Highly efficient ethylene polymerisation by scandium alkyls supported by neutral fac-kappa3 coordinated N3 donor ligands |
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| Authors: | Lawrence Sally C Ward Benjamin D Dubberley Stuart R Kozak Christopher M Mountford Philip |
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| Institution: | Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, UK OX1 3QR. |
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| Abstract: | Reaction of M(CH2SiMe3)3(THF)2] (M = Sc or Y) with the neutral fac-kappa3 N3 donor ligands (L) Me39]aneN3 or HC(Me2pz)3 gave the corresponding trialkyls M(L)(CH2SiMe3)3]; activation of the scandium congeners with B(C6F5)3 in the presence of ethylene afforded highly active polymerisation catalysts (Me39]aneN3 = 1,4,7-trimethyltriazacyclononane). |
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