Copper-mediated domino synthesis of pyrimido[4,5-b]carbazolones via Ullmann N-arylation and aerobic oxidative C–H amidation†
Abstract
New pyrimido[4,5-b]carbazolone derivatives have been synthesized through cascade Ullmann N-arylation and aerobic oxidative C–H amidation reactions catalyzed by CuBr under air and ligand-free conditions.
 
                



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