Abstract
AbstractA facile and efficient synthesis of polysubstituted imidazolidin‐2‐ones has been developed via an oxidative cyclization reaction of activated acetyl amides and cyclic amidines mediated by iodosobenzene (PhIO). A mechanism is proposed for this transformation, which involves sequential intermolecular addition, Hofmann‐type rearrangement and intramolecular cyclization reactions. The novel protocol features readily available starting materials, mild reaction conditions, simple execution, metal‐free oxidative cyclization, and one‐pot procedure.
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