Anionic ring-opening polymerization of optically pure 1 -methyl -1-(1 -naphthyl ) -2,3 -benzosilacyclobut-2 -ene

  title={Anionic ring-opening polymerization of optically pure 1 -methyl -1-(1 -naphthyl ) -2,3 -benzosilacyclobut-2 -ene},
  author={Yuriko Kakihana and Kazuya Uenishi and Ichiro Imae and Yusuke Kawakami},
Polymerization of 1-methyl-1-(1-naphthyl)-2,3-benzosilacyclobut-2-ene as a monomer by n-butyllithium and diphenylmethylsilyllithium gave polymers with reasonably well controlled molecular weight. Polymers from the (+)-monomer by these organolithium compounds were optically active with similar optical rotations, but with rather low stereoregularity. Ring-opening reactions of the compound by n-butyllithium and diphenylmethylsilyllithium, and that by benzyllithium as a model propagation reaction… Expand
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