期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 25, 期 1, 页码 216-220出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201805637
关键词
gold catalysis; organic-field-effect transistor; pentalene; polycyclic aromatic hydrocarbons; tetrayne
资金
- DFG [SFB 1249-N-Heteropolyzyklen]
The gold-catalyzed facile synthesis of U-shaped and S-shaped bispentalenes is described from easily available tetra(arylethynyl)-benzenes and -naphthalenes. The optoelectronic and transistor properties were also investigated. The selectivity between the U-shaped and S-shaped bispentalene isomers can be tuned by the bulkiness of the ligand and the substrates. The S-shaped naphthalene-based bispentalene shows a one-dimensional face-to-face packing pattern in solid state and a good hole mobility, indicating that the S-shaped bispentalene core is highly suitable for transistor applications. The gold-catalyzed annulation of tetraynes provides a useful protocol in the synthesis of bispentalenes for organic semiconductors.
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