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Title: Chiral crystallization of aromatic helical foldamers via complementarities in shape and end functionalities
Authors: Zhao, H.
Ong, W.Q.
Zhou, F.
Fang, X.
Chen, X.
Li, S.F.Y. 
Su, H.
Cho, N.-J.
Zeng, H. 
Issue Date: Jun-2012
Citation: Zhao, H., Ong, W.Q., Zhou, F., Fang, X., Chen, X., Li, S.F.Y., Su, H., Cho, N.-J., Zeng, H. (2012-06). Chiral crystallization of aromatic helical foldamers via complementarities in shape and end functionalities. Chemical Science 3 (6) : 2042-2046. ScholarBank@NUS Repository.
Abstract: Biomolecules such as α-helices are exclusively right-handed without contamination by their left-handed counterparts. Within the abiotic world, chiral or external perturbations have to be applied to the abiotic helical foldamers or polymers to control and bias their helical screw sense. Otherwise, it is not possible to separate racemic helical foldamers composed of achiral building blocks. By designing two complementary "sticky" groups, incorporating them into the ends of helical pentamers and taking advantage of the energetically more favored full overlap, which involves helical backbones, we succeeded in demonstrating, for the first time, a spontaneous resolution of racemic helices into their enantiopure single-handed helical forms via chiral crystallization without the use of chiral auxiliary or external stimuli. © 2012 The Royal Society of Chemistry.
Source Title: Chemical Science
ISSN: 20416520
DOI: 10.1039/c2sc20219k
Appears in Collections:Staff Publications

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