Novel and effective routes to optically pure amino acids, dipeptides, and their derivatives viaβ-lactams obtained through asymmetric cycloaddition
作者:Iwao Ojima、Hauh-Jyun C. Chen
DOI:10.1039/c39870000625
日期:——
Opticallypuredipeptides bearing aromatic aminoacid residues were synthesized via homochiral (opticallypure)β-lactams which were obtainedthroughasymmetriccycloadditions of homochiral ketenes to homochiral imines.