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氢键作用与预组织在自组装系统演化中的相互作用

Interplay between H-Bonding and Preorganization in the Evolution of Self-Assembled Systems.

作者信息

Philips Divya S, Kartha Kalathil K, Politi Antiope T, Krüger Timo, Albuquerque Rodrigo Q, Fernández Gustavo

机构信息

Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany.

School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University (LJMU), Liverpool, UK.

出版信息

Angew Chem Int Ed Engl. 2019 Mar 26;58(14):4732-4736. doi: 10.1002/anie.201813955. Epub 2019 Mar 3.

DOI:10.1002/anie.201813955
PMID:30618093
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7646291/
Abstract

Cooperative π-π interactions and H-bonding are frequently exploited in supramolecular polymerization; however, close scrutiny of their mutual interplay has been largely unexplored. Herein, we compare the self-assembly behavior of a series of C - and C -symmetrical oligophenyleneethynylenes differing in their amide topology (N- or C-centered). This subtle structural modification brings about drastic changes in their photophysical and supramolecular properties, highlighting the reciprocal impact of H-bonding vs. preorganization on the evolution and final outcome of supramolecular systems.

摘要

协同π-π相互作用和氢键常用于超分子聚合；然而，对它们之间相互作用的仔细研究在很大程度上尚未开展。在此，我们比较了一系列酰胺拓扑结构（N-或C-中心）不同的C-和C-对称寡聚亚苯基乙炔的自组装行为。这种细微的结构修饰导致其光物理和超分子性质发生显著变化，突出了氢键与预组织对超分子体系演化和最终结果的相互影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/e07d2765f694/ANIE-58-4732-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/fa410fef2c3e/ANIE-58-4732-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/7efb734fa188/ANIE-58-4732-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/a8441c06a9cc/ANIE-58-4732-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/e07d2765f694/ANIE-58-4732-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/fa410fef2c3e/ANIE-58-4732-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/7efb734fa188/ANIE-58-4732-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/a8441c06a9cc/ANIE-58-4732-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2feb/7646291/e07d2765f694/ANIE-58-4732-g004.jpg

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