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α-Arylation of Cyclic Amines by Aryl Transfer in Lithiated Ureas

  • February 1, 2009

Treatment with base of N′-aryl urea derivatives of het-e­ro- or carbocyclic amines with benzylic nitrogen atoms promotes rearrangement with transfer of the aryl ring from N to C, giving rise to α-arylated products.

 

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