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Design and synthesis of conformationally homogeneous pseudo cyclic peptides through amino acid insertion: investigations on their self assembly

机译:通过氨基酸插入设计和合成构象均质的伪环肽:其自组装研究

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摘要

Macrocyclic C-2 symmetric peptides, containing bis furanoid triazole amino acids as di-beta-peptides linked to a D-alpha-amino acid or a beta-amino acid in each half, have been designed and synthesized. The D-alpha-amino acid derived product undergoes parallel homo-stacking in solution via amide NH and amide carbonyl oxygen H-bonding; such macrocycles may be used as model systems for artificial ion channels as their unidirectional assembly pattern attributes them with large dipole moments. In contrast, the beta-amino acid based compound forms only a conformationally homogeneous cyclic peptide without undergoing self assembly.
机译:已经设计并合成了大环C-2对称肽,该肽含有双呋喃类三唑氨基酸作为连接到D-α-氨基酸或β-氨基酸的二-β-肽。 D-α-氨基酸衍生的产物通过酰胺NH和酰胺羰基氧H键在溶液中平行均相堆积;这样的大环可以用作人工离子通道的模型系统,因为它们的单向组装模式将它们赋予大的偶极矩。相反,基于β-氨基酸的化合物仅形成构象均一的环肽而不经历自组装。

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