Pyrene-armed calix[4]azacrowns as new fluorescent ionophores: "Molecular taekowndo" process via fluorescence change

Jong Seung Kim, Ok Jae Shon, Jeong Ah Rim, Sook Kyung Kim, Juyoung Yoon

Research output: Contribution to journalArticle

155 Citations (Scopus)

Abstract

A series of new calixarene-based fluoroionophores were synthesized. With our new calixarene derivative bearing a crown ether and an azacrown ether as two binding sites, the metal ion was found to selectively choose its better binding pocket between these two ligands. Interesting "molecular taekowndo" processes between Ag+-K+, Cu2+-K+, and Ag+-Cs+ pairs were easily monitored via fluorescence change.

Original languageEnglish
Pages (from-to)2348-2351
Number of pages4
JournalJournal of Organic Chemistry
Volume67
Issue number7
DOIs
Publication statusPublished - 2002 Apr 5
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry

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