Highly enantioselective and diastereoselective synthesis of β-amino acid esters and β-lactams from achiral esters and imines
作者:E.J. Corey、Carl P. Decicco、Ronald C. Newbold
DOI:10.1016/s0040-4039(00)92366-9
日期:1991.9
The reaction of S-tert-butyl thiopropionate with a number of N-benzyl or N-allyl aldimines (4) as promoted by the chiral diazaborolidine 1 and triethylamine afforded the β-amino acidesters 5 with high diastereoselectivity and enantioselectivity, providing a simple route to chiral β-lactams 6.