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Inorganics
Special Issues
Scorpionates: Recent Advances
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Scorpionates: Recent Advances

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Organometallic Chemistry".

Deadline for manuscript submissions: closed (30 April 2020) | Viewed by 8504

Special Issue Editor

Prof. Dr. Claudio Pettinari

E-Mail Website
Guest Editor
1. Chemistry Center, School of Pharmacy, Camerino, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy
2. CNR ICCOM, 50019 Sesto Fiorentino, Italy
3. IUSS Pavia, 27100 Pavia, Italy
Interests: metal-organic frameworks (MOFs); antitumoral compounds; antitbacterial compounds; H2 storage, CO2 storage and transformation, metal-catalyzed oxidations
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since their discovery, poly(pyrazol-1-yl)borates have been considered as one of the most useful ligands in coordination and organometallic chemistry. Recent contributions in this area have not only led to a new understanding of their electronic and steric features, but also of the relevant applications of their metal complexes, such as enzyme models, biological properties, advanced materials, C–H activation, and polymerization. This Special Issue will summarize the evolution of scorpionates in the last ten years and will highlight the most important contributions to this mature class of chelating ligands.

Prof. Dr. Claudio Pettinari
Guest Editor

Manuscript Submission Information

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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. Inorganics 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 2200 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

  • N-donor ligands
  • coordination chemistry
  • biological applications
  • Catalysts
  • Small molecules activations
  • Structures, Spectroscopic properties

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Published Papers (2 papers)

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Research

15 pages, 3630 KiB  
Article
Synthesis and Characterization of Catecholato Copper(II) Complexes with Sterically Hindered Neutral and Anionic N3 Type Ligands: Tris(3,5-diisopropyl-1-pyrazolyl)methane and Hydrotris(3,5-diisopropyl-1-pyrazolyl)borate
by Kiyoshi Fujisawa, Tetsuya Ono and Moemi Okamura
Inorganics 2020, 8(5), 37; https://doi.org/10.3390/inorganics8050037 - 18 May 2020
Cited by 7 | Viewed by 3829
Abstract
Three catecholato copper(II) complexes, [Cu(catCl4)(L1′)], [Cu(catBr4)(L1′)], and [Cu(catCl4)(L1H)], supported by sterically hindered neutral and anionic N3 type ligands: tris(3,5-diisopropyl-1-pyrazolyl)methane (referred to as L1′) and hydrotris(3,5-diisopropyl-1-pyrazolyl)borate (referred to as L1−), are synthesized and [...] Read more.
Three catecholato copper(II) complexes, [Cu(catCl4)(L1′)], [Cu(catBr4)(L1′)], and [Cu(catCl4)(L1H)], supported by sterically hindered neutral and anionic N3 type ligands: tris(3,5-diisopropyl-1-pyrazolyl)methane (referred to as L1′) and hydrotris(3,5-diisopropyl-1-pyrazolyl)borate (referred to as L1−), are synthesized and characterized in detail. Their X-ray structures reveal that both [Cu(catCl4)(L1′)] and [Cu(catBr4)(L1′)] complexes have a five-coordinate square-pyramidal geometry and [Cu(catCl4)(L1H)] complex has a four-coordinate square-planar geometry. The L1H is unusual protonated ligand that controls its overall charge. For the three catecholato copper(II) complexes, the oxidation state of copper is divalent, and catechol exists in catecholate as two minus anion. This difference in coordination geometry affects their d-d and CT transitions energy and ESR parameters. Full article
(This article belongs to the Special Issue Scorpionates: Recent Advances)
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20 pages, 3463 KiB  
Article
Structures and Properties of Dinitrosyl Iron and Cobalt Complexes Ligated by Bis(3,5-diisopropyl-1-pyrazolyl)methane
by Haruka Kurihara, Ayuri Ohta and Kiyoshi Fujisawa
Inorganics 2019, 7(10), 116; https://doi.org/10.3390/inorganics7100116 - 20 Sep 2019
Cited by 6 | Viewed by 3713
Abstract
Two dinitrosyl iron and cobalt complexes [Fe(NO)2(L1”)](BF4) and [Co(NO)2(L1”)](BF4) are synthesized and characterized, supported by a less hindered bidentate nitrogen ligand bis(3,5-diisopropyl-1-pyrazolyl)methane (denoted as L1”), are surprisingly stable under argon atmosphere. X-ray structural analysis shows [...] Read more.
Two dinitrosyl iron and cobalt complexes [Fe(NO)2(L1”)](BF4) and [Co(NO)2(L1”)](BF4) are synthesized and characterized, supported by a less hindered bidentate nitrogen ligand bis(3,5-diisopropyl-1-pyrazolyl)methane (denoted as L1”), are surprisingly stable under argon atmosphere. X-ray structural analysis shows a distorted tetrahedral geometry. Spectroscopic and structural parameters of the dinitrosyl iron and cobalt complexes are consistent with the previous reported {Fe(NO)2}9 and {Co(NO)2}10. Two N–O and M–N(O) stretching frequencies and their magnetic properties are also consistent with the above electronic structural assignments. We explored the dioxygen reactivities of the obtained dinitrosyl complexes. Moreover, the related [FeCl2(L1”)], [Co(NO3)2(L1”)], and [Co(NO2)2(L1”)] complexes are also characterized in detail. Full article
(This article belongs to the Special Issue Scorpionates: Recent Advances)
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