2-Pyridylmetallocenes, Part IX. Sulphur-Substituted 2-Pyridylferrocene: Synthesis and Reactivity towards Pt(II) and Hg(II).

IF 4.2 2区化学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Molecules Pub Date : 2024-10-15 DOI:10.3390/molecules29204884

Stefan Weigand, Karlheinz Sünkel

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Abstract

Thio-substituted 2-pyridylferrocenes [CpFe{C₅H₃(X)(C₅H₄N)}] (X = SOTol, 3; SMe, 5) were prepared from [CpFe(C₅H₄R)] (R = SOTol, 1; 2-C₅H₄N, 2) in moderate yields. The reactions of 3 and 5 with [PtCl₂(DMSO)₂] yielded the binuclear N, S chelated complexes [CpFe{C₅H₃(X)(C₅H₄N)}-(к-N,S)-PtCl₂] (X= SOTol, 4, SMe, 6), while the reaction of 5 with Hg(OAc)₂/LiCl led to cyclomercuration with generation of [CpFe{C₅H₂(SMe)(C₅H₄N)(HgCl)}], 7. The crystal structures of 6·CH₂Cl₂ and 7 were determined. The structure of 6 showed a weak intramolecular Fe…Pt interaction and several weak intermolecular interactions involving all Cl atoms. Weak intermolecular interactions between Hg and S atoms in the cyclomercurated 7 led to a tetrameric structure involving a Hg₂S₂ ring.

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2-Pyridylmetallocenes, Part IX.硫代 2-吡啶基二茂铁：合成及对 Pt(II) 和 Hg(II) 的反应活性。

从[CpFe(C5H4R)]（R = SOTol，1；2-C5H4N，2）以中等产率制备了硫代 2-吡啶二茂铁[CpFe{C5H3(X)(C5H4N)}]（X = SOTol，3；SMe，5）。3 和 5 与 [PtCl2(DMSO)2]反应生成双核 N、S 螯合配合物 [CpFe{C5H3(X)(C5H4N)}-(к-N,S)-PtCl2] （X= SOTol、4，SMe，6），而 5 与 Hg(OAc)2/LiCl 反应则导致环巯基化，生成 [CpFe{C5H2(SMe)(C5H4N)(HgCl)}]，7。测定了 6-CH2Cl2 和 7 的晶体结构。6 的结构显示了微弱的分子内 Fe...Pt 相互作用和涉及所有 Cl 原子的若干微弱分子间相互作用。环巯基 7 中 Hg 原子和 S 原子间的微弱分子间相互作用导致了涉及 Hg2S2 环的四元结构。

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来源期刊

Molecules 化学-有机化学

CiteScore

7.40

自引率

8.70%

发文量

7524

审稿时长

1.4 months

期刊介绍： Molecules (ISSN 1420-3049, CODEN: MOLEFW) is an open access journal of synthetic organic chemistry and natural product chemistry. All articles are peer-reviewed and published continously upon acceptance. Molecules is published by MDPI, Basel, Switzerland. Our aim is to encourage chemists to publish as much as possible their experimental detail, particularly synthetic procedures and characterization information. There is no restriction on the length of the experimental section. In addition, availability of compound samples is published and considered as important information. Authors are encouraged to register or deposit their chemical samples through the non-profit international organization Molecular Diversity Preservation International (MDPI). Molecules has been launched in 1996 to preserve and exploit molecular diversity of both, chemical information and chemical substances.