A View of Unusual Peroxides

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Science  10 Oct 2003:
Vol. 302, Issue 5643, pp. 235-236
DOI: 10.1126/science.1090810a

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Chemical processes involving oxygen can lead to unstable peroxide molecules such as three-membered ring dioxiranes. In his Perspective, Greer describes the stability of a variety of heteroatom-containing dioxiranes and the tools used to characterize unstable peroxides species. He highlights the report by Ho et al., who have used low-temperature nuclear magnetic resonance to obtain direct evidence for dioxirane intermediates. The method may also be applicable to biological systems in which peroxides have been implicated.