Synthesis and Photocyclization of Fluorinated Tetraphenylethylenes

Zhenglin Zhang; Thien Lieu; Xiqu Wang; Olafs Daugulis; Ognjen Miljanic

doi:10.26434/chemrxiv.14697399.v2

Organic Chemistry

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Synthesis and Photocyclization of Fluorinated Tetraphenylethylenes

01 June 2021, Version 2

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This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

Five extensively fluorinated tetraphenylethylene (TPE) derivatives have been synthesized using Cu-catalyzed C–H functionalization reactions and Stille couplings. Surprisingly, in contrast to the parent TPE, these compounds show little to no aggregation-induced emission (AIE). Instead, photocyclization into fluorinated phenanthrene products occurs.

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