Recent Highlights Using Cobalt Catalysis
A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Organometallic Chemistry".
Deadline for manuscript submissions: 30 April 2024 | Viewed by 1930
Special Issue Editor
Special Issue Information
Dear Colleagues,
Cobalt is the most earth abundant element of the group 9 transition metals. Due to its abundancy and reactivity, researchers have found a broad application of cobalt catalysts to transform simple starting materials to complex target molecules. In addition, nowadays a great emphasis is placed on the development of sustainable catalysis by replacing noble transition metals with cheaper alternatives, and at this point cobalt has stood out as promising alternative due to its unique reactivity. In this Special Issue, researchers are welcomed to submit original research papers, as well as review articles that highlight the key achievements and current trends for the use of cobalt complexes in a diverse range of catalytic transformations, e.g., C-H bond functionalization reactions, hydrogenation, cycloaddition, cross-coupling, as well as radical reactions.
Dr. Liene Grigorjeva
Guest Editor
Manuscript Submission Information
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Keywords
- cobalt catalysis
- C-H bond functionalization
- hydrogenation
- radical reactions
- cycloaddition
- cross-coupling
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.
Title: Synthesis of Cobalt(III) Complexes Derived from Pyridoxal: Structural Cleavage Evaluations and in Silico Calculations for Biological Targets
Authors: Otávio Augusto Chaves
Affiliation: Federal University of Santa Maria
Abstract: This study sought to investigate the synthesis of eight complexes constituted by a cobalt(III) metallic center coordinated to two units of iminic ligands LnC (n = 1-4, L1C-L4C), which are derivatives of pyridoxal hydrochloride and anilines with thioether function containing one to four carbons. Depending on the source of the cobalt ion and the addition (or not) of a non-coordinating counterion, complexes with distinct structures may form, which can be categorized into two series: [CoIII(LnC)(L0C)] (n = 1-4, C1'-C4'), consisting of a LnC ligand and a ligand that presents a thiolate function the cleavage of the C-S (thioether) bond (L0C), and [CoIII(LnC)2]PF6 (n = 1-4, C1-C4), consisting of two similar units of the same LnC ligand. The occurrence (or not) of cleavage in the eight complexes was observed by elucidating the solid-state structures by single crystal X-ray diffraction. The synthesized complexes were evaluated by in silico calculations on viable biological targets such as deoxyribonucleic acid, superoxide dismutase enzyme, and human serum albumin.
