The polymerization of DCPD with the catalytic system TiCl4/AlEt2Cl was examined, obtaining oligomers or low molecular weight polymers. Fractionation of the crude products with different boiling solvents permitted to isolate a crystalline oligomer, which was found to be a tetramer having a 2,3-exo-disyndiotactic structure on the basis of direct space crystal structure determination from powder diffraction data.

Titanium−catalyzed dicyclopentadiene polymerization: Isolation of a crystalline tetramer with a 2,3-<i>exo</i>-disyndiotactic structure

243rd National Meeting (2012)

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Titanium−catalyzed dicyclopentadiene polymerization: Isolation of a crystalline tetramer with a 2,3-exo-disyndiotactic structure