Please use this identifier to cite or link to this item: https://doi.org/10.1021/ol801980h
Title: Crystallographic evidence of an unusual, pentagon-shaped folding pattern in a circular aromatic pentamer
Authors: Qin, B.
Chen, X.
Fang, X.
Shu, Y.
Yip, Y.K.
Yan, Y.
Pan, S.
Ong, W.Q.
Ren, C.
Su, H.
Zeng, H. 
Issue Date: 2008
Citation: Qin, B., Chen, X., Fang, X., Shu, Y., Yip, Y.K., Yan, Y., Pan, S., Ong, W.Q., Ren, C., Su, H., Zeng, H. (2008). Crystallographic evidence of an unusual, pentagon-shaped folding pattern in a circular aromatic pentamer. Organic Letters 10 (22) : 5127-5130. ScholarBank@NUS Repository. https://doi.org/10.1021/ol801980h
Abstract: (Figure Presented) Introduction of a continuous hydrogen-bonding network suppressed the conformational flexibility of an oligomeric backbone. Cyclization of a rigidified, suitably sized oligomer led to a circular aromatic pentamer. Its crystal structure determined by X-ray crystallography reveals a pseudo five-fold symmetric planarity in the solid state, which is quite unusual among all the previously described shape-persistent macrocycles and synthetic foldamers with biased conformations enforced by noncovalent forces. © 2008 American Chemical Society.
Source Title: Organic Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/75843
ISSN: 15237060
DOI: 10.1021/ol801980h
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