Friday, July 1, 2011

Ruthenium-Catalyzed Oxidative Annulation by Cleavage of CH/NH Bonds

Thumbnail image of graphical abstract
Bond activation in action: Unprecedented ruthenium-catalyzed oxidative annulations of alkynes through cleavage of C[BOND]H bonds set the stage for an efficient 1(2H)-isoquinolone synthesis with ample scope (see scheme; tAm=tert-amyl). Mechanistic studies provided strong evidence for a rate-limiting C[BOND]H bond metalation through carboxylate assistance.
  1. Prof. Dr. Lutz Ackermann, Angew. Chem. Int Ed. 2011, 
  2. DOI: 10.1002/anie.201101943

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