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|Title:||Crystallographic evidence of an unusual, pentagon-shaped folding pattern in a circular aromatic pentamer|
|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|
|Appears in Collections:||Staff Publications|
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