Issue 11, 2022

Manganese-catalyzed hydrogenation, dehydrogenation, and hydroelementation reactions

Abstract

The emerging field of organometallic catalysis has shifted towards research on Earth-abundant transition metals due to their ready availability, economic advantage, and novel properties. In this case, manganese, the third most abundant transition-metal in the Earth's crust, has emerged as one of the leading competitors. Accordingly, a large number of molecularly-defined Mn-complexes has been synthesized and employed for hydrogenation, dehydrogenation, and hydroelementation reactions. In this regard, catalyst design is based on three pillars, namely, metal–ligand bifunctionality, ligand hemilability, and redox activity. Indeed, the developed catalysts not only differ in the number of chelating atoms they possess but also their working principles, thereby leading to different turnover numbers for product molecules. Hence, the critical assessment of molecularly defined manganese catalysts in terms of chelating atoms, reaction conditions, mechanistic pathway, and product turnover number is significant. Herein, we analyze manganese complexes for their catalytic activity, versatility to allow multiple transformations and their routes to convert substrates to target molecules. This article will also be helpful to get significant insight into ligand design, thereby aiding catalysis design.

Graphical abstract: Manganese-catalyzed hydrogenation, dehydrogenation, and hydroelementation reactions

Article information

Article type
Review Article
Submitted
31 1月 2022
First published
18 5月 2022

Chem. Soc. Rev., 2022,51, 4386-4464

Manganese-catalyzed hydrogenation, dehydrogenation, and hydroelementation reactions

K. Das, S. Waiba, A. Jana and B. Maji, Chem. Soc. Rev., 2022, 51, 4386 DOI: 10.1039/D2CS00093H

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