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Base Metal Catalysts for Deoxygenative Reduction of Amides to Amines

Khalimon, Andrey ; Gudun, Kristina ; Hayrapetyan, Davit

Catalysts, 2019-06, Vol.9 (6), p.490 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Base Metal Catalysts for Deoxygenative Reduction of Amides to Amines
Autor: Khalimon, Andrey ; Gudun, Kristina ; Hayrapetyan, Davit
Assuntos: Aldehydes ; Amides ; Amines ; Base metal ; base metals ; By products ; Carbonyl compounds ; Carbonyl groups ; Carbonyls ; Catalysts ; Chemical reactions ; Chemists ; Deoxygenation ; homogeneous catalysis ; Hydroboration ; Hydrogenation ; Hydrosilylation ; Imines ; Iridium ; Iron ; Manganese ; Metal hydrides ; Metals ; Natural products ; Nickel ; Reagents ; reduction ; Reduction (metal working) ; Rhodium ; Transition metals
É parte de: Catalysts, 2019-06, Vol.9 (6), p.490
Descrição: The development of efficient methodologies for production of amines attracts significant attention from synthetic chemists, because amines serve as essential building blocks in the synthesis of many pharmaceuticals, natural products, and agrochemicals. In this regard, deoxygenative reduction of amides to amines by means of transition-metal-catalyzed hydrogenation, hydrosilylation, and hydroboration reactions represents an attractive alternative to conventional wasteful techniques based on stoichiometric reductions of the corresponding amides and imines, and reductive amination of aldehydes with metal hydride reagents. The relatively low electrophilicity of the amide carbonyl group makes this transformation more challenging compared to reduction of other carbonyl compounds, and the majority of the reported catalytic systems employ precious metals such as platinum, rhodium, iridium, and ruthenium. Despite the application of more abundant and environmentally benign base metal (Mn, Fe, Co, and Ni) complexes for deoxygenative reduction of amides have been developed to a lesser extent, such catalytic systems are of great importance. This review is focused on the current achievements in the base-metal-catalyzed deoxygenative hydrogenation, hydrosilylation, and hydroboration of amides to amines. Special attention is paid to the design of base metal catalysts and the mechanisms of such catalytic transformations.
Editor: Basel: MDPI AG
Idioma: Inglês

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Base Metal Catalysts for Deoxygenative Reduction of Amides to Amines

Khalimon, Andrey ; Gudun, Kristina ; Hayrapetyan, Davit

Basel: MDPI AG

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