2,6-二苯乙炔基-4-异丁氧基吡啶寡聚物与银离子的配位行为

doi:10.7523/j.issn.2095-6134.2015.04.006

中国科学院大学学报 ›› 2015, Vol. 32 ›› Issue (4): 459-467.DOI: 10.7523/j.issn.2095-6134.2015.04.006

2,6-二苯乙炔基-4-异丁氧基吡啶寡聚物与银离子的配位行为

李巧连¹, 黄甫², 尚洁², 何裕建^1,3

1. 中国科学院大学化学与化学工程学院, 北京 100049;
2. 北京师范大学化学学院, 北京 100875;
3. 北京大学天然药物及仿生药物国家重点实验室, 北京 100191

收稿日期:2014-12-24 修回日期:2015-01-23 发布日期:2015-07-15
通讯作者: 何裕建
基金资助:
国家自然科学基金(21272263)和北京大学天然药物及仿生药物国家重点实验室开放基金(K20140204)资助

Coordination behavior between 2,6-bis(phenylethynyl)-4-isobutoxy-pyridine oligomers and Ag(I)

LI Qiaolian¹, HUANG Fu², SHANG Jie², HE Yujian^1,3

1. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;
2. College of Chemistry, Beijing Normal University, Beijing 100875, China;
3. State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China

Received:2014-12-24 Revised:2015-01-23 Published:2015-07-15

摘要/Abstract

摘要： 设计合成一系列含有2,6-二苯乙炔基-4-异丁氧基吡啶结构单元的寡聚物分子,包括单体化合物及其二聚体和三聚体分子,并通过¹H-NMR、¹³C-NMR、HR-ESI-MS对它们进行表征.通过¹H-NMR滴定实验、Job's Plot实验及HR-ESI-MS实验对寡聚物与银离子之间的配位行为进行研究,发现3个寡聚物分子在银离子诱导下都可以形成三螺旋结构,而且异丁氧基的引入可以显著增强寡聚物与银离子的配位能力.

关键词: 折叠体, 螺旋, 银离子, 配位作用

Abstract: A series of 2,6-bis(phenylethynyl)-4-isobutoxy-pyridine oligomers, including monomer, dimer, and trimer, were prepared and characterized with ¹H and ¹³C NMR spectroscopies and HR-ESI mass spectrometries, respectively. A combination of ¹H-NMR titration experiments, Job's Plot experiments, and HR-ESI mass spectrometries confirmed that the oligomers were able to form triple-stranded helical structures in the presence of silver ions in solution and indicated that the coordination ability of the oligomers were significantly enhanced due to isobutoxy group.

Key words: foldamers, helicates, silver ions, coordination

中图分类号:

O622

李巧连, 黄甫, 尚洁, 何裕建. 2,6-二苯乙炔基-4-异丁氧基吡啶寡聚物与银离子的配位行为[J]. 中国科学院大学学报, 2015, 32(4): 459-467.

LI Qiaolian, HUANG Fu, SHANG Jie, HE Yujian. Coordination behavior between 2,6-bis(phenylethynyl)-4-isobutoxy-pyridine oligomers and Ag(I)[J]. , 2015, 32(4): 459-467.

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2,6-二苯乙炔基-4-异丁氧基吡啶寡聚物与银离子的配位行为

Coordination behavior between 2,6-bis(phenylethynyl)-4-isobutoxy-pyridine oligomers and Ag(I)

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