(E)-5,5′-Di(thiophen-2-yl)-3,3′-bi[thiophen-3(2H)-ylidene]-2,2′-diones—from conspicuous blue impurities to “quasi-metallic” golden-bronze crystals

Nicholas R. Evans, Andrew J. P. White
  • Organic & Biomolecular Chemistry, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3ob40373d