Polynuclear Complexes in Oxidation Catalysis

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalysis in Organic and Polymer Chemistry".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 7910

Special Issue Editor


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Guest Editor
Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
Interests: coordination and inorganic chemistry; polynuclear homo- and heterometallic complexes; homogeneous catalysis; oxidative transformations; C–H activation

Special Issue Information

Dear Colleagues,

Catalytic oxidation is a process of fundamental significance in chemistry. From both organic and inorganic points of view, catalytic oxidation is a part of many laboratory and industrial protocols for a wide range of valuable products. Coordination compounds of transition metals are common catalysts for oxidative transformations, where the metal centre plays various roles, from the coordination of substrates and stabilization of intermediates to the activation of an oxidant. Polynuclear complexes, inspired by structures of enzymes’ active centres, could constitute next-generation catalysts. The presence of few metals at a close distance could promote the interaction between coordinated intermediates, enhancing the activity and opening new catalytic pathways.

This Special Issue welcomes contributions focused on investigation of the catalytic activity of polynuclear coordination compounds in a broad range of oxidative processes. This includes both inorganic (e.g., water oxidation) and organic (oxidation of functional groups, late stage functionalization, C–H activation, oxidative coupling, etc.) reactions of fundamental and applied interests.

Dr. Oksana V. Nesterova
Guest Editor

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Keywords

  • Polynuclear complexes
  • transition metals
  • homogeneous catalysis
  • oxidation processes
  • organic synthesis
  • reaction mechanism
  • kinetics

Published Papers (2 papers)

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Research

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12 pages, 6625 KiB  
Article
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals
by Respati K. Pramadewandaru, Jeong-Hu Shim, Young Wook Lee and Jong Wook Hong
Catalysts 2021, 11(11), 1337; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11111337 - 05 Nov 2021
Cited by 3 | Viewed by 1834
Abstract
The exploration of efficient nanocatalysts with high activity and stability towards water electrolysis and fuel cell applications is extremely important for the advancement of electrochemical reactions. However, it remains challenging. Controlling the morphology of bimetallic Pd–Pt nanostructures can be a great way to [...] Read more.
The exploration of efficient nanocatalysts with high activity and stability towards water electrolysis and fuel cell applications is extremely important for the advancement of electrochemical reactions. However, it remains challenging. Controlling the morphology of bimetallic Pd–Pt nanostructures can be a great way to improve their electrocatalytic properties compared with previously developed catalysts. Herein, we synthesize bimetallic Pd–Pt nanodendrites, which consist of a dense matrix of unsaturated coordination atoms and high porosity. The concentration of cetyltrimethylammonium chloride was significant for the morphology and size of the Pd–Pt nanodendrites. Pd–Pt nanodendrites prepared by cetyltrimethylammonium chloride (200 mM) showed higher activities towards both the hydrogen evolution reaction and methanol oxidation reaction compared to their different Pd–Pt nanodendrite counterparts, commercial Pd, and Pt catalysts, which was attributed to numerous unsaturated surface atoms in well-developed single branches. Full article
(This article belongs to the Special Issue Polynuclear Complexes in Oxidation Catalysis)
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Review

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27 pages, 11830 KiB  
Review
Catalytic Oxidations with Meta-Chloroperoxybenzoic Acid (m-CPBA) and Mono- and Polynuclear Complexes of Nickel: A Mechanistic Outlook
by Dmytro S. Nesterov and Oksana V. Nesterova
Catalysts 2021, 11(10), 1148; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11101148 - 25 Sep 2021
Cited by 17 | Viewed by 5524
Abstract
Selective catalytic functionalization of organic substrates using peroxides as terminal oxidants remains a challenge in modern chemistry. The high complexity of interactions between metal catalysts and organic peroxide compounds complicates the targeted construction of efficient catalytic systems. Among the members of the peroxide [...] Read more.
Selective catalytic functionalization of organic substrates using peroxides as terminal oxidants remains a challenge in modern chemistry. The high complexity of interactions between metal catalysts and organic peroxide compounds complicates the targeted construction of efficient catalytic systems. Among the members of the peroxide family, m-chloroperoxybenzoic acid (m-CPBA) exhibits quite complex behavior, where numerous reactive species could be formed upon reaction with a metal complex catalyst. Although m-CPBA finds plenty of applications in fine organic synthesis and catalysis, the factors that discriminate its decomposition routes under catalytic conditions are still poorly understood. The present review covers the advances in catalytic C–H oxidation and olefine epoxidation with m-CPBA catalyzed by mono- and polynuclear complexes of nickel, a cheap and abundant first-row transition metal. The reaction mechanisms are critically discussed, with special attention to the O–O bond splitting route. Selectivity parameters using recognized model hydrocarbon substrates are summarized and important factors that could improve further catalytic studies are outlined. Full article
(This article belongs to the Special Issue Polynuclear Complexes in Oxidation Catalysis)
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