Living polymerization of 1-hexene due to an extra donor arm on a novel amine bis(phenolate) titanium catalyst

Two amine bis(phenolate) titanium dibenzyl complexes were synthesized in one-pot reactions starting from the ligand precursors and titanium tetra(isopropoxide). The catalyst derived from a ligand having an extra donor on a side arm leads to living polymerization of 1-hexene at room temperature, wher...

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Bibliographic Details
Published in:Inorganic chemistry communications 2000-11, Vol.3 (11), p.611-614
Main Authors: Tshuva, Edit Y, Goldberg, Israel, Kol, Moshe, Goldschmidt, Zeev
Format: Article
Language:English
Subjects:
Living polymerization
Phenolate ligands
Titanium complexes
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Summary:Two amine bis(phenolate) titanium dibenzyl complexes were synthesized in one-pot reactions starting from the ligand precursors and titanium tetra(isopropoxide). The catalyst derived from a ligand having an extra donor on a side arm leads to living polymerization of 1-hexene at room temperature, whereas the one derived from a ligand lacking it, leads to low molecular weight poly(1-hexene) with PDI values of around 2.0.
ISSN:1387-7003
1879-0259
DOI:10.1016/S1387-7003(00)00151-9