Angewandte Chemie International Edition
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Back Cover: Rhodium(III)-Catalyzed C-H Activation of Arenes Using a Versatile and Removable Triazene Directing Group (Angew. Chem. Int. Ed. 29/2012)
C-H activation/functionalization is one of the most effective ways to assemble complex organic scaffolds. A vital limitation is the need for a directing group that remains in the product architecture and restricts structural diversity. In their Communication on page 7242 ff., Y. Huang et al. describe a triazine directing group for Csp2-H activation/functionalization. This group exhibits substantial post-functionalization synthetic versatility, thus allowing for a range of further transformations.