Copper-catalyzed dehydrogenative borylation of terminal alkynes with pinacolborane.
- Author(s): Romero, Erik A
- Jazzar, Rodolphe
- Bertrand, Guy
- et al.
Published Web Locationhttps://doi.org/10.1039/c6sc02668k
LCuOTf complexes [L = cyclic (alkyl)(amino)carbenes (CAACs) or N-heterocyclic carbenes (NHCs)] selectively promote the dehydrogenative borylation of C(sp)-H bonds at room temperature. It is shown that σ,π-bis(copper) acetylide and copper hydride complexes are the key catalytic species.