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Special Issue to Celebrate the Life and Work of Alexander...
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Special Issue to Celebrate the Life and Work of Alexander von Zelewsky (1936–2021)

A special issue of Chemistry (ISSN 2624-8549).

Deadline for manuscript submissions: closed (15 June 2022) | Viewed by 6553

Special Issue Editor

Prof. Dr. Edwin Charles Constable

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Guest Editor
Department of Chemistry, University of Basel, Building 1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
Interests: light harvesting using inorganic coordination complexes as dyes in dye-sensitized solar cells (DSCs); development of emissive complexes for application in light-emitting electrochemical cells (LECs); water splitting and water oxidation catalysts;functional coordination polymers and networks
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Special Issue Information

Dear Colleagues,

In January of this year, the chemistry community lost a leading light in coordination and supramolecular chemistry with the passing of Alexander von Zelewsky. Alex had broad interests inside and outside of chemistry and played many important roles in his university and in the Swiss chemical community. His scientific interests included the synthesis and spectroscopy of coordination compounds, photophysics and photochemistry and stereochemistry. His 1996 book Stereochemistry of Coordination Compounds was paradigm-shifting in making the broader chemical community aware of the intricacies and fascination of inorganic stereochemistry as well as providing the first work to address the topic in a modern and readable manner.

This Special Issue will contain a number of invited articles from former colleagues and co-workers of Alex, but we also issue a general invitation for the contribution of manuscripts on the topics related to his chemical interests.

Manuscripts will be rigorously refereed on the basis of scientific quality as well as relevance to Alex's interests. If you are not certain that your proposed contribution will mesh with the theme of the Special Issue, please do not hesitate to contact the Editor.

Prof. Dr. Edwin Constable
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 submissions that pass pre-check are 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. Chemistry is an international peer-reviewed open access semimonthly 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). 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

  • stereochemistry
  • physical inorganic chemistry
  • platinum group metals
  • photochemistry
  • cyclometallation
  • coordination chemistry

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Published Papers (2 papers)

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Research

12 pages, 2767 KiB  
Article
Enantiopure Cyclometalated Rh(III) and Ir(III) Complexes Displaying Rigid Configuration at Metal Center: Design, Structures, Chiroptical Properties and Role of the Iodide Ligand
by Antoine Groué, Jean-Philippe Tranchier, Geoffrey Gontard, Marion Jean, Nicolas Vanthuyne and Hani Amouri
Chemistry 2022, 4(1), 156-167; https://doi.org/10.3390/chemistry4010014 - 12 Mar 2022
Viewed by 2543
Abstract
Enantiopure N-heterocyclic carbene half-sandwich metal complexes of the general formula [Cp*M(C^C:)I] (M = Rh, Ir; C^C: = NI-NHC; NI-H = Naphthalimide; NHC = N-heterocyclic carbene) are reported. The rhodium compound was obtained as a single isomer displaying six membered metallacycle and [...] Read more.
Enantiopure N-heterocyclic carbene half-sandwich metal complexes of the general formula [Cp*M(C^C:)I] (M = Rh, Ir; C^C: = NI-NHC; NI-H = Naphthalimide; NHC = N-heterocyclic carbene) are reported. The rhodium compound was obtained as a single isomer displaying six membered metallacycle and was resolved on chiral column chromatography to the corresponding enantiomers (S)-[Cp*Rh(C^C:)I] (S)-2 and (R)-[Cp*Rh(C^C:)I] (R)-2. The iridium congener, however, furnishes a pair of regioisomers, which were resolved into (S)-[Cp*Ir(C^C:)I] (S)-3 and (R)-[Cp*Ir(C^C:)I] (R)-3 and (S)-[Cp*Ir(C^C:)I] (S)-4 and (R)-[Cp*Ir(C^C:)I] (R)-4. These regioisomers differ from each other, only by the size of the metallacycle; five-membered for 3 and six-membered for 4. The molecular structures of (S)-2 and (S)-4 are reported. Moreover, the chiroptical properties of these compounds are presented and discussed. These compounds display exceptional stable configurations at the metal center in solution with enantiomerization barrier ΔG≠ up to 124 kJ/mol. This is because the nature of the naphthalimide-NHC clamp ligand and the iodide ligand contribute to their configuration’s robustness. In contrast to related complexes reported in the literature, which are often labile in solution. Full article
(This article belongs to the Special Issue Special Issue to Celebrate the Life and Work of Alexander von Zelewsky (1936–2021))
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13 pages, 2813 KiB  
Article
Complexation Behavior of Pinene–Bipyridine Ligands towards Lanthanides: The Influence of the Carboxylic Arm
by Atena B. Solea, Liangru Yang, Aurelien Crochet, Katharina M. Fromm, Christophe Allemann and Olimpia Mamula
Chemistry 2022, 4(1), 18-30; https://doi.org/10.3390/chemistry4010002 - 31 Dec 2021
Cited by 2 | Viewed by 3004
Abstract
The complexation behavior of two novel, chiral pinene–bipyridine-type ligands ((–)-HL1 and (–)-HL2) containing a carboxylic arm towards lanthanide Ln(III) (Ln = La, Eu, Lu) ions was investigated through spectroscopic methods. The association constants of the mononuclear complexes determined from the [...] Read more.
The complexation behavior of two novel, chiral pinene–bipyridine-type ligands ((–)-HL1 and (–)-HL2) containing a carboxylic arm towards lanthanide Ln(III) (Ln = La, Eu, Lu) ions was investigated through spectroscopic methods. The association constants of the mononuclear complexes determined from the UV-Vis titrations indicated that the ligand (–)-HL1 possessing a shorter carboxylic arm formed more stable complexes compared with (–)-HL2, whose carboxylic arm had one more methylene unit. This is due to the formation of more stable seven-member metal chelate rings in the first case as compared with the eight-member metal chelate rings in the second. IR and fluorescence spectroscopy provided additional information about the structure of these complexes. Full article
(This article belongs to the Special Issue Special Issue to Celebrate the Life and Work of Alexander von Zelewsky (1936–2021))
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