Facile Synthesis of Tuneable Azophosphonium Salts

Evi R.M. Habraken, Lars J.C. van der Zee, Koen N.A. van de Vrande, Andrew R. Jupp, Martin Nieger, Andreas W. Ehlers, J. Chris Slootweg*

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Azophosphonium salts have a facile synthesis and can be readily tuned at the para position of the aryl group and at the phosphorus position with the use of bulky phosphines, leading to a range of coloured compounds. A relation between the Hammett σ + para constant and the colour and 31 P NMR chemical shift was explored. The compounds were characterised by NMR spectroscopy, UV/Vis spectroscopy and single-crystal X-ray structure crystallography.

Original languageEnglish
Pages (from-to)1594-1603
Number of pages10
JournalEuropean Journal of Inorganic Chemistry
Volume2019
Issue number11
DOIs
Publication statusPublished - 31 Mar 2019
Externally publishedYes

Keywords

  • Diazonium salts
  • Donor–acceptor systems
  • Dyes/Pigments
  • Lewis acids
  • Phosphines

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