Noncovalent Organocatalytic Synthesis of Enantioenriched Terminal Aziridines with a Quaternary Stereogenic Center
作者:Claudia De Fusco、Tiziana Fuoco、Gianluca Croce、Alessandra Lattanzi
DOI:10.1021/ol3017066
日期:2012.8.17
A high-yielding and enantioselective access to novel N-Boc terminal aziridines, bearing a quaternarystereogeniccenter, has been developed via an aza-Michael initiated ring-closure (aza-MIRC) reaction of α-acyl acrylates with an N-tosyloxy tert-butyl carbamate catalyzed by a chiral amino thiourea. The feasibility of the aziridine regioselective ring-opening to valuable α,α-disubstituted α-amino acid