Modulating Spin Delocalization in Phenoxyl Radicals Conjugated with Heterocycles
Organic Letters2000Vol. 2(22), pp. 3417–3420
Citations Over TimeTop 19% of 2000 papers
Abstract
Phenoxyl radicals were synthesized having heterocyclic substituents in the 4-position. Electron spin resonance spectroscopy shows spin density can be modulated by delocalization onto the heterocycle structure, to the extent that some of the largest spin density bearing sites in 3 and 4 lies in the heterocycle, not in the phenoxyl ring.
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