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Creators/Authors contains: "Takahashi, Shunsuke"

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  1. ; ; ; ; ; ; (, Advanced Synthesis & Catalysis)
    Abstract Aiming at the enhanced catalytic activity of fluoro‐λ3‐iodane generated from iodoarene precatalyst with Selectfluor and HF⋅pyridine, this study focused on the λ3‐iodanes bearing coordinating substituents. Compared to 4‐iodoanisole as a precatalyst of our previous method,N‐methyl‐2‐iodobenzamide or 2‐iodobenzamide worked well in the fluorocyclization ofN‐propargyl carboxamides to oxazoles. Control experiments suggest the equilibrium mixture of iodane‐amine complexes and cyclic iodane fluorides would be involved in the present catalysis. magnified image 
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