On-resin synthesis of cyclic peptides via tandem N-to-S acyl migration and intramolecular thiol additive-free native chemical ligation

被引:10
|
作者
Serra, Gloria [1 ]
Posada, Laura [1 ]
Hojo, Hironobu [2 ]
机构
[1] Univ Republica, Fac Quim, Dept Quim Organ, Quim Farmaceut, Gen Flores 2124,CC 1157, Montevideo, Uruguay
[2] Osaka Univ, Inst Prot Res, Suita, Osaka 5650871, Japan
关键词
CYSTEINE; MACROCYCLES; DESULFURIZATION;
D O I
10.1039/c9cc07783a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
On-resin intramolecular native chemical ligation (NCL) assisted by N-ethylcysteine using Fmoc/SPPS to obtain cyclic peptides is described. N-terminal cysteine-containing peptides were subjected to NCL conditions leading to cyclization-cleavage reactions and consecutive S -> N shift, rendering cyclic peptides in good yields and purities. The compounds were evaluated against P. falciparum 3D7.
引用
收藏
页码:956 / 959
页数:4
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