Phosphazene-catalyzed intramolecular cyclization of nitrogen-tethered alkynyl esters

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19 Citations (Scopus)

Abstract

Intramolecular cyclization of nitrogen-tethered alkynyl esters catalyzed by phosphazene organosuperbases P2-tBu and P4-tBu was investigated. Both acyclic and cyclic substrates underwent 5-exo-dig and 5-endo-dig cyclization. This reaction is a rare example of the intramolecular addition of enolates of simple esters to alkynes.

Original languageEnglish
Pages (from-to)10254-10256
Number of pages3
JournalChemical Communications
Volume49
Issue number87
DOIs
Publication statusPublished - 2013 Oct 8

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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