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Synthesis and Characterization of π-Conjugated Polymers with a 2,5-Substituted Phosphole Skeleton

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Summary

Novel π-conjugated polymers 10a-c having the phosphole ring were prepared by PdCl2(PPh3)2/CuI catalyzed coupling of 1-phenyl-2,5-bis(p-bromophenyl)phosphole 8 with fluorine-substituted diethynylbenzene 9a-c. The obtained polymers 10a-c were regio-regulated with the 2,5-substituted phosphole ring in the polymer main chain, and characterized by 1H, 31P NMR, and FTIR. Polymers 10a-c were found to be an extended π-conjugated system according to the results of UV-Vis absorption spectra. In the fluorescence emission spectra of 10a-c, moderate emission peaks were observed in the visible blue to green region.

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  1. Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan

    Yasuhiro Morisaki, Hai-Sub Na, Yasuhiro Aiki & Yoshiki Chujo

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  1. Yasuhiro Morisaki
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  2. Hai-Sub Na
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  3. Yasuhiro Aiki
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  4. Yoshiki Chujo
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Correspondence to Yoshiki Chujo.

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Morisaki, Y., Na, HS., Aiki, Y. et al. Synthesis and Characterization of π-Conjugated Polymers with a 2,5-Substituted Phosphole Skeleton. Polym. Bull. 58, 777–784 (2007). https://doi.org/10.1007/s00289-007-0725-5

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