Synthesis, conformational studies and inclusion properties of N-substituted tetrahomodiazacalix[4]arenes

Kwanghyun No, Jong Seung Kim, Seyoung Kim, Duong Tuan Quang, In Chul Hwang, Jacques Vicens

Research output: Contribution to journalArticlepeer-review


A series of tetrahomodiazacalix[4]arenes (1-8) with different substituents (or substituted) at the upper rim and/or N-side arm has been synthesized with acceptable yields. The compounds were characterized by elemental analysis, IR, MS and NMR methods. In particular, 5 was shown by X-ray crystallography to adopt the cone conformation in the solid state. Twophase picrate extraction showed that 2 and 6, bearing N-2-picolyl arms, are the best extractants. Of the cations tested, Ag(I) is the best extracted by almost all ligands and the extraction efficiency follows the order 2-picolyl > 3-picolyl > 4-picolyl.

Original languageEnglish
Pages (from-to)353-360
Number of pages8
JournalJournal of Inclusion Phenomena and Macrocyclic Chemistry
Issue number3-4
Publication statusPublished - 2007 Aug
Externally publishedYes

Bibliographical note

Funding Information:
Acknowledgement This work was supported by the SRC program of KOSEF (R11-2005-017)


  • Cation complexation
  • Supramolecular chemistry
  • Tetrahomodiazacalix[4]arenes

ASJC Scopus subject areas

  • Food Science
  • General Chemistry
  • Condensed Matter Physics


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