Synthesis and Optical Properties of Fluorinated Tetraphenylethylenes**
Synthesis and Optical Properties of Fluorinated Tetraphenylethylenes**
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氟化四苯乙烯的合成和光学性质**
DOI：
10.1002/cptc.202200011
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发表时间：
2022
期刊：
影响因子：
3.7
通讯作者：
Miljanić, Ognjen Š.
中科院分区：
文献类型：
--
作者：
Zhang, Zhenglin;Lieu, Thien;Wang, Xiqu;Daugulis, Olafs;Miljanić, Ognjen Š.
使用铜催化的C-H官能化反应和Stille偶联反应的组合合成了四种广泛氟化的四苯乙烯（TPE）和一种广泛氟化的三苯乙烯。令人惊讶的是，与母体TPE相比，这些化合物显示出很少或没有聚集诱导发射（AIE）。相反，发生光环化成氟化菲产物。考察了溶剂和氧气对环化反应产率和选择性的影响。
Four extensively fluorinated tetraphenylethylenes (TPE) and one extensively fluorinated triphenylethylene have been synthesized using combinations of copper‐catalyzed C−H functionalization reactions and Stille coupling reactions. Surprisingly, in contrast to the parent TPE, these compounds show little to no aggregation‐induced emission (AIE). Instead, photocyclization into fluorinated phenanthrene products occurs. Effects of solvent and oxygen on the yield and selectivity of this photocyclization have been examined.