Picolyl-armed 1,3-alternate calix[4]areneazacrown ethers

Jong Seung Kim, Ok Jae Shon, Wonbo Sim, Sun Kyu Kim, Moon Hwan Cho, Jin Gyu Kim, Il Hwan Suh, Dong Won Kim

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

The synthesis of picolyl-armed 1,3-alternate calix[4]areneazacrown ethers was discussed. 2-picolyl-armed calixazacrown ether showed the highest selectivity for silver ion, based on two-phase extraction, bulk liquid membrane, H nuclear magentic resonance (NMR) and solid state studies on the ligand-metal complexation. This effect was due to electrostatic interaction through effective three-dimensional encapsulation assisted by the nitrogen atom of the 2-picolyl group.

Original languageEnglish
Pages (from-to)31-36
Number of pages6
JournalJournal of the Chemical Society. Perkin Transactions 1
Issue number1
Publication statusPublished - 2001 Jan 7
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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