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Issue 32, 2013
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Synthesis, structural analysis of the hetero-bimetallic complexes MMe[(O-2,4-tBu2C6H2-6-CH2)22-O-2,4-tBu2C6H2-6-CH2)N][Me2Al(μ2-OiPr)] [M = Zr, Hf] and their use in catalysis for ethylene polymerisation

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Abstract

The synthesis and structural analysis of the hetero-bimetallic M–Al complexes MMe[(O-2,4-tBu2C6H2-6-CH2)22-O-2,4-tBu2C6H2-6-CH2)N][Me2Al(μ2-OiPr)] [M = Zr, Hf], prepared from M(OiPr)[{(O-2,4-tBu2C6H2)-6-CH2}3N] by treating with 1.0 equiv. of AlMe3, have been explored: these complexes exhibited catalytic activities for ethylene polymerisation in n-octane in the presence of methylaluminoxane (MAO). The Zr–Al analogue showed high catalytic activities affording polymers with unimodal molecular weight distributions.

Graphical abstract: Synthesis, structural analysis of the hetero-bimetallic complexes MMe[(O-2,4-tBu2C6H2-6-CH2)2(μ2-O-2,4-tBu2C6H2-6-CH2)N][Me2Al(μ2-OiPr)] [M = Zr, Hf] and their use in catalysis for ethylene polymerisation

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Publication details

The article was received on 05 May 2013, accepted on 25 Jun 2013 and first published on 26 Jun 2013


Article type: Paper
DOI: 10.1039/C3DT51172C
Citation: Dalton Trans., 2013,42, 11632-11639
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    Synthesis, structural analysis of the hetero-bimetallic complexes MMe[(O-2,4-tBu2C6H2-6-CH2)22-O-2,4-tBu2C6H2-6-CH2)N][Me2Al(μ2-OiPr)] [M = Zr, Hf] and their use in catalysis for ethylene polymerisation

    Y. Takii, A. Inagaki and K. Nomura, Dalton Trans., 2013, 42, 11632
    DOI: 10.1039/C3DT51172C

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