| Abstract
| - An experimentally simple, efficient, and inexpensive catalystsystem was developed for the N-arylation of pyrroles, indoles, and imidazole with aryl and heteroaryl iodides, bromides, and chlorides by applying CuI as catalyst, N-hydroxysuccinimide (L1), N-hydroxymaleimide (L2), or N-hydroxyphthalimide (L3) as ligand, CH3ONa as base, and DMSO assolvent. A variety of functional groups are tolerated in thereaction, including those that are not compatible with Pd-catalyzed amidation methodology.
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