Consecutive oxygen-based oxidations convert amines to α-cyanoepoxides.

Oxidations of amines with molecular oxygen using bifunctional gold–titania catalysts

Over the past decades it has become clear that supported gold nanoparticles are surprisingly active and selective catalysts for several green oxidation reactions of oxygen-containing hydrocarbons using molecular oxygen as the stoichiometric oxidant. We here report that bifunctional gold–titania catalysts can be employed to facilitate the oxidation of amines into amides with high selectivity. Fu...

Generation of reactive species and fate of thiols during peroxidase-catalyzed metabolic activation of aromatic amines and phenols.

The horseradish peroxidase (HRP)-catalyzed oxidation of p-phenetidine and acetaminophen was investigated. Studies using the spin probe 2-ethyl-1-hydroxy-2,5,5-trimethyl-3-oxazolidine (OXANOH) suggested these oxidations involve the generation of substrate-derived free radicals. This was confirmed by using glutathione (GSH) in these incubations in the presence of the spin trap 5,5-dimethyl-1-pyrr...

Developments in Synthetic Application of Selenium(IV) Oxide and Organoselenium Compounds as Oxygen Donors and Oxygen-Transfer Agents.

A variety of selenium compounds were proven to be useful reagents and catalysts for organic synthesis over the past several decades. The most interesting aspect, which emerged in recent years, concerns application of hydroperoxide/selenium(IV) oxide and hydroperoxide/organoselenium catalyst systems, as "green reagents" for the oxidation of different organic functional groups. The topic of oxida...

Ccxix. the Effects of Amines on Oxidations of the Brain. by Juda Hirsch Quastel and Arnold Herbert Maurice Wheatley

Copper-catalyzed aerobic oxidative synthesis of α-ketoamides from methyl ketones, amines and NIS at room temperature.

A simple, efficient and practical copper-catalyzed aerobic oxidative synthesis of α-ketoamides from aryl methyl ketones, aliphatic amines and N-iodosuccinimide (NIS) has been developed. The one-pot reaction may proceed smoothly at room temperature in the open air. The possible mechanism for the formation of α-ketoamides was proposed. Molecular oxygen in air functions as both an oxidant and an o...