Reactive acyl dipeptides as potential penicillin analogues. Part I. α-(Acylaminosuccinimido)-carboxylic acids
作者:M. J. Mardle、J. H. C. Nayler、D. W. Rustidge、H. R. J. Waddington
DOI:10.1039/j39680000237
日期:——
hydrogenation of the benzyl esters or, in less pure form, by heating a dry mixture of the appropriate N-acyl aspartic anhydride and α-amino-acid in vacuo. Like penicillin, the α-(acylaminosuccinimido)-carboxylic acids could be regarded as acyl dipeptides containing a reactive peptide bond, but they displayed little or no antibacterial activity.
从N-酰基-α-天冬氨酰基-或N-酰基-β-天冬氨酰基-α-氨基酸的二酯制备许多α-(酰基氨基琥珀酰亚胺基)-羧酸的酯;环化反应是自发发生的,或者是在乙醇中与三乙胺一起加热而发生的。α-(酰基氨基琥珀酰亚胺基)-羧酸是通过苄基酯的催化氢化或纯度较低的形式通过在真空中加热适当的N-酰基天冬氨酸酐和α-氨基酸的干燥混合物而制得的。像青霉素一样,α-(酰基氨基琥珀酰亚胺基)-羧酸可被视为含有反应性肽键的酰基二肽,但它们几乎没有抗菌活性。