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Synfacts 2011(9): 0957-0957
DOI: 10.1055/s-0030-1261022
DOI: 10.1055/s-0030-1261022
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag
Stuttgart ˙ New York
Large PAHs with Small HOMO-LUMO Gaps
T.-A. Chen, R.-S. Liu*
National Tsing-Hua University, Hsinchu, Taiwan
Further Information
Publication History
Publication Date:
19 August 2011 (online)
Significance
Bis(aryl)diynes undergo PtCl2-catalyzed two-fold aromatization followed by a DDQ oxidation to give polycyclic aromatic hydrocarbons (PAHs) 1-4 in excellent yield. Extended PAH 5 was prepared from the corresponding bis(aryl)diyne with the use of ICl to effect the aromatization.