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Updated: May 21, 2025

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes
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Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Published on: June 24, 2022

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通过Zr介导的质子合电子转移将光催化酸盐降解为氨

Pedro J Jabalera-Ortiz1, Alvaro M Rodriguez-Jimenez1, Pablo Garrido-Barros1

  • 1Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Granada and Unidad de Excelencia en Química (UEQ), Avda. Fuente Nueva s/n, 18071, Granada, Spain.

ChemSusChem
|March 18, 2025
PubMed
概括

研究人员开发了一种新的光催化方法,使用氧化协调,在可见光下将酸盐减少为氨. 这个由离子和白银催化剂增强的过程为环境修复和化学合成提供了有前途的途径.

关键词:
一致的催化剂.减少酸盐的减少光电氧催化剂的催化作用质子合电子转移的电子转移.反应机制的反应机制.

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Nitrous acid is a relatively weak and unstable acid prepared in situ by the reaction of sodium nitrite and cold, dilute hydrochloric acid. In an acidic solution, the nitrous acid undergoes protonation when it loses water to form a nitrosonium ion—an electrophile. Nitrous acid reacts with primary amines to give diazonium salts. The reaction is called diazotization of primary amines.
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Nitriles can be reduced to primary amines using reducing agents like lithium aluminum hydride or catalytic hydrogenation. The reduction introduces an amino group with an extra carbon in the skeleton. Nitriles are formed from the reaction between alkyl halides and sodium cyanide through the SN2 mechanism. Primary alkyl halides are the preferred substrates to prepare nitriles.
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