Unusual Enhancement of Ethylene Polymerization Activity of Benzyl Zirconium Complexes by Benzylation of the Imino Moiety of 2-(N-Aryliminomethyl)pyrrolyl Ligand

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著者

    • TSURUGI Hayato
    • Department of Chemistry, Graduate School of Engineering Science, Osaka University
    • YAMAGATA Tsuneaki
    • Department of Chemistry, Graduate School of Engineering Science, Osaka University
    • TANI Kazuhide
    • Department of Chemistry, Graduate School of Engineering Science, Osaka University
    • MASHIMA Kazushi
    • Department of Chemistry, Graduate School of Engineering Science, Osaka University

抄録

Reaction of Zr(CH<SUB>2</SUB>Ph)<SUB>4</SUB> (<B>1</B>) with one equiv. of 2-(<I>N</I>-aryliminomethyl)pyrrolyl ligands (<B>2a</B>–<B>e</B>) in toluene afforded two types of products, depending upon the bulkiness of the aryl moiety. The reactions of <B>1</B> with two equiv. of the most sterically bulky <B>2e</B> afforded complex <B>5e</B>, whose pseudo octahedral geometry around the zirconium atom and totally dissymmetric <I>cis</I>-dibenzyl structure were elucidated. The high catalytic activity for ethylene polymerization was obtained by using complexes <B>3a</B> and <B>3b</B>.

収録刊行物

  • Chemistry letters

    Chemistry letters 32(8), 756-757, 2003-08-05

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10012818642
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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