DOI: 10.1002/ejoc.202400082 ISSN: 1434-193X

Exploiting Hydroxamic Acids as Organocatalysts for the Epoxidation of Alkenes with Hydrogen Peroxide as the Oxidant

Efthymios Poursaitidis, Foteini Trigka, Christiana Mantzourani, Maroula Kokotou, Ierasia Triandafillidi, Christoforos G. Kokotos
  • Organic Chemistry
  • Physical and Theoretical Chemistry

The epoxidation of alkenes has altered and reshaped the way scientists think in modern organic synthesis. Herein, a novel, sustainable and eco‐friendly protocol for the epoxidation of alkenes is reported, utilizing hydrogen peroxide as the green oxidant and, for the first time, hydroxamic acid derivatives as the organocatalyst. The presented methodology is very effective, leading to good to high yields for the oxidation of a variety of olefins, while various functional groups are well tolerated. Mechanistic studies utilizing direct infusion high resolution mass spectrometry (DI‐HRMS) provide strong evidence for the mechanism of the organocatalytic oxidation.

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