Propargylidyne and Pentadiynylidyne Polyfunctionalised Polycyclic Aromatic Hydrocarbons |
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| Authors: | Dr. Benjamin J. Frogley Prof. Dr. Anthony F. Hill |
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| Affiliation: | Research School of Chemistry, The Australian National University, Canberra, ACT, 2601 Australia |
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| Abstract: | ![]()
The Pd0/AuI mediated [C1+C2] cross-coupling reactions of [W(≡CBr)(CO)2(Tp*)] (Tp*=hydrotris(dimethylpyrazolyl)borate) and trimethylsilylethynyl-substituted arenes afford new polycyclic aromatic hydrocarbon propargylidynes [W(≡CC≡CR)(CO)2(Tp*)] (R=9-anthracenyl, 1-pyrenyl). The strategy extends to the first bis(propargylidyne) and bis(pentadiynylidyne) complexes bridged by phenyl or anthracenyl spacers, and to a tetrakis(propargylidyne) connected through a pyrene core. |
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| Keywords: | alkylidynes carbynes catalysis cross-coupling polyaromatic hydrocarbon |
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