Synthesis and characterization of group 4 fluorinated bis(amidinates) and their reactivity in the formation of elastomeric polypropylene

Tatyana Elkin, Sinai Aharonovich, Mark Botoshansky, Moris S. Eisen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Bis(amidinate) titanium and zirconium bis(dimethylamido) complexes were prepared, and the dynamic behavior of the titanium complex containing perfluorinated amidinate ligand (11) was studied in detail. The variable-temperature NMR revealed the presence of two species in solution, in line with the different connection modes of the ligand to the metal center. The resulting complexes were tested as catalysts in the polymerization of propylene, and the resulting polymers were consistent with elastomeric high-molecular-weight atactic polypropylenes.

Original languageEnglish
Pages (from-to)7404-7414
Number of pages11
JournalOrganometallics
Volume31
Issue number21
DOIs
StatePublished - 13 Nov 2012
Externally publishedYes

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