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  • Title: Rhodium-catalyzed intermolecular amidation of arenes with sulfonyl azides via chelation-assisted C-H bond activation.
    Author: Kim JY, Park SH, Ryu J, Cho SH, Kim SH, Chang S.
    Journal: J Am Chem Soc; 2012 Jun 06; 134(22):9110-3. PubMed ID: 22624801.
    Abstract:
    We report the direct amidation of arene C-H bonds using sulfonyl azides as the amino source to release N(2) as the single byproduct. The reaction is catalyzed by a cationic rhodium complex under external oxidant-free conditions in the atmospheric environment. A broad range of chelate group-containing arenes are selectively amidated with excellent functional group tolerance, thus opening a new avenue to practical intermolecular C-N bond formation.
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