Cross-coupling polycondensation via C–O or C–N bond cleavage

Ze-Kun Yang, Ning-Xin Xu, Ryo Takita, Atsuya Muranaka, Chao Wang () and Masanobu Uchiyama ()
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Ze-Kun Yang: The University of Tokyo
Ning-Xin Xu: The University of Tokyo
Ryo Takita: Advanced Elements Chemistry Laboratory, RIKEN
Atsuya Muranaka: Advanced Elements Chemistry Laboratory, RIKEN
Chao Wang: The University of Tokyo
Masanobu Uchiyama: The University of Tokyo

Nature Communications, 2018, vol. 9, issue 1, 1-7

Abstract: Abstract π-Conjugated polymers are widely used in optoelectronics for fabrication of organic photovoltaic devices, organic light-emitting diodes, organic field effect transistors, and so on. Here we describe the protocol for polycondensation of bifunctional aryl ethers or aryl ammonium salts with aromatic dimetallic compounds through cleavage of inert C–O/C–N bonds. This reaction proceeds smoothly in the presence of commercially available Ni/Pd catalyst under mild conditions, affording the corresponding π-conjugated polymers with high molecular weight. The method is applicable to monomers that are unreactive in other currently employed polymerization procedures, and opens up the possibility of transforming a range of naturally abundant chemicals into useful functional compounds/polymers.

Date: 2018
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DOI: 10.1038/s41467-018-03928-z

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