自组装的状受体通过质子合离子识别结合生物相关的二酸
Fei Wang, Sajal Sen1, Chuang Chen
1Department of Chemistry , The University of Texas at Austin , 105 East 24th Street Stop A 5300 , Austin Texas 78712-1224 , United States.
这项研究呈现出一种稳定,状的有机受体,可选择性地与二碳酸结合,如酸. 该受体可以反复组装和拆卸,这表明生物相关分子的受控捕获和释放的潜力.
科学领域:
- 超分子化学
- 有机化学
- 材料科学
背景情况:
- 开发用于选择性分子识别的新有机受体.
- 需要稳定和可回收的化学传感和分离系统.
研究的目的:
- 设计和合成一个完全有机的,自组装的二维受体.
- 研究其稳定性,结合性和可逆操作的潜力.
主要方法:
- 合成非循环纳基聚烯基基块.
- 使用X射线衍射和光谱分析进行表征.
- 用各种固态二酸和溶液 (THF) 进行结合性研究.
主要成果:
- 一个稳定的,类似子的二极体受体被成功构造.
- 观察到氧酸,酸和马龙酸的选择性结合,pKa>2.8的酸的结合较弱.
- 该受体在强酸性条件下表现出稳定性.
- 使用四甲和水洗实现可逆组装和拆卸,可在20个循环中重复.
结论:
- 纳夫二烯二聚体具有选择性二酸识别.
- 它的可逆性和稳定性表明其可用于控制捕获和释放生物相关的二碳酸.
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