.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11589
Uncontrolled Keywords:dendrimers, chirality, amino acids, amides, carboxylic acids, MOLECULAR-DYNAMICS SIMULATIONS, DENDRITIC MACROMOLECULES, CONVERGENT, APPROACH, ARCHITECTURE, POLYMERS

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