Abstract
We present a concise and high-yielding route for the preparation of novel five-, six-, and seven-membered cycloether systems bearing [2,4]-oxazoles units. The approach is based on intramolecular electrophilic oxirane ring expansion strategies and β-hydroxyamide cyclodehydration-oxidation reactions mediated by Deoxo-Fluor and BrCCl 3 /DBU.
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