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A novel cyclopalladated complex with a diferrocenyl Schiff base ligand: Synthesis, structure, electrochemical and catalytic properties.

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Title: A novel cyclopalladated complex with a diferrocenyl Schiff base ligand: Synthesis, structure, electrochemical and catalytic properties.
Authors: Han, Li-Min1, Ke, Chun-Long1, Zhang, Dan-Zhao1, Gao, Yuan-Yuan1, Zhu, Ning1, Xie, Rui-Jun1, Wang, Ya-Qi1, Suo, Quan-Ling1 szj010062@163.com
Source: Polyhedron. Jan2015, Vol. 85, p621-626. 6p.
Subjects: Metal complexes, Complex compounds synthesis, Schiff bases, Ligands (Chemistry), Chemical structure, Electrochemistry, Catalytic activity
Abstract: The N-(diferrocenylmethylene)aniline Schiff base Fc 2 C = NPh ( 1 ) (Fc = ferrocenyl, Ph = phenyl) was synthesized by the reaction of diferrocenyl-methanone with aniline, and its structure was determined for the first time in this paper. The crystal structure of the novel cyclopalladated complex (Fc 2 C = NPh)PdClPPh 3 ( 2 ) was analyzed by single crystal X-ray diffraction. The structure of ligand 1 displays an anti-configuration for the ferrocenyl groups bonded to the C atom of the C N bond lying on the opposite side to the phenyl ring. The structure of complex 2 shows a four-coordinated structural type and the two ferrocenyl moieties bridged through the C atom of the C N bond remain in the anti-configuration; the structure also contains a bicyclic system of the coordinated Cp ring and a five-membered metallacycle. The electrochemical properties of ligand 1 and complex 2 were studied by cyclic voltammetry, and the results reveal that there is a stronger electronic communication between the two ferrocenyl units in 2 . The results of a catalytic evaluation show that complex 2 is highly active as a catalyst for the Suzuki C C coupling reaction and the biphenyl product gotten in this reaction can be obtained in 93% yield. [ABSTRACT FROM AUTHOR]
Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 99794209
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A novel cyclopalladated complex with a diferrocenyl Schiff base ligand: Synthesis, structure, electrochemical and catalytic properties.
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  Data: <searchLink fieldCode="AR" term="%22Han%2C+Li-Min%22">Han, Li-Min</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ke%2C+Chun-Long%22">Ke, Chun-Long</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Dan-Zhao%22">Zhang, Dan-Zhao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gao%2C+Yuan-Yuan%22">Gao, Yuan-Yuan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Ning%22">Zhu, Ning</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xie%2C+Rui-Jun%22">Xie, Rui-Jun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Ya-Qi%22">Wang, Ya-Qi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Suo%2C+Quan-Ling%22">Suo, Quan-Ling</searchLink><relatesTo>1</relatesTo><i> szj010062@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Polyhedron%22">Polyhedron</searchLink>. Jan2015, Vol. 85, p621-626. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Metal+complexes%22">Metal complexes</searchLink><br /><searchLink fieldCode="DE" term="%22Complex+compounds+synthesis%22">Complex compounds synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Schiff+bases%22">Schiff bases</searchLink><br /><searchLink fieldCode="DE" term="%22Ligands+%28Chemistry%29%22">Ligands (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+structure%22">Chemical structure</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemistry%22">Electrochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+activity%22">Catalytic activity</searchLink>
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  Data: The N-(diferrocenylmethylene)aniline Schiff base Fc 2 C = NPh ( 1 ) (Fc = ferrocenyl, Ph = phenyl) was synthesized by the reaction of diferrocenyl-methanone with aniline, and its structure was determined for the first time in this paper. The crystal structure of the novel cyclopalladated complex (Fc 2 C = NPh)PdClPPh 3 ( 2 ) was analyzed by single crystal X-ray diffraction. The structure of ligand 1 displays an anti-configuration for the ferrocenyl groups bonded to the C atom of the C N bond lying on the opposite side to the phenyl ring. The structure of complex 2 shows a four-coordinated structural type and the two ferrocenyl moieties bridged through the C atom of the C N bond remain in the anti-configuration; the structure also contains a bicyclic system of the coordinated Cp ring and a five-membered metallacycle. The electrochemical properties of ligand 1 and complex 2 were studied by cyclic voltammetry, and the results reveal that there is a stronger electronic communication between the two ferrocenyl units in 2 . The results of a catalytic evaluation show that complex 2 is highly active as a catalyst for the Suzuki C C coupling reaction and the biphenyl product gotten in this reaction can be obtained in 93% yield. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.poly.2014.09.029
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 6
        StartPage: 621
    Subjects:
      – SubjectFull: Metal complexes
        Type: general
      – SubjectFull: Complex compounds synthesis
        Type: general
      – SubjectFull: Schiff bases
        Type: general
      – SubjectFull: Ligands (Chemistry)
        Type: general
      – SubjectFull: Chemical structure
        Type: general
      – SubjectFull: Electrochemistry
        Type: general
      – SubjectFull: Catalytic activity
        Type: general
    Titles:
      – TitleFull: A novel cyclopalladated complex with a diferrocenyl Schiff base ligand: Synthesis, structure, electrochemical and catalytic properties.
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            NameFull: Han, Li-Min
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            NameFull: Ke, Chun-Long
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            NameFull: Zhang, Dan-Zhao
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            NameFull: Zhu, Ning
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              M: 01
              Text: Jan2015
              Type: published
              Y: 2015
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              Value: 85
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