A Convenient Synthesis of Peptide Using Oxallates

Article abstract of DOI:10.1016/S0040-4039(00)85923-7

The equimolar reactions of N-protected amino acids , amino acids or amino acid esters with oxallates (1a-1e) having active ester groups in the presence of pyridine in acetonitrile afforded the corresponding dipeptides via active esters in good yields.