Palladium-catalyzed carbene coupling polymerization: synthesis of E -poly(arylene vinylene)s

The Pd-catalyzed carbene coupling reaction of -tosylhydrazones and benzyl bromides has been developed into a polymerization process for the first time, providing an efficient method for the synthesis of poly(arylene vinylene)s (PAVs). This method affords PAVs bearing -vinylene units predominantly. I...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2022-03, Vol.58 (25), p.4032-4035
Main Authors: Yao, Xing-Qi, Wang, Yi-Song, Wang, Jianbo
Format: Article
Language:English
Subjects:
Bromides
Carbenes
Chemical synthesis
Coupling
Optical properties
Palladium
Polymerization
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Summary:The Pd-catalyzed carbene coupling reaction of -tosylhydrazones and benzyl bromides has been developed into a polymerization process for the first time, providing an efficient method for the synthesis of poly(arylene vinylene)s (PAVs). This method affords PAVs bearing -vinylene units predominantly. It can also introduce a CF group on each vinylene carbon atom in the polymer main chain. The polymerization has a broad scope and the resultant polymers exhibit interesting optical properties and good thermal stabilities.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc06587d