PPh3-Catalyzed Remote Aminofluorination Reactions: Regioselective Access to γ- and ε-Fluoroamines Containing Oxindole
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Remote aminofluorinations as a powerful strategy to synthesize 1,n-fluoroamines (n > 2) are of great significance and highly challenging. Herein, a remote 1,5-aminofluorination of spirovinylcyclopropyl oxindoles and N-fluorobenzenesulfonimide (NFSI) was achiev... ...
