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


ABSTRACT: ?-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 ?-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.

SUBMITTER: Yang ZK 

PROVIDER: S-EPMC5913252 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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

Yang Ze-Kun ZK   Xu Ning-Xin NX   Takita Ryo R   Muranaka Atsuya A   Wang Chao C   Uchiyama Masanobu M  

Nature communications 20180423 1


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  ...[more]

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