Copper-catalyzed diamination of unactivated alkenes with hydroxylamines.
A copper-catalyzed regio- and stereoselective diamination of unactivated alkenes has been developed with O
-acylhydroxylamines as electrophilic nitrogen sources and oxidants. This method provides the first example of metal-catalyzed alkene diamination for directly installing an electron-rich amino group and extends the diamination scope for the synthesis of diverse 1,2-diamines. It offers a rapid and efficient approach to construct a wide range of 1,2-diamines that are an important structural motif in organic synthesis, medicines, catalysts and ligands.
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