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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