Summary
3-(N-Carbazolyl)-1-propyne polymerized with MoCl5- and WCl6-based catalysts to produce a polymer in high yields. The MoCl5 and MoCl5-n-Bu4Sn catalysts were the most effective (the systems solidified immediately after initiation of polymerization with these catalysts). The product polymer was a yellow solid insoluble in any solvent. Copolymerization of the present monomer with tert-butylacetylene by MoCl5-n-Bu4Sn produced a copolymer; it had a high molecular weight (M w 350,000), completely dissolved in toluene, CHCl3 etc, and formed a free-standing film by solution casting. ω-N-Carbazolyl-1-hexyne and-1-octyne produced toluene-insoluble polymers with WCl6-Ph4Sn.
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Nakano, M., Masuda, T. & Higashimura, T. Homo- and copolymerizations of 3-(N-carbazolyl)-1-propyne and its homologues by Mo and W catalysts. Polymer Bulletin 34, 191–197 (1995). https://doi.org/10.1007/BF00316395
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DOI: https://doi.org/10.1007/BF00316395