Stereospecific octahedral group 4 bis(phenolate) ether complexes for olefin polymerization.


Octahedral group 4 bisphenolate ether complexes, activated by methylaluminoxane, are highly active and stereospecific alpha-olefin polymerization catalysts. X-ray crystallographic analysis reveals the Zr and Hf complexes to be closely isostructural; the bond lengths of the Hf complex are slightly shorter, but the maximum deviation is only 0.062 A. Despite… (More)
DOI: 10.1021/ja100627x

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