Non-Schotten-Baumann conditions are described for the hydantoin-free synthesis of peptide ester isocyanates using activated zinc dust as a non-basic HCl scavenger. Also, the procedure gives no N-acylated products in the case of the conversion of amino acid and peptide amides into isocyanates.
在使用活性
锌粉作为非碱性HCl清除剂的情况下,描述了无需使用海因(hydantoin)的肽酯
异氰酸酯自由合成方法,即非Schotten-Baumann条件。此外,在将
氨基酸和肽酰胺转化为
异氰酸酯的过程中,该方法不会产生N-酰化产物。