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Synthesis of Polyfluoro Arylene-Based Poly(arylenevinylene)s via Pd-Catalyzed Dehydrogenative Direct Alkenylation
Hitoshi Saito1, Junpei Kuwabara1, Takeshi Yasuda2
1Tsukuba Research Center for Energy Materials Science, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8573, Japan.
Abstract:
In this study, π-conjugated poly(arylenevinylene)s are synthesized via the Pd-catalyzed dehydrogenative direct alkenylation of polyfluoroarenes with diethenyl aromatic monomer. The introduction of a fluoro group promotes the cross-coupling reaction, and the formation of the undesired homocoupling byproduct is minimized by optimizing the reaction conditions. The polycondensation reactions lead to the formation of poly(arylenevinylene)s with a well-defined trans-configuration. The obtained polymers are evaluated as emitting materials for organic light-emitting diodes.
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