A highly selective synthesis of diarylethynes and their oligomers by a palladium-catalyzed Sonogashira coupling reaction under phase transfer conditions
Hf. Chow et al., A highly selective synthesis of diarylethynes and their oligomers by a palladium-catalyzed Sonogashira coupling reaction under phase transfer conditions, J ORG CHEM, 66(5), 2001, pp. 1910-1913