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Synthesis and characterization of dinuclear aluminum complexes bearing N,N-Dialkylaniline-amido ligands and its catalytic properties for lactone polymerization

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Abstract

Two ligands [ortho-C6H4NR2(CH2NH)]2CH2CH2(3: R=Me; 4: R=Et) were prepared by the reduction of preligands [ortho-C6H4NR2(CH=N)]2CH2CH2(1: R=Me; 2: R=Et). These ligands reacted with AlMe3 to afford the corresponding dinuclear aluminum complexes {AlMe2[ortho-C6H4NR2(CH2N)]}2CH2CH2(5: R=Me; 6: R=Et). All the compounds were characterized by 1H and 13C nuclear magnetic resonance(NMR) spectroscopies and elemental analyses. The catalytic properties of the aluminum complexes towards the ring-opening polymerization of lactones were investigated in the presence of benzyl alcohol. All the polymerization reactions were proceeded in a controlled manner.

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Authors and Affiliations

  1. School of Resources and Environment, University of Jinan, Jinan, 250022, P. R. China

    Yancheng Han, Guangyun Zhu, Mengmeng Zhang, Shuai Wang, Wei Yao & Aihong Gao

  2. Shandong Provincial Engineering Research Center for Ecological Carbon Sink and Capture Utilization, University of Jinan, Jinan, 250022, P. R. China

    Wei Yao & Aihong Gao

  3. School of Chemistry, University of Jinan, Jinan, 250022, P. R. China

    Ping Lu

Authors
  1. Yancheng Han
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  2. Guangyun Zhu
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  3. Mengmeng Zhang
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  4. Shuai Wang
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  5. Wei Yao
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  6. Aihong Gao
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  7. Ping Lu
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Corresponding authors

Correspondence to Wei Yao or Aihong Gao.

Additional information

Supported by the National Natural Science Foundation of China(No.21104026).

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Han, Y., Zhu, G., Zhang, M. et al. Synthesis and characterization of dinuclear aluminum complexes bearing N,N-Dialkylaniline-amido ligands and its catalytic properties for lactone polymerization. Chem. Res. Chin. Univ. 30, 874–878 (2014). https://doi.org/10.1007/s40242-014-3507-2

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  • DOI: https://doi.org/10.1007/s40242-014-3507-2

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