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Synthesis, structure and electrochemistry of new diferrocenyl pyridine derivatives

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Title: Synthesis, structure and electrochemistry of new diferrocenyl pyridine derivatives
Authors: Wang, Ya-Qi1, Han, Li-Min1, Suo, Quan-Ling szj@imut.edu.cn, Zhu, Ning1, Hao, Jian-Min1, Xie, Rui-Jun1
Source: Polyhedron. Apr2013, Vol. 54, p221-227. 7p.
Subjects: Pyridine synthesis, Pyridine derivatives, Electrochemistry, Ring formation (Chemistry), Crystal structure, Fourier transform infrared spectroscopy
Abstract: Abstract: Four diferrocenyl pyridine derivatives, 4,6-diferrocenyl-2-phenylpyridine (1), 3,6-diferrocenyl-2-phenylpyridine (2), 4,6-diferrocenyl-2-methylpyridine (3) and 3,6-diferrocenyl-2-methylpyridine (4) were synthesized via dicarbonylcyclopentadienylcobalt or Co2(CO)6(μ2-η2-ferrocenylacetylene) mediated [2+2+2] cycloaddition reaction and characterized by FT-IR, NMR, MS, CV, elemental analysis and X-ray single crystal diffraction analysis (1, 2, 3). Compounds 1, 2, 4 are new diferrocenyl pyridine derivatives and the molecular structures of 1, 2, 3 have been determined for the first time. It has been shown that cobalt-mediated [2+2+2] cycloaddition reaction is an efficient, simple new method to prepare diferrocenyl pyridine derivatives. The electrochemistry results reveal that the electronic communication between the two nonequivalent ferrocenyl units in 1–4 is electrostatic interactions. [Copyright &y& Elsevier]
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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Header DbId: egs
DbLabel: Engineering Source
An: 86922830
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Synthesis, structure and electrochemistry of new diferrocenyl pyridine derivatives
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Ya-Qi%22">Wang, Ya-Qi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Han%2C+Li-Min%22">Han, Li-Min</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Suo%2C+Quan-Ling%22">Suo, Quan-Ling</searchLink><i> szj@imut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Ning%22">Zhu, Ning</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hao%2C+Jian-Min%22">Hao, Jian-Min</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xie%2C+Rui-Jun%22">Xie, Rui-Jun</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Polyhedron%22">Polyhedron</searchLink>. Apr2013, Vol. 54, p221-227. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Pyridine+synthesis%22">Pyridine synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Pyridine+derivatives%22">Pyridine derivatives</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemistry%22">Electrochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Ring+formation+%28Chemistry%29%22">Ring formation (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+structure%22">Crystal structure</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink>
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  Data: Abstract: Four diferrocenyl pyridine derivatives, 4,6-diferrocenyl-2-phenylpyridine (1), 3,6-diferrocenyl-2-phenylpyridine (2), 4,6-diferrocenyl-2-methylpyridine (3) and 3,6-diferrocenyl-2-methylpyridine (4) were synthesized via dicarbonylcyclopentadienylcobalt or Co2(CO)6(μ2-η2-ferrocenylacetylene) mediated [2+2+2] cycloaddition reaction and characterized by FT-IR, NMR, MS, CV, elemental analysis and X-ray single crystal diffraction analysis (1, 2, 3). Compounds 1, 2, 4 are new diferrocenyl pyridine derivatives and the molecular structures of 1, 2, 3 have been determined for the first time. It has been shown that cobalt-mediated [2+2+2] cycloaddition reaction is an efficient, simple new method to prepare diferrocenyl pyridine derivatives. The electrochemistry results reveal that the electronic communication between the two nonequivalent ferrocenyl units in 1–4 is electrostatic interactions. [Copyright &y& Elsevier]
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  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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        Value: 10.1016/j.poly.2013.02.043
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        Text: English
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              Text: Apr2013
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