Synthesis and NMR investigation of cyclic pentapeptide analogues of thymopentin
作者:Horst Kessler、Bernhard Kutscher
DOI:10.1016/s0040-4039(00)61873-7
日期:1985.1
The synthesis of two cyclicpentapeptides cyclo (-Arg-Lys-Xxx-D-Val-Tyr-) (Xxx=Asp or Glu) with thymopentin-analogue sequences is described. Cyclization was achieved by the carbodiimide/DMAP method. The results of the NMR investigations performed on the protected pentapeptides suggest a βII′/γ-structure in DMSO solution.
描述了两个带有胸腺五肽类似物序列的环状五肽环(-Arg-Lys-Xxx-D-Val-Tyr-)(Xxx = Asp或Glu)的合成。通过碳二亚胺/ DMAP方法实现环化。调查在受保护的五肽进行的NMR的结果表明一个β II '/γ-结构在DMSO溶液中。