Coloured products from thiopene and aromatic 1,2-diketones

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


Thiophene and phenanthrene-9,10-quinone react in acidic solution to produce the deep blue extended quinone (Z,Z)-2,5-di(9-oxo-9,10-dihydro-10-phenanthrylidene)-2,5-dihydrothiophene the structure of which is confirmed by X-ray crystallography. Other aromatic 1,2-diketones give rise to related products. (C) 2004 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)9255-9262
Number of pages8
Issue number41
Early online date26 Aug 2004
Publication statusPublished - 4 Oct 2004


  • thiophene
  • diketones
  • quinone
  • X-ray crystal structure
  • condensations
  • constitution
  • indophenine

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