Synthesis and Optical Properties of Fluorinated Tetraphenylethylenes

被引：4
|
作者：
Zhang, Zhenglin [1 ]
Lieu, Thien [1 ]
Wang, Xiqu [1 ]
Daugulis, Olafs [1 ]
Miljanic, Ognjen S. [1 ]
机构：
[1] Univ Houston, Dept Chem, 3585 Cullen Blvd 112, Houston, TX 77204 USA
来源：
CHEMPHOTOCHEM | 2022年 / 6卷 / 05期
基金：
美国国家科学基金会;
关键词：
copper; C-C coupling; fluorination; phenanthrene; palladium; photocyclization; AGGREGATION-INDUCED EMISSION; PHOTOCYCLIZATION; DERIVATIVES; RESTRICTION; MECHANISM; BOND;
D O I：
10.1002/cptc.202200011
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 photo-cyclization have been examined.
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页数：5
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