基于偶氮功能基的光控超分子组装  

Photo-Controlled Supramolecular Assemblies Based on Azo Group

作　　者：刘耀华 刘育[1] Yao-Hua Liu;Yu Liu(State Key Laboratory of Elemento-Organic Chemistry,College of Chemistry,Nankai University,Tianjin 300071,China)

机构地区：[1]南开大学化学系元素有机化学国家重点实验室

出　　处：《化学进展》2019年第11期1528-1539,共12页Progress in Chemistry

基　　金：国家自然科学基金项目(No.21432004,21772099,21861132001)资助~~

摘　　要：偶氮类化合物是一类具有合成简单,异构化速率和转化效率高,耐光漂白的反式-顺式(E/Z)光异构化化合物。由于其光异构特性及其可以与大环主体形成稳定包合物,偶氮类化合物在许多领域展现出巨大的应用潜力。在本篇综述中,我们介绍了近年来偶氮功能基修饰的单环糊精、偶氮苯桥联双环糊精、冠醚衍生物以及偶氮类芳香大环化合物等作为主体,或偶氮苯及其衍生物为客体通过主客体相互作用构筑的光刺激响应的超分子组装体系在拓扑形貌调控、药物传递、智能材料等方面的设计原理、组装机理、应用和发展趋势。同时,我们也讨论了此类超分子组装体发展所面临的机遇和挑战,并希望可以进一步促进智能超分子组装体系的发展。Azo compounds are a class of trans-cis(E/Z)photoisomerization compounds which have advantages of simple synthesis,high isomerization rate and efficiency,and resistance to photobleaching.Due to their outstanding photoisomeric properties and ability to form stable inclusion complexes with macrocyclic hosts,azo compounds have shown great potential application in many fields.In this review,we show the design principles,assembly mechanism,application and development of the photo-controlled supramolecular assemblies in topologically morphological regulation,drug delivery,smart materials and so on,which are constructed by host-guest interaction using azo modified cyclodextrin,bis-cyclodextrin bridged by azobenzene,crown ether derivatives,azo aromatic macrocyclic compounds as the hosts or azobenzene or azobenzene derivatives as guests.At the same time,we also discuss the opportunities and challenges of the development of such supramolecular assemblies,and hope to further promote the development of intelligent supramolecular assemblies.

关 键 词：偶氮类化合物 光刺激响应性 超分子自组装 主客体相互作用 

分 类 号：O641.3[理学—物理化学] O644.1[理学—化学]