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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences

12 Issues per year


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1865-7117
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Volume 50, Issue 3

Issues

Synthesis, Characterization and Monoalkene Polymerization Activity of Bis-[(1,2,3,4-tetraphenyl)-η5-cyclopentadienyl]zirconium(IV) Dichloride

Giuseppe Conti
  • Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
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/ Guillermo Arribas
  • Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
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/ Angelina Altomare
  • Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
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/ Bernardo Mendez
  • Escuela de Quimica, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela
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/ Francesco Ciardelli
  • Department of Chemistry and Industrial Chemistry, University of Pisa, via Risorgimento 35, 56126 Pisa, Italy
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Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znb-1995-0315

The title complex (1) has been prepared by reaction of ZrCl4 with 1,2,3,4-(tetraphenyl)- cyclopenta-1,3-dienyl lithium (2). The phenyl substituents on the metallocene ligands exert both steric and electronic effects on the active site obtained by activation of 1 with MAO. Thus this catalytic system shows lower polymerization activity than in case of unsubstituted or methyl-substituted ligands and leads to the formation of ethylene oligomers.

Keywords : Bis-([1,2,3,4-tetraphenyl)-η5-cyclopentadienyl]zirconium (IV) Dichloride; Metallocene Catalyst; Olefin Polymerization

About the article

Received: 1994-09-20

Published Online: 2014-06-02

Published in Print: 1995-03-01


Citation Information: Zeitschrift für Naturforschung B, Volume 50, Issue 3, Pages 411–414, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-1995-0315.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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