Pd/NHC-Catalyzed Enantiospecific and Regioselective Suzuki–Miyaura Arylation of 2-Arylaziridines: Synthesis of Enantioenriched 2-Arylphenethylamine Derivatives
摘要:
A palladium-catalyzed stereospecific and regioselective cross-coupling of enantiopure 2-arylaziridines with arylboronic acids under mild conditions to construct a tertiary stereogenic center has been developed. N-heterocyclic carbene (NHC) ligands efficiently promote the coupling, suppressing β-hydride elimination. The enantiospecific cross-coupling allowed us for preparation of a series of biologically important 2-arylphenethylamine derivatives in an enantiopure form.
Asymmetric synthesis<i>via</i>stereospecific C–N and C–O bond activation of alkyl amine and alcohol derivatives
作者:Sarah M. Pound、Mary P. Watson
DOI:10.1039/c8cc07093h
日期:——
electrophiles for stereospecific, nickel-catalyzed cross-coupling reactions, as well as the prior art that inspired our efforts. The success of our effort has relied on the use of benzyl ammonium triflates as electrophiles for cross-couplings via C–Nbondactivation and benzylic and allylic carboxylates for cross-couplings via C–O bondactivation. Our work, along with others’ exciting discoveries, has demonstrated