Native chemical ligation using removable Nα-(1-phenyl-2-mercaptoethyl) auxiliaries
作者:Paolo Botti、Michael R Carrasco、Stephen B.H Kent
DOI:10.1016/s0040-4039(01)00036-3
日期:2001.3
methodology to extend native chemical ligation is presented. This method makes use of a novel 1-phenyl-2-mercaptoethyl auxiliary moiety on the α-amino group of a first peptide segment, the auxiliary acts as a 1-amino-2-thiol-containing functional group to effect thioester-mediated, amide-forming ligation with a second thioester-containing peptide. Subsequent facile removal of the auxiliary from the newly
提出了一种扩展天然化学连接的新方法。此方法利用了第一个肽段的α-氨基上的新型1-苯基-2-巯基乙基辅助部分,该辅助部分充当了含1-氨基-2-硫醇的官能团,可实现硫酯介导的功能,与第二个含硫酯的肽形成酰胺的连接。随后从新形成的酰胺中容易地除去助剂,得到的产物仅具有天然肽结构。