四苯基噻吩

四苯基噻吩是一种有机化合物，化学式为C₂₈H₂₀S。它可由氯化苄和硫加热反应制得；^[2]二苯乙炔和硫化钾在DMF中反应^[3]，或四溴噻吩和苯硼酸反应^[4]，也能得到四苯基噻吩。它和溴反应，靠近硫原子的苯环的对位氢发生取代反应，生成2,5-二(4-溴苯基)-3,4-二苯基噻吩。^[5]

四苯基噻吩
识别
CAS号	1884-68-0  Y
性质
化学式	C28H20S
摩尔质量	388.52 g·mol−1
熔点	184—185 °C（457—458 K）[1]
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

参考文献

1. Masaya Nakano, Hayato Tsurugi, Tetsuya Satoh, Masahiro Miura. Palladium-Catalyzed Perarylation of 3-Thiophene- and 3-Furancarboxylic Acids Accompanied by C−H Bond Cleavage and Decarboxylation. Organic Letters. 2008-05, 10 (9): 1851–1854 [2020-11-19]. ISSN 1523-7060. doi:10.1021/ol800466b （英语）.
2. Y. S. Patil, P. H. Salunkhe, Y. H. Navale, V. B. Patil, V. P. Ubale, A. A. Ghanwat. Tetraphenylthiophene–thiazole-based π-conjugated polyazomethines: synthesis, characterization and gas sensing application. Polymer Bulletin. 2020-05, 77 (5): 2205–2226 [2020-11-19]. ISSN 0170-0839. doi:10.1007/s00289-019-02856-2 （英语）.
3. Jing-Hao Li, Qi Huang, Shun-Yi Wang, Shun-Jun Ji. Trisulfur Radical Anion (S 3 •– ) Involved [1 + 2 + 2] and [1 + 3 + 1] Cycloaddition with Aromatic Alkynes: Synthesis of Tetraphenylthiophene and 2-Benzylidenetetrahydrothiophene Derivatives. Organic Letters. 2018-08-03, 20 (15): 4704–4708 [2020-11-19]. ISSN 1523-7060. doi:10.1021/acs.orglett.8b02066 （英语）.
4. Han Nie, Kun Hu, Yuanjing Cai, Qian Peng, Zujin Zhao, Rongrong Hu, Junwu Chen, Shi-Jian Su, Anjun Qin, Ben Zhong Tang. Tetraphenylfuran: aggregation-induced emission or aggregation-caused quenching?. Materials Chemistry Frontiers. 2017, 1 (6): 1125–1129 [2020-11-19]. ISSN 2052-1537. doi:10.1039/C6QM00343E （英语）.
5. Shiang-Lin Deng, Tai-Lin Chen, Wei-Lun Chien, Jin-Long Hong. Aggregation-enhanced emission in fluorophores containing pyridine and triphenylamine terminals: restricted molecular rotation and hydrogen-bond interaction. J. Mater. Chem. C. 2014, 2 (4): 651–659 [2020-11-19]. ISSN 2050-7526. doi:10.1039/C3TC31592D （英语）.