Wednesday, January 25, 2012

Highly Regioselective Copper-Catalyzed Benzylic C[BOND]H Amination by N-Fluorobenzenesulfonimide


Primary target: A practical and effective copper-catalyzed amination strategy for synthesizing various benzylic amines from benzylic hydrocarbons is described (see scheme; DCE=1,2-dichloroethane). Xylene substrates can undergo diamination reactions using this method. The remarkable preference for primary over secondary benzylic CH bonds has been observed for the first time.

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