Asymmetric Synthesis of α-Chloro-β-amino-<i>N</i>-sulfinyl Imidates as Chiral Building Blocks
作者:Filip Colpaert、Sven Mangelinckx、Stijn De Brabandere、Norbert De Kimpe
DOI:10.1021/jo200082w
日期:2011.4.1
New chiral α-chloro-β-amino-N-sulfinyl imidates were synthesized in high yield and excellent diastereomeric excess via highly anti-selective Mannich-typereactions of (RS)-methyl N-tert-butanesulfinyl-2-chloroethanimidate with aromatic aldimines. The α-chloro-β-amino-N-sulfinylimidates proved to be excellent building blocks for the asymmetric synthesis of β-amino-α-chloro amides and esters, aziridine-2-carboxylic