Helical Aromatic Foldamers Functioning as a Fluorescence Turn-on Probe for Anions

Helical Aromatic Foldamers Functioning as a Fluorescence Turn-on Probe for Anions

Indolocarbazole-pyridine hybrid foldamers are strongly fluorescent in an extended random conformation, but the fluorescence is completely quenched upon folding to a helical conformation due to the compact stacking between aryl planes in the backbone. Anion binding disturbs the helical conformation,...

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Veröffentlicht in:Organic letters 2016-09, Vol.18 (17), p.4404-4407
Hauptverfasser: Jeon, Hae-Geun, Jang, Han Bit, Kang, Philjae, Choi, Ye Rin, Kim, Junyoung, Lee, Ji Hyun, Choi, Moon-Gun, Jeong, Kyu-Sung
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container_end_page 4407
container_issue 17
container_start_page 4404
container_title Organic letters
container_volume 18
creator Jeon, Hae-Geun
Jang, Han Bit
Kang, Philjae
Choi, Ye Rin
Kim, Junyoung
Lee, Ji Hyun
Choi, Moon-Gun
Jeong, Kyu-Sung
description Indolocarbazole-pyridine hybrid foldamers are strongly fluorescent in an extended random conformation, but the fluorescence is completely quenched upon folding to a helical conformation due to the compact stacking between aryl planes in the backbone. Anion binding disturbs the helical conformation, thus regenerating the fluorescence of the foldamers. This unique property has been utilized to develop a fluorescence turn-on probe for anions such as sulfate and fluoride.
doi_str_mv 10.1021/acs.orglett.6b02156
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title Helical Aromatic Foldamers Functioning as a Fluorescence Turn-on Probe for Anions
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