Abstract
We have developed a new series of single-component air- and moisture-stable catalysts for alkyne polymerization based on chloro-nickel and chloro-cobalt complexes containing phosphine ligands. The polymerization of p-diethynylbenzene initiated by these complexes proceeds smoothly in the presence of amines at room temperature to afford soluble π-conjugated polymers in yields as high as 81% with weight-average molecular weight up to 17 600.
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Zhan, X., Xu, S., Yang, M. et al. Chloro-Nickel and Chloro-Cobalt Complexes Containing Phosphine Ligands: Efficient Initiators for Polymerization of Alkynes. Catalysis Letters 80, 59–61 (2002). https://doi.org/10.1023/A:1015374610059
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DOI: https://doi.org/10.1023/A:1015374610059