Design and synthesis of all diastereomers of cyclic pseudo-dipeptides as mimics of cyclic CXCR4 pentapeptide antagonists
作者:J?r?me Cluzeau、Shinya Oishi、Hiroaki Ohno、Zixuan Wang、Barry Evans、Stephen C. Peiper、Nobutaka Fujii
DOI:10.1039/b702649h
日期:——
The four diastereomers of 2,5-bis[(3-guanidino)propyl]-1-[3-(4-hydroxyphenyl)propionyl]-7-(2-naphthylacetyl )-1,4,7-triazacycloundec-9-en-3-one (-) and of 2,5-bis[(3-guanidino)propyl]-1-(4-hydroxyphenylacetyl)-7-(2-naphthylacetyl)-1,4,7 -triazacycloundec-9-en-3-one (-) were synthesized by a divergent methodology from l- and D-glutamic acids. The 11-membered ring core was made by ring closing metathesis
2,5-双[(3-胍基)丙基] -1- [3-(4-羟苯基)丙酰基] -7-(2-萘乙酰基)-1,4,7-三氮杂环十一烷基-9-en的四种非对映异构体-3-one(-)和2,5-双[(3-胍基)丙基] -1-(4-羟基苯基乙酰基)-7-(2-萘基乙酰基)-1,4,7-三氮杂环十一烷基-9-en通过发散的方法从I-和D-谷氨酸合成-3-一个(-)。通过线性双(烯丙基胺)的闭环复分解反应制得11元环核,并使用双(Boc)胍通过同时的两次Mitsunobu反应引入胍基官能团。设计这些化合物以模拟环状五肽FC131(c [Gly-D-Tyr-Arg-Arg-Nal])。