ICCAS OpenIR
Folding and Aggregation of Cationic Oligo(aryl-triazole)s in Aqueous Solution
Wang, Ying1; Li, Fei2; Han, Yumiao1; Wang, Fuyi1; Jiang, Hua1
2009
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Volume15Issue:37Pages:9424-9433
AbstractCationic aryl triazole oligomers have been synthesized through "click chemistry". The results show that cationic aryl triazole oligomers adopt a helical conformation in water or in a mixture of water and methanol, but prevail as a random-coiled conformation in methanol. Importantly, circular dichroism spectroscopy and dynamic light scattering experiments revealed that cationic oligomers aggregated intermolecularly to form higher order architectures with a helical sense opposite to that of the individual helix, which eventually led to the formation of aggregates with sizes in the range 100-500 nm. The aggregation of cationic oligomers was governed by the concentration and polarity of the environment. More interestingly, cationic foldamers were able to recognize chloride and fluoride anions in aqueous solution. The recognition consequently destabilized intermolecular aggregation.
KeywordAggregation Click Chemistry Halides Molecular Recognition Triazoles
DOI10.1002/chem.200900546
Indexed BySCI ; IC
Language英语
WOS IDWOS:000270435500021
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:55[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66688
Collection中国科学院化学研究所
Corresponding AuthorJiang, Hua
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China
2.Beijing Inst Chem Technol, Fac Sci, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Wang, Ying,Li, Fei,Han, Yumiao,et al. Folding and Aggregation of Cationic Oligo(aryl-triazole)s in Aqueous Solution[J]. CHEMISTRY-A EUROPEAN JOURNAL,2009,15(37):9424-9433.
APA Wang, Ying,Li, Fei,Han, Yumiao,Wang, Fuyi,&Jiang, Hua.(2009).Folding and Aggregation of Cationic Oligo(aryl-triazole)s in Aqueous Solution.CHEMISTRY-A EUROPEAN JOURNAL,15(37),9424-9433.
MLA Wang, Ying,et al."Folding and Aggregation of Cationic Oligo(aryl-triazole)s in Aqueous Solution".CHEMISTRY-A EUROPEAN JOURNAL 15.37(2009):9424-9433.
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