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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Acetylacetonato-based pincer-type nickel(II) complexes: synthesis and catalysis in cross-couplings of aryl chlorides with aryl Grignard reagents
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Acetylacetonato-based pincer-type nickel(II) complexes: synthesis and catalysis in cross-couplings of aryl chlorides with aryl Grignard reagents

机译：基于乙酰丙酮的钳型镍（II）配合物：用芳基格氏试剂的芳基氯化物的交叉偶联的合成和催化

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摘要

In this work, three different types of acetylacetonato-based pincer-type nickel(ii) complexes (2) were prepared. Complex 2a possessed the tridentate ONN ligand, which was constructed by the condensation reaction of acetylacetone with N,N-diethylethylenediamine. Complex 2b contained the PPh2 donor group in contrast to the NEt2 group in 2a, i.e., an ONP ligand framework. Complex 2c was composed of the NNN ligand, which was prepared by the reaction of 4-((2,4,6-trimethylphenyl)amino)pent-3-en-2-one with N,N-diethylethylenediamine. In addition to X-ray diffraction analysis, these complexes were characterized spectroscopically. Their catalytic activity for a cross-coupling reaction of aryl halides with aryl Grignard reagents was also evaluated. Among these complexes, 2b acted as an effective catalyst for the cross-coupling reaction using aryl chlorides as electrophiles. The electronic properties of these Ni(ii) complexes were investigated by cyclic voltammetry and density functional theory calculations.
机译：在这项工作中，制备了三种不同类型的乙酰丙酮基钳型镍（II）配合物（2）。复合物2a具有三叉戟onn配体，其由乙酰丙酮与n，n-二乙基乙二胺的缩合反应构成。复合物2B含有与2A中的NET2组相比，即ONP配体框架的PPH2供体组。复合物2C由NNN配体组成，通过用N，N-二乙基乙基二胺的4-（（2,4,6-三甲基苯基）氨基）的反应来制备。除了X射线衍射分析之外，这些配合物的特征在于光谱。还评价了与芳基卤化物与芳基格子试剂的交联反应的催化活性。在这些配合物中，2b用作使用芳基氯作为电子单的交叉偶联反应的有效催化剂。通过循环伏安法和密度函数理论计算研究了这些Ni（II）复合物的电子性质。

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    Asano Erika; Hatayama Yuki; Kurisu Nobutaka; Ohtani Atsufumi; Hashimoto Toru; Kurihara Youji; Ueda Kazuyoshi; Ishihara Shinji; Nagao Hirotaka; Yamaguchi Yoshitaka;

  • 作者单位

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Yokohama Natl Univ Instrumental Anal Ctr Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

    Sophia Univ Fac Sci &

    Technol Dept Mat &

    Life Sci Chiyoda Ku 7-1 Kioicho Tokyo 1028554 Japan;

    Yokohama Natl Univ Grad Sch Engn Dept Adv Mat Chem Hodogaya Ku 79-5 Tokiwadai Yokohama Kanagawa 2408501 Japan;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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