An efficient and selective catalytic reduction of nitriles is presented using the commercially available Ru‐Macho‐BH complex. The reaction will take place at a raised temperature and pressure. The reduction of nitriles using hydrogen and a metal catalyst The carbon-nitrogen triple bond in a nitrile can also be reduced by reaction with hydrogen gas in the presence of a variety of metal catalysts. The second and third equations illustrate the extreme difference in hydrogenation reactivity between esters and nitriles.

The only other reduction of a carboxylic acid derivative that is widely used is that of nitriles to 1º-amines. Notably, the hydrogenation of nitriles has been exploited with manganese, iron and cobalt catalysts using molecular hydrogen.

Structurally diverse carbonyl compounds were selectively transformed into primary amines with good to excellent yields (82.8–99.6%) under mild conditions. Ligand‐like, polyvinylpyrrolidone molecules stabilize single‐atom Pt during UV‐induced photoreduction on titanium oxide nanorods encapsulated by graphitic carbon. The latest development of catalysts with cheap metals like Fe, Co, Ni, and Cu has led to their tremendous achievements over the last years prompting their greater application as “standard” catalysts. The catalytic hydrogenation of nitriles to primary amines represents an atom-efficient and environmentally benign reduction methodology in organic chemistry.

The reduction of nitriles using LiAlH 4. Aliphatic nitriles are converted to the corresponding amides by contacting the nitrile in the presence of water with a cupreous catalyst containing copper metal. 22. The development of inexpensive and high performing catalysts for ammonia borane (NH 3 BH 3) hydrolysis is crucial for hydrogen production.In our research, a high-performance plate-like Cu 2 O–CoO nanocomposite catalyst for NH 3 BH 3 hydrolysis has been developed for the first time. This has been accomplished in recent years mainly with precious-metal-based catalysts, with a single exception. A nitrogen-doped carbon-supported Co catalyst (Co/N-C-800) was discovered to be highly active for the reductive amination of carbonyl compounds with NH 3 and the hydrogenation of nitriles into primary amines using H 2 as the hydrogen source. The reaction will take place at a raised temperature and pressure. The reduction of nitriles using hydrogen and a metal catalyst The carbon-nitrogen triple bond in a nitrile can also be reduced by reaction with hydrogen gas in the presence of a variety of metal catalysts.

The reducing agent. This novel catalyst allows for efficient reduction of nitroarenes, carbonyls, nitriles, N-containing heterocycles, and unsaturated carbon–carbon bonds. Examples of these reductions are provided in the following diagram.

Hydrogen pressure influences the selectivity for the primary amines. Commonly quoted catalysts are palladium, platinum or nickel. The mechanism of nitrile reduction with nonclassical ruthenium hydride pincer complexes is investigated by DFT calculations. Commonly quoted catalysts are palladium, platinum or nickel. However, other catalysts, such as cobalt boride, also can be selective for primary amine production:

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