Formation of Novel 1:2 Adducts Between Bun3P.CS2 and Electron-deficient Alkynes

R Alan Aitken, S V RAUT, G FERGUSON

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The zwitterionic adduct between tri-n-butylphosphine and carbon disulphide reacts under neutral conditions with two equivalents of dimethyl- and diethyl acetylenedicarboxylate, dibenzoylacetylene and methyl benzoylpropiolate to give novel crystalline dithiole-containing phosphorus ylides. An X-ray structure, spectroscopic and chemical properties all show these to be significantly stabilised by delocalisation.

Original languageEnglish
Pages (from-to)8023-8030
Number of pages8
JournalTetrahedron
Volume48
Issue number37
Publication statusPublished - 11 Sept 1992

Keywords

  • TETRATHIAFULVALENE
  • ANALOGS
  • YLIDES

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