Abstract
Some polymers with carbon–carbon chains were synthesized by reaction of m- or p-xylylene dihalides with active methylene compounds such as malononitrile, methyl cyanoacetate, and dimethyl malonate using 1,8-diazabicyclo[5.4.0]undecene-7 (DBU) in aprotic polar solvents under relatively mild conditions. The viscosity of the resulting polymer increased with increasing monomer concentration and reaction temperature. However, the polymer was not obtained when the reaction was carried out using triethylamine, 1,5-diazabicyclo[4.3.0]nonene-5, or 1,4-diazabicyclo[2.2.2] octane.
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Nishikubo, T., Kameyama, A. & Ozaki, K. Synthesis of Polymers with Carbon–Carbon Chains by the Reaction of Xylylene Dihalides with Active Methylene Compounds Using the DBU Method. Polym J 26, 593–598 (1994). https://doi.org/10.1295/polymj.26.593
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DOI: https://doi.org/10.1295/polymj.26.593