Addition of dimethyloxosulfonium methylide to enantiomerically pure sulfinimines: Asymmetric synthesis of 2-substituted aziridines
作者:Franklin A. Davis、Ping Zhou、Chang-Hising Liang、Rajarathnan E. Reddy
DOI:10.1016/0957-4166(95)00185-r
日期:1995.7
Diastereoselective addition of dimethyloxosulfonium methylide to chiral nonracemic pure sulfinimines 1 affords N-sulfinyl aziridines 3 in 58-70% de which are readily separated. The N-sulfinyl auxiliary in 3 was removed, without ring-opening, by treatment with MeLi.