A Convenient Method for the Preparation of<i>N</i>-Aryl and<i>N</i>-Alkyl-<i>O</i>-Methyl Hydroxylamines
作者:Paulo F. Santos、Ana M. Lobo、Sundaresan Prabhakar
DOI:10.1080/00397919508015485
日期:1995.11
Abstract Trifluoroaceto or p-nitrobenzo-N-substituted hydroxamic acids are smoothly methylated with diazomethane and the products cleanly cleaved by hydrazine to provide the title compounds.
Exploiting Hydroxamic Acids as Organocatalysts for the Epoxidation of Alkenes with Hydrogen Peroxide as the Oxidant
作者:Efthymios T. Poursaitidis、Foteini Trigka、Christiana Mantzourani、Maroula G. Kokotou、Ierasia Triandafillidi、Christoforos G. Kokotos
DOI:10.1002/ejoc.202400082
日期:2024.4.2
An organocatalytic epoxidation of alkenes synthesis is presented in which hydroxamic acids are used as the catalyst and hydrogenperoxide as the green oxidant. Mechanistic studies by direct infusion HRMS provide experimental evidence for the formation of various intermediates.