Studies of Unusual Amino Acids and Their Peptides. XIII. The Chemistry of<i>N</i>-(Carboxy methyl) amino Acids. II. The Synthesis of Peptides Containing<i>N</i>-(Carboxymethyl) amino Acids
作者:Toshifumi Miyazawa
DOI:10.1246/bcsj.53.3661
日期:1980.12
Z–Cm-amino acid derivatives as the carboxyl components. On the other hand, a peptide using a Cm-amino acid diester as the amino component could not be prepared by the usual methods mentioned above. The desired compound was eventually obtained by the acid chloride method. A peptide containing a Cm-amino acid with the free imino group was also prepared by the condensation of a bromoacetylated amino acid ester
研究了N-羧甲基(Cm-)氨基酸合成肽的基本问题。通过用于母体氨基酸的常规方法获得了几种游离Cm-氨基酸的N-保护衍生物及其单酯的N-苄氧羰基(Z)衍生物。在 Cm 氨基酸的任一羧基上形成肽键被证明可以通过常用方法实现,例如碳二亚胺、二环己基碳二亚胺-1-羟基苯并三唑或混合酸酐方法,如使用 Z-Cm 的示例所示-氨基酸衍生物作为羧基组分。另一方面,使用Cm-氨基酸二酯作为氨基组分的肽不能通过上述常用方法制备。最终通过酰氯法得到所需化合物。