Special Issue "Organoplatinum Complexes"


A special issue of Inorganics (ISSN 2304-6740).

Deadline for manuscript submissions: 30 September 2014

Special Issue Editors

Guest Editor
Prof. Dr. Axel Klein
University of Cologne, Department of Chemistry, Institute of Inorganic Chemistry, Cologne, Germany.
Website: http://www.klein.uni-koeln.de/
E-Mail: axel.klein@uni-koeln.de
Interests: transition metal complexes (including organometallic); platinum, palladium, nickel; synthesis; electrochemistry; photophysics; spectroscopy; modelling of catalytic processes

Co-Guest Editor
Prof. Dr. Elena Lalinde
University of La Rioja, Logrono, La Rioja, Spain
Website: https://cisq.unirioja.es/en/gmmo.php
E-Mail: elena.lalinde@unirioja.es
Interests: synthesis of platinum group metal complexes, design of clusters and supramolecular networks stabilized by metal-metal and metal alkynyl bonds, study of their reactivity and photophysical behavior

Special Issue Information

Dear Colleagues,

The history of organoplatinum chemistry spans a long time period, from the early reports of Zeise or Pope and Peachey in the 19th century to today’s manifold applications of organoplatinum complexes or building blocks. On first view, the reason is simple: platinum, especially in the oxidation state +II provides very inert and thermodynamically stable Pt-C bonds and Pt2+ is (apart from Pd2+) the best ion to coordinate to olefin ligands.

Many applications of organoplatinum compounds utilize this robustness, which is even further elevated in cyclometalated compounds or units. In turn, the ease-of-use of the metalation reaction in activating H-C or X-C functions opens a vast field of synthetic organometallic chemistry. Organometallic platinum complexes or building blocks are highly amenable for use in the construction of supramolecular aggregates or hybrid materials. Such materials are often employed because of their easily tuneable (electro)luminescence. Here, the heavy and relativistic character of platinum, and thus the availability of triplet excited states, adds to the stable binding in such compounds. Pt-C bonds of organoplatinum complexes have also proved to be inert under physiological conditions; and the increased cytotoxicity compared to the established (non-organometallic) drug cisplatin and different toxicity mechanism, makes them interesting candidates for future anti-cancer drugs. On the other hand, chemists would not be chemists if they could not tune the bond strength and reactivity of Pt-C bonds, and thus render them more reactive. Therefore, in addition to the currently established use of organoplatinum complexes as slowed down models of platinum metal catalysed processes (note that palladium and rhodium are far less inert), organoplatinum complexes themselves have emerged on the scene as reactive, chemo- or stereo-selective reagents or catalysts.

Prof. Dr. Axel Klein
Guest Editor


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  • luminescent complexes and materials
  • supramolecular chemistry; cytotoxicity
  • CVD
  • cyclometalation
  • structural and mechanistic studies
  • reactive species in organometallic catalysis

Published Papers (1 paper)

Inorganics 2014, 2(1), 115-131; doi:10.3390/inorganics2010115
Received: 14 February 2014; in revised form: 13 March 2014 / Accepted: 13 March 2014 / Published: 21 March 2014
Show/Hide Abstract | PDF Full-text (631 KB) | HTML Full-text | XML Full-text
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Confirmed author list

Rainer Winter Universitaet Konstanz, Germany
Piero Mastorilli Polytechnic of Bari, Italy
Elena Lalinde University of La Rioja, Spain

Title: Experimental and Theoretical Studies of the Factors affecting the Cycloplatination of the Chiral Ferrocenylaldimine (SC)-[(eta-5-C5H5)Fe{(eta-5-C5H4)-C(H)=N-CH(Me)(C6H5)}].
Concepción López 1, Ramón Bosque 1,*, Marta Pujol 1, Jonathan Simó 1, Eila Sevilla 1, Mercè Font-Bardía 2, Ramon Messeguer3 and Carme Calvis 3
1 Departament de Química Inorgánica, Facultat de Química. Universitat de Barcelona. Martí i Franquès 1-11. 08028-Barcelona, Spain; E-Mail: conchi.lopez@qi.ub.es
Unitat de Difracció de Raigs-X, Centre Científic i Tecnològic de la Universitat de Barcelona, Solé i Sabarís 1-3, E-08028 Barcelona, Spain
Biomed Division, Leitat Tecnological Center, Parc Científic de Barcelona, Edifici Hèlix, C/ Baldiri i Reixach, 15–21, E-08028-Barcelona, Spain
Cycloplatinated complexes containing (C,N)- or (C,N,X)- ligands are widely used as core motifs for a large number of compounds with interesting properties and a wide variety of applications. Sensors, optical devices, molecular machines or precursors in synthesis, catalysis and drug delivery have been reported. Recent contributions suggest that these compounds are excellent candidates for the design of new anticancer drugs as alternatives to cisplatin.

It is well known that their chemical, physical, photo-optical and electrochemical properties, their reactivity, their biological or catalytic activities and their utility in different areas are dependent on several factors among which the type of metallated carbon atom, the nature of the N or N and X donor atoms of the bi- (C,N)- or terdentate (C,N,X)- ligands, their flexibility or rigidity, the presence, location and characteristics of the substituents and the properties of additional ancillary ligands bound to the platinum(II) are probably the most important.

On the other hand, despite the increasing interest innew ferrocene derivatives, their use as ligands in front of transition metal ions and the study of the regioselectivity of the cyclometallation process, the number of articles centred on enantiopure or diastereopure cycloplatinated complexes are not common and in none of the examples described, the chiral ligand has different types of C-H bonds susceptible to activate.

In this special issue on "Organoplatinum Complexes" in Inorganics, we would like to contribute with a full paper on our recent results entitled “Experimental and Theoretical Studies of the Factors affecting the Cycloplatination of the Chiral Ferrocenylaldimine (RC)-[(η5-C5H5)Fe{(η5-C5H4)-C(H)=N-CH
. This ligand may undergo cycloplatination on the phenyl or the C5H4 rings. This would produce enantiopure platinacycles with a σ{Pt-C(sp2, phenyl)} bond or the two diastereomers arising from the activation of the σ{C(sp2, ferrocene)-H} bonds of the prochiral C5H4 ring of the ferrocenyl unit. The main factors controlling the formation of these products will be established together with a comparative study of their properties. Complementary computational studies will also be included in order to rationalize the experimental results obtained

Last update: 8 July 2014

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