Highly emissive hand-shaped π-conjugated alkynylpyrenes: Synthesis, structures, and photophysical properties

…, M Era, MRJ Elsegood, SJ Teat, T Yamato

Index: Hu, Jian-Yong; Ni, Xin-Long; Feng, Xing; Era, Masanao; Elsegood, Mark R. J.; Teat, Simon J.; Yamato, Takehiko Organic and Biomolecular Chemistry, 2012 , vol. 10, # 11 p. 2255 - 2262

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Citation Number: 16

Abstract

Three alkynyl-functionalised, hand-shaped, highly fluorescent and stable emitters, namely, 2- tert-butyl-4, 5, 7, 9, 10-pentakis (pR-phenylethynyl) pyrenes have been successfully synthesized via a Pd/Cu-catalysed Sonogashira cross-coupling reaction. The chemical structures of the alkynylpyrenes were fully characterized by their 1H/13C NMR spectra, mass spectroscopy and elemental analysis. Synchrotron single-crystal X-ray analysis revealed ...