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Hypervalent iodine reagents offer an environmentally benign alternative to heavy‐metal catalysts for stereoselective reactions. By using these powerful reagents, simple and readily accessible molecules, such as 1,1‐disubstituted alkenes (represented by the red/yellow/green blocks on the left), can be efficiently rearranged to enantioenriched α‐aryl ketones (on the right). The background blue lights...
A stereoselective hypervalent iodine‐promoted oxidative rearrangement of 1,1‐disubstituted alkenes has been developed. This practically simple protocol provides access to enantioenriched α‐arylated ketones without the use of transition metals from readily accessible alkenes.
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