Pyrolysis of β,γ,β'-Trioxo Phosphorus Ylides: Convenient Synthesis of Symmetrical and Unsymmetrical Diacylalkynes

R Alan Aitken, H HERION, A JANOSI, S V RAUT, S SETH, I J SHANNON, F C SMITH

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Flash vacuum pyrolysis of a series of 1,2,4-trioxo-3-triphenylphosphoranylidene-butane derivatives, formed by acylation of beta-oxo-phosphorus ylides with alpha-oxo-acid chlorides, results in extrusion of Ph3PO exclusively across the 2,3-position to give diacylalkynes.

Original languageEnglish
Pages (from-to)5621-5622
Number of pages2
JournalTetrahedron Letters
Volume34
Issue number35
Publication statusPublished - 27 Aug 1993

Keywords

  • ELEMENTO-ORGANIC COMPOUNDS
  • 6TH GROUPS
  • ACETYLENES
  • ALKYNES
  • 5TH

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