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Special Issue "Ferrocene and Ferrocene-Containing Compounds"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Organometallic Chemistry".

Deadline for manuscript submissions: closed (1 August 2018)

Special Issue Editor

Guest Editor
Prof. Dr. Petr Štěpnička

Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030, 128 40 Prague, Czech Republic
Website | E-Mail
Interests: ferrocene ligands; phosphine ligands; hybrid phosphines; coordination chemistry; catalysis; structure elucidation.

Special Issue Information

Dear Colleagues,

The discovery of ferrocene in the early 1950s brought new life to coordination chemistry and also paved the way to establishing organometallic chemistry as a specific and independent chemical discipline. Since then, numerous studies have focused on the specific bonding principles and reactivity of the ferrocene molecule and possible applications of ferrocene and its derivatives in various fields ranging from the classical areas such as coordination chemistry, organic synthesis and electrochemistry to rapidly developing interdisciplinary fields of materials research, catalysis and biomedicine (and many others).

This Special Issue is intended to highlight the current trends and perspective research focused on ferrocene and ferrocene-containing compounds to demonstrate the enormous width of contemporary ferrocene chemistry and its huge application potential. Researchers studying various aspects of ferrocene chemistry are kindly invited to propose relevant state-of-the-art reviews and, mainly, research papers to be published in this Special Issue of Molecules.

Prof. Dr. Petr Štěpnička
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs), a 50% discount will apply to papers accepted for publication in the Special Issue "Ferrocene and Ferrocene-Containing Compounds". Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ferrocene
  • synthesis
  • catalysis
  • materials chemistry
  • bioorganometallic chemistry
  • ferrocene ligands
  • organic synthesis
  • coordination chemistry

Published Papers (4 papers)

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Research

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Open AccessArticle Synthesis and Light-Induced Actuation of Photo-Labile 2-Pyridyl-1,2,3-Triazole Ru(bis-bipyridyl) Appended Ferrocene Rotors
Molecules 2018, 23(8), 2037; https://doi.org/10.3390/molecules23082037
Received: 28 July 2018 / Revised: 9 August 2018 / Accepted: 9 August 2018 / Published: 14 August 2018
PDF Full-text (1034 KB) | Supplementary Files
Abstract
To realise useful control over molecular motion in the future an extensive toolbox of both actionable molecules and stimuli-responsive units must be developed. Previously, our laboratory has reported 1,1′-disubstituted ferrocene (Fc) rotor units which assume a contracted/π-stacked conformation until complexation of cationic metal
[...] Read more.
To realise useful control over molecular motion in the future an extensive toolbox of both actionable molecules and stimuli-responsive units must be developed. Previously, our laboratory has reported 1,1′-disubstituted ferrocene (Fc) rotor units which assume a contracted/π-stacked conformation until complexation of cationic metal ions causes rotation about the Ferrocene (Fc) molecular ‘ball-bearing’. Herein, we explore the potential of using the photochemical ejection of [Ru(2,2′-bipyridyl)2]2+ units as a stimulus for the rotational contraction of new ferrocene rotor units. Fc rotors with both ‘regular’ and ‘inverse’ 2-pyridyl-1,2,3-triazole binding pockets and their corresponding [Ru(2,2′-bipyridyl)2]2+ complexes were synthesised. The rotors and complexes were characterised using nuclear magnetic resonance (NMR) and ultraviolet (UV)-visible spectroscopies, Electro-Spray Ionisation Mass Spectrometry (ESI–MS), and electrochemistry. The 1,1′-disubstituted Fc ligands were shown to π-stack both in solution and solid state. Density Functional Theory (DFT) calculations (CAM-B3LYP/6-31G(d)) support the notion that complexation to [Ru(2,2′-bipyridyl)2]2+ caused a rotation from the syn- to the anti-conformation. Upon photo-irradiation with UV light (254 nm), photo-ejection of the [Ru(2,2′-bipyridyl)2(CH3CN)2]2+ units in acetonitrile was observed. The re-complexation of the [Ru(2,2′-bipyridyl)2]2+ units could be achieved using acetone as the reaction solvent. However, the process was exceedingly slowly. Additionally, the Fc ligands slowly decomposed when exposed to UV irradiation meaning that only one extension and contraction cycle could be completed. Full article
(This article belongs to the Special Issue Ferrocene and Ferrocene-Containing Compounds)
Open AccessArticle Trapping para-Quinone Methide Intermediates with Ferrocene: Synthesis and Preliminary Biological Evaluation of New Phenol-Ferrocene Conjugates
Molecules 2018, 23(6), 1335; https://doi.org/10.3390/molecules23061335
Received: 9 May 2018 / Revised: 29 May 2018 / Accepted: 29 May 2018 / Published: 1 June 2018
PDF Full-text (2273 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The reaction of para-hydroxybenzyl alcohols with ferrocene in the presence of a catalytic amount of InCl3 provided ferrocenyl phenol derivatives, an interesting class of organometallic compounds with potential applications in medicinal chemistry. This transformation exhibited a reasonable substrate scope delivering the
[...] Read more.
The reaction of para-hydroxybenzyl alcohols with ferrocene in the presence of a catalytic amount of InCl3 provided ferrocenyl phenol derivatives, an interesting class of organometallic compounds with potential applications in medicinal chemistry. This transformation exhibited a reasonable substrate scope delivering the desired products in synthetically useful yields. Evidence of involvement of a para-quinone methide intermediate in this coupling process was also provided. Preliminary biological evaluation demonstrated that some of the ferrocene derivatives available by this methodology exhibit significant cytotoxicity against several cancer cell lines with IC50 values within the range of 1.07–4.89 μM. Full article
(This article belongs to the Special Issue Ferrocene and Ferrocene-Containing Compounds)
Figures

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Open AccessArticle Enantiomerically Enriched 1,2-P,N-Bidentate Ferrocenyl Ligands for 1,3-Dipolar Cycloaddition and Transfer Hydrogenation Reactions
Molecules 2018, 23(6), 1311; https://doi.org/10.3390/molecules23061311
Received: 14 May 2018 / Revised: 25 May 2018 / Accepted: 25 May 2018 / Published: 30 May 2018
PDF Full-text (1908 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Novel complexes of 1,2-P,N-bidentate ferrocenyl ligands with AgOAc or with [RuCl2(PPh3)3] as catalysts have been studied in asymmetric synthesis. The catalytic activity of these systems have been studied in [3+2]-cycloaddition of azomethine ylides with olefins and the asymmetric transfer hydrogenation of ketones. Full article
(This article belongs to the Special Issue Ferrocene and Ferrocene-Containing Compounds)
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Figure 1

Review

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Open AccessReview Ferrocenes as Building Blocks in Molecular Rectifiers and Diodes
Molecules 2018, 23(7), 1551; https://doi.org/10.3390/molecules23071551
Received: 11 June 2018 / Revised: 24 June 2018 / Accepted: 25 June 2018 / Published: 27 June 2018
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Abstract
Ferrocenes have recently been reported as components of a number of molecular circuits. This short review covers reports of ferrocenes in molecular rectifiers and diodes which have appeared in the last 10 years. Full article
(This article belongs to the Special Issue Ferrocene and Ferrocene-Containing Compounds)
Figures

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