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帕戈达[4]阿伦和帕戈达[4]阿伦

Xiao-Ni Han^1,2, Ying Han¹, Chuan-Feng Chen^1,2

¹Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

Journal of the American Chemical Society

|April 16, 2020

概括

合成了新的pagodaarene宏循环 (P4和i-P4),并表现出独特的结构,强烈的蓝色光和选择性客体封装. 这些奇拉分子显示出奇拉发光材料的潜力.

科学领域:

超分子化学
有机合成
材料科学

背景情况:

在超分子化学中,宏环对于宿主-客体复合至关重要.
开发具有独特特性的新型宏观循环结构仍然是一个活跃的研究领域.

研究的目的:

合成和表征新型的pagodaarene宏循环,P4和i-P4.
研究它们的宿主-客体复合能力和光物理性质.
探索它们在光材料中的潜在应用.

主要方法:

2,6-二氧化和甲基甲的TFA催化的一凝结.
用于结构和光物理特征的光谱分析 (NMR,UV-Vis,光).
用各种客体进行宿主-客体复合研究 (n-hexane,二甲,丁,异环盐).
高性能液体染色学 (HPLC) 带有奇拉柱以获得反体分辨率.

主要成果:

方便合成的pagoda[4]arene (P4) 和i-pagoda[4]arene (i-P4) 具有方形的pagoda结构.
呈现强烈的蓝色光和固定形状.
证明了小分子 (n-hexane,二甲) 的封装以及二和异环盐的选择性结合.
由于深腔和分子间相互作用,与较长的链二甲结合常数增加.
实现了反体的高效分辨率,揭示了镜像CD信号和出色的圆极化发光 (CPL) 特性.

结论:

P4和i-P4是具有独特结构和光物理特性的新型宏循环宿主.
它们的深腔和多个交互点使得选择性宿主-客体复合成为可能.
稳定的平面性和CPL特性表明在光材料和传感中具有潜在的应用.

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