Synthesis of intermediary P3 phosphazenium framework and its derivatization to chiral cationic macrocycles including two P3 phosphazenium units with hydrogen bond donor sites

Masahiro Terada, Kengo Goto, Takashi Ikehara, Azusa Kondoh

Research output: Contribution to journalArticlepeer-review

Abstract

A new synthetic route to key intermediary phosphonium possessing a P3 phosphazene framework was developed. The reaction of the obtained intermediary phosphonium with chiral diamine, (1S,2S)-1,2-diphenyl-1,2-ethanediamine, resulted in the formation of 18-membered macrocyclic bisphosphazenium, the structure of which was verified by single-crystal X-ray diffraction analysis. The macrocyclic bisphosphazenium showed potential application as a chiral anion receptor and a chiral template in asymmetric catalysis.

Original languageEnglish
Pages (from-to)1396-1404
Number of pages9
JournalHeterocycles
Volume90
Issue number2
DOIs
Publication statusPublished - 2015

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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