Design and synthesis of helically chiral spirocyclic P3 phosphazenes and characterization of their onium salts

Masahiro Terada, Kengo Goto, Masafumi Oishi, Tadahiro Takeda, Eunsang Kwon, Azusa Kondoh

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Helically chiral spirocyclic P3 phosphazenes were designed as a novel family of chiral organosuperbases. The newly designed chiral P3 phosphazenes were synthesized from commercially available sources in several steps and characterized by X-ray crystallographic analysis of their onium salts. The optically pure P3 phosphazenium salt was obtained by using preparative chiral stationary phase HPLC and the absolute configuration of the helical chirality was determined.

Original languageEnglish
Pages (from-to)2531-2534
Number of pages4
JournalSynlett
Volume24
Issue number19
DOIs
Publication statusPublished - 2013 Oct 29

Keywords

  • chirality
  • enantiomeric resolution
  • helical structure
  • phosphazene
  • spirocycle

ASJC Scopus subject areas

  • Organic Chemistry

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