ROTAXANES

作品数：23被引量：15H指数：2
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Multistate circularly polarized luminescence switches based on dual stimuli-responsive chiral[2]rotaxanes
《Science China Chemistry》2024年第12期4202-4211,共10页Wei-Tao Xu Xue Li Xiao-Qin Xu Xu-Qing Wang Hai-Bo Yang Wei Wang 
financial support sponsored by the National Natural Science Foundation of China(92356307);financial support sponsored by the National Natural Science Foundation of China(92056203);financial support sponsored by the National Natural Science Foundation of China(22201077);Shanghai Pilot Program for Basic Research(TQ20240205);Natural Science Foundation of Shanghai(23ZR1419600);Science and Technology Commission of Shanghai Municipality(21520710200);the National Key R&D Program of China(2021YFA1501600)。
Aiming at the construction of novel multistate circularly polarized luminescence(CPL)switches,dual stimuli-responsive chiral[2]rotaxanes towards anions and light have been designed and constructed.Through the light-co...
关键词：mechanically interlocked molecules Förster resonance energy transfer aggregation-induced emission arene SPIROPYRAN 
Fluorinated [2]rotaxanes as sensitive ^(19)F MRI agents: Threading for higher sensitivity
《Chinese Chemical Letters》2024年第10期379-382,共4页Lan Yang Yu Li Mou Jiang Rui Zhou Hengjiang Cong Minghui Yang Lei Zhang Shenhui Li Yunhuang Yang Maili Liu Xin Zhou Zhong-Xing Jjiang Shizhen Chen 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB0540000);the National Key R&D Program of China(No.2018YFA0704000);the National Natural Science Foundation of China(Nos.22327901,22077098,U21A20392,21921004,and 82127802);the Knowledge Innovation Program of WuhanBasic Research(No.2022020801010137);support from the Youth Innovation Promotion Association and the Young Top-notch Talent Cultivation Program。
As a promising imaging technology,the low sensitivity of fluorine-19 magnetic resonance imaging(^(19)F MRI)severely hinders its biomedical applications.Herein,we have developed an unprecedented rotaxanebased strategy ...
关键词：ROTAXANE ^(19)FMRI Imaging agent Mechanical bond Relaxation rate 
Sequence Engineering in Tuning the Circularly Polarized Luminescence of Aggregation-Induced Emission-Active Hetero[3]rotaxanes
《CCS Chemistry》2024年第10期2489-2501,共13页Zhiyong Peng Pei-Pei Jia Xu-Qing Wang Xiao-Li Zhao Hai-Bo Yang Wei Wang 
support by the National Natural Science Foundation of China(grant nos.92356307 and 22001073);the Natural Science Foundation of Shanghai(grant no.23ZR1419600);support by the National Natural Science Foundation of China(grant no.92056203);the Science and Technology Commission of Shanghai Municipality(grant no.21520710200);the National Key R&D Program of China(grant no.2021YFA1501600);support by the National Natural Science Foundation of China(grant no.22201077).
Based on a[2]rotaxane precursor with exchangeable pentafluorophenyl ester stoppers,a new wheelassembling approach has been successfully developed for the precise sequence control of hetero[3]rotaxanes,leading to the f...
关键词：mechanically interlocked molecules ROTAXANES sequence isomerism aggregationinduced emission circularly polarized luminescence 
Force-Triggered Guest Release from Mechanophore Incorporated Rotaxanes被引量：1
《CCS Chemistry》2023年第6期1365-1371,共7页Jinghui Yang Yan Xia 
This work was supported by the U.S.Army Research Office(grant no.W911NF-15-1-0525);J.Y.was partly supported by a Stanford Graduate Fellowship.Single-crystal X-ray diffraction experiments were performed at beamline 12.2.1 at the advanced light source(ALS).The ALS is supported by the Director,Office of Science,Office of Basic Energy Science,of the U.S.Department of Energy(contract no.DE-AC02-05CH11231).
We have developed a rotaxane-based mechanophore system that is capable of breaking a mechanical bond and releasing small molecules via force-triggered rotaxane disassembly.In this design,a cyclobutane mechanophore was...
关键词：MECHANOCHEMISTRY ROTAXANE mechanophore polymer release of molecules 
Lighting up rotaxanes with AIEgens被引量：2
《Chinese Chemical Letters》2023年第3期122-133,共12页Xiao-Qin Xu Xu-Qing Wang Wei Wang 
financial support sponsored by the National Natural Science Foundation of China(No.22001073);the Fundamental Research Funds for the Central Universities;the Research Fund Program of Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices(No.2020-GDKLFSHMD-07)。
Aiming at the construction of novel rotaxanes with desired luminescent properties for practical applications, recently the rapid development of rotaxanes decorated with aggregation-induced emission(AIE) luminogens(i.e...
关键词：Mechanically interlocked molecules Aggregation-induced emission Molecular shuttles F?rster resonance energy transfer Light harvesting AGGREGATE 
Sequence-sorted redox-switchable hetero[3]rotaxanes被引量：1
《Organic Chemistry Frontiers》2022年第1期64-74,共11页Marius Gaedke Henrik Hupatz Felix Witte Susanne M.Rupf Clara Douglas Hendrik V.Schröder Lukas Fischer Moritz Malischewski Beate Paulus Christoph A.Schalley 
funding from the Deutsche Forschungsgemeinschaft(DFG;project number 434455294);acknowledge the assistance of the Core Facility BioSupraMol supported by the DFG.Furthermore,F.W.and B.P.acknowledge the DFG for funding(PA 1360/16-1);the North-German Supercomputing Alliance(Norddeutscher Verbund für Hoch-und Höchstleistungsrechnen)for providing computational resources.
From a library of five crown ether macrocycles with different ring sizes and redox-active moieties,such as tetrathiafulvalene(TTF)and naphthalene dimiide(NDI),directional heterocircuit[3]rotaxanes were constructed.Usi...
关键词：PROPERTIES redox SEQUENCE 
Construction and investigation of photo-switch property of azobenzene-bridged pillar[5]arene-based[3]rotaxanes
《Chinese Chemical Letters》2021年第1期57-61,共5页Hui Chong Cuiyun Nie Lihong Wang Sicong Wang Ying Han Yang Wang Chengyin Wang Chaoguo Yan 
supported by the National Natural Science Foundation of China(Nos.21372192,21871227);the Natural Science Foundation of Jiangsu Province(No.BK20190905);the Priority Academic Program Development of Jiangsu Higher Education Institutions。
Series of azobenzene-bridged pillar[5]arene-based [3]rotaxanes with different alkyl chain length of guest molecules were constructed by threading-endcapping method with alkylenetriazole as axile and tetrahydrochromene...
关键词：arene Rotaxane AZOBENZENE Supramolecule Photo-switch 
Unveiling the Hidden Movements in the Shuttling of Rotaxanes被引量：1
《Chemical Research in Chinese Universities》2020年第5期748-754,共7页GUO Yichang FU Haohao SHAO Xueguang CAI Wensheng 
Supported by the National Natural Science Foundation of China(No.21773125);the Fundamental Research Funds for the Central Universities,China(No.63191743);the Natural Science Foundation of Tianjin,China(No.18JCYBJC2O5OO);the China Postdoctoral Science Foundation(No.bs6619012).
Movements in molecular machines are usually diverse and coupled,but some of them are often implicit and hard to be observed in experiments.In the present work,the two-or three-dimensional free-energy landscapes charac...
关键词：ROTAXANE Molecular machine Molecular movement Free-eiiergy landscape 
Pillar[5]arene-based [3]rotaxanes: Convenient construction via multicomponent reaction and pH responsive self-assembly in water被引量：1
《Chinese Chemical Letters》2020年第6期1550-1553,共4页Junmei Ye Runmiao Zhan Wenjuan Yang Ying Han Hao Guo Ju Xie Chaoguo Yan Yong Yao 
supported by the National Natural Science Foundation of China(Nos.21871227,21801139);Natural Science Foundation of Jiangsu Province(No.BK20180942);Natural Science Foundation of Nantong University for High-Level Talent(No.03083004)。
Four pillar[5]arene based[3]rotaxanes(1-4)involving two 1,4-diethoxypillar[5]arene(DEP5)rings and a dumbbell-shaped component were successfully synthesized.The dumbbell-shape molecules contain one longer bridge,two tr...
关键词：arene Rotaxane Multicomponent reaction Molecular machine SELF-ASSEMBLY 
Synthesis and characterization of bis-[1]rotaxanes via salen-bridged bis-pillar[5]arenes被引量：1
《Chinese Chemical Letters》2020年第3期725-728,共4页Ying Han Cui-Yun Nie Shuo Jiang Jing Sun Chao-Guo Yan 
financial support by the National Natural Science Foundation of China(Nos.21372192,21871227);the Priority Academic Program Development of Jiangsu Higher Education Institutions。
The series of salen-bridged bis-pillar[1]arenes were conveniently prepared by condensation reaction of5,5'-methylenebis(2-hydroxybenzalde hyde)or 5,5'-(propane-2,2-diyl)bis(2-hydroxybenzaldehyde)with mono-amido-functi...
关键词：arene Salen ROTAXANE rotaxane Interlocked molecule 
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