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- W198461535 abstract "The majority of free radical cyclization reactions are performed under reductive conditions, with the result that ring formation is invariably accomplished at the expense of one or more functional groups. Although illustrations of free-radical trapping, by, for example, oxygen, nitroxides, isonitriles, Michael acceptors, alkyl radicals, abound in the literature, the generality of these methods in synthesis has not been established. Single electron transfer has been implicated in the reactions of many transition metal complexes with organic halides, and it is our belief that transition metal reagents offer a great potential in free-radical trapping methodologies. In this presentation the authors describe methods for achieving oxidative free-radical cyclizations by means of nucleophilic cobalt(I) reagents. Further, they illustrate the scope for these reactions in the synthesis of functionalized oxygen and nitrogen heterocyclic ring systems present in a range of biologically important natural products." @default.
- W198461535 created "2016-06-24" @default.
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- W198461535 date "1986-09-01" @default.
- W198461535 modified "2023-09-26" @default.
- W198461535 title "Oxidative free radical cyclizations via cobalt(I) reagents in synthesis" @default.
- W198461535 hasPublicationYear "1986" @default.
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