Special Issue "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).

Special Issue Editor

Prof. Dr. Claudio Pettinari
E-Mail Website
Guest Editor
Inorganic Chemistry Unit, School of Pharmacy-ICCOM-CNR Camerino, University of Camerino, via S. Agostino 1, 62032 Camerino, Italy
Interests: metal-organic frameworks (MOFs); antitumoral compounds; antitbacterial compounds; H2 storage
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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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Keywords

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

Published Papers (2 papers)

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Research

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
Inorganics 2020, 8(5), 37; https://0-doi-org.brum.beds.ac.uk/10.3390/inorganics8050037 - 18 May 2020
Cited by 1 | Viewed by 972
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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Article
Structures and Properties of Dinitrosyl Iron and Cobalt Complexes Ligated by Bis(3,5-diisopropyl-1-pyrazolyl)methane
Inorganics 2019, 7(10), 116; https://0-doi-org.brum.beds.ac.uk/10.3390/inorganics7100116 - 20 Sep 2019
Viewed by 1016
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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