From Reactive Intermediates to Stable Compounds

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Science  08 Mar 2002:
Vol. 295, Issue 5561, pp. 1846-1847
DOI: 10.1126/science.1070364

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Carbon-based diradicals (radicals with two nonbonding electrons) are usually highly reactive and short-lived, appearing as intermediates in chemical reactions. In his Perspective, Wentrup highlights the diradical reported by Scheschkewitz et al., which is stable indefinitely at room temperature. Such stable diradicals may form the basis of novel magnetic materials.