Tri- and tetra-dentate imine vanadyl complexes: synthesis, structure and ethylene polymerization/ring opening polymerization capability

A number of vanadyl complexes bearing tri- or tetradentate phenoxyimine ligands have been structurally characterized and shown to exhibit high catalytic activity for ethylene polymerization in the presence of diethylaluminium chloride and ethyltrichloroacetate; at high temperatures, such complexes were also capable of Q4 the ROP of ε-caprolactone.

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