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   HOFMANN rearrangement



mechanism:


remarks:

  • goes through a nitrene intermediate
  • loss of a carbon atom
  • similarity with Curtius rearrangement

references:

Tetrahedron Lett. 2007, 48, 531.
Org. Lett. 2007, 9, 1433.
Heterocycles 2001, 54, 77.
J. Org. Chem. 1998, 63, 9533.
J. Org. Chem. 1997, 62, 7495.
J. Org. Chem. 1997, 62, 6918.