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

Hae-Geun Jeon, Han Bit Jang, Philjae Kang, Ye Rin Choi, Junyoung Kim, Ji Hyun Lee, Moon-Gun Choi, Kyu-Sung Jeong

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)4404-4407
Number of pages4
JournalOrganic Letters
Volume18
Publication statusPublished - 2016 Aug 12

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