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Synfacts 2008(11): 1163-1163  
DOI: 10.1055/s-0028-1083476
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Efficient Five-Fold Ethynlylation of Corannulenes

Contributor(s): Timothy M. Swager, Jeewoo Lim
Y-T. Wu, D. Bandera, R. Maag, A. Linden, K. K. Baldridge*, J. S. Siegel*
University of Zurich, Switzerland and National Cheng-Kung University, Taiwan
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Publication History

Publication Date:
23 October 2008 (online)

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Significance

While unfunctionalized corannulene is an inefficient fluorophore with poor solubility properties, its ethynyl-substituted derivatives display enhanced properties. In this paper, the authors report an efficient method of a five-fold ethynylation of pentachlorocorannulene (1).