Metal-Catalyzed (De)Hydrogenation, Hydrogen Transfer and Hydroelementation Reactions

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

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2726

Special Issue Editor


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Guest Editor
Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, 53 Kabanbay Batyr Avenue, Nur-Sultan 010000, Kazakhstan
Interests: organometallic chemistry; transition metal chemistry; non-precious metals; catalysis; ligand design; reduction; (transfer) hydrogenation; hydroelementation reactions

Special Issue Information

Dear Colleagues,

The metal-catalyzed hydrogenation, dehydrogenation, and related reductive functionalization reactions are of fundamental importance to modern synthetic chemistry. These transformations represent economical and “green” alternatives to stoichiometric reactions and are widely applied in the preparation of both commodity and specialty chemical products. Recent developments in this field also addressed many environmental issues, such as the treatment of emerging pollutants and the utilization of carbon dioxide. Moreover, efficient catalytic reductive functionalization reactions open new avenues in synthetic chemistry through the further derivatization of products via cascade/tandem approaches to access new, more complex value-added compounds. Moreover, hydrogenation/dehydrogenation catalysis is considered a promising technology for hydrogen production and related energy storage technologies. The search for efficient catalytic systems for these transformations utilizing abundant and cheap metals as well as the fine tuning of catalysts via the design of new ligands, often allowing for metal–ligand cooperativity, to achieve highly selective catalytic transformations remains one of the main goals in this field.

This Special Issue aims to highlight recent advances in hydrogenation, dehydrogenation, hydrogen transfer, and hydroelementation catalysis using both homogeneous and heterogeneous systems, including applications of these transformations to synthetic and environmental chemistry, carbon dioxide utilization, and energy storage technologies.

Dr. Andrey Y. Khalimon
Guest Editor

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Keywords

  • transition metal catalysis
  • main group catalysis
  • ligand design
  • homogeneous catalysis
  • heterogeneous catalysis
  • bond activation
  • hydrogenation
  • transfer hydrogenation
  • hydroelementation
  • selectivity

Published Papers (1 paper)

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Research

13 pages, 6415 KiB  
Article
Syntheses and Applications of Symmetrical Dinuclear Half-Sandwich Ruthenium(II)–Dipicolinamide Complexes as Catalysts in the Transfer Hydrogenation of Ketones
by Robert Tettey Kumah, Sabathile Thandeka Mvelase and Stephen Otieno Ojwach
Inorganics 2022, 10(11), 190; https://doi.org/10.3390/inorganics10110190 - 29 Oct 2022
Cited by 2 | Viewed by 1708
Abstract
The treatment of [Ru(η6-p-cymene)Cl2]2 with N,N’-(1,2-phenylene)dipicolinamide (H2L1) afforded the double salt complex [{Ru(η6-p-cymene)2-µ-Cl}L1][Ru(η6-p-cymene)Cl3], (Ru1) in moderate [...] Read more.
The treatment of [Ru(η6-p-cymene)Cl2]2 with N,N’-(1,2-phenylene)dipicolinamide (H2L1) afforded the double salt complex [{Ru(η6-p-cymene)2-µ-Cl}L1][Ru(η6-p-cymene)Cl3], (Ru1) in moderate yields. Separately, the reactions of ligands (H2L1), N,N’-(4,5 dimethyl-1,2-phenylene)dipicolinamide (H2L2), and N,N’-(4-methoxy-1,2-phenylene)dipicolinamide (H2L3) with the [Ru(η6-p-cymene)Cl2]2 in the presence of KPF6 afforded the respective dinuclear half-sandwich Ru(II) complexes [{(Ru(η6-p-cymene)2--µ-Cl}L1][PF6] (Ru2), [{(Ru(η6-p-cymene)2-µ-Cl}L2][PF6] (Ru3), and [{(Ru(η6-p-cymene)2-µ-Cl}L3][PF6] (Ru4). NMR and FT-IR spectroscopies, ESI-MS spectrometry, and elemental analyses were used to establish the molecular structures of the new dinuclear ruthenium(II) complexes. Single crystal X-ray crystallography was used to confirm the piano-stool geometry of the dinuclear complexes Ru1 and Ru4, as containing N^N chelated ligand and bridging chlorido ligands in each Ru(II) atom. The complexes (Ru1-Ru4) showed good catalytic activities at low catalyst concentrations of 0.005 mol% in the transfer hydrogenation of a wide range of ketone substrates. Full article
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