Polymerization of 1,2-dimethylenecyclobutane by organolithium initiators

@article{Yurkovetskii1988PolymerizationO1,
  title={Polymerization of 1,2-dimethylenecyclobutane by organolithium initiators},
  author={A. V. Yurkovetskii and V. L. Kofman and K. Makovetskii},
  journal={Bulletin of the Academy of Sciences of the USSR, Division of chemical science},
  year={1988},
  volume={37},
  pages={1782-1784}
}
Conclusions1.The possibility of polymerizing 1,2-dimethylenecyclobutane with organolithium initiators has been demonstrated. The microstructure of the polymers obtained is determined by the nature of the solvent; in a hydrocarbon medium the 1,4-structural unit is mainly. formed, while in a polar solvent the 1,2-structural unit predominates.2.The anionic copolymerization constants of 1,2-dimethylenecyclobutane with butadiene in hydrocarbon and polar media have been determined. 
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