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Manganese-catalyzed hydrogenation, dehydrogenation, and hydroelementation reactions
Chemical Society Reviews ( IF 46.2 ) Pub Date : 2022-05-18 , DOI: 10.1039/d2cs00093h
Kuhali Das 1 , Satyadeep Waiba 1 , Akash Jana 1 , Biplab Maji 1
Affiliation  

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.

中文翻译:

锰催化加氢、脱氢和氢元素化反应

有机金属催化的新兴领域已转向研究地球上丰富的过渡金属,因为它们易于获得、经济优势和新颖的特性。在这种情况下,地壳中含量第三高的过渡金属锰已成为主要竞争者之一。因此,大量分子定义的 Mn 配合物已被合成并用于加氢、脱氢和加氢元素化反应。在这方面,催化剂设计基于三个支柱,即金属-配体双功能性、配体半化性和氧化还原活性。事实上,开发的催化剂不仅具有螯合原子的数量,而且其工作原理也不同,从而导致产物分子的周转数不同。因此,在螯合原子、反应条件、机理途径和产物周转数方面对分子定义的锰催化剂进行严格评估是重要的。在此,我们分析了锰配合物的催化活性、允许多种转化的多功能性以及它们将底物转化为靶分子的途径。本文也将有助于深入了解配体设计,从而有助于催化设计。
更新日期:2022-05-18
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