文献类型：期刊文献

英文题名：A bis-spiropyran-containing multi-state [2]rotaxane with fluorescence output

作者：Zhou, Wei;Zhang, Hui;Li, Hong;Zhang, Yu;Wang, Qiao-Chun;Qu, Da-Hui[1]

机构：[1]E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China; E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

年份：2013

卷号：69

期号：26

起止页码：5319

外文期刊名：TETRAHEDRON

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000320295000008)】；

基金：We thank the NSFC/China (21272073 and 21190033), the National Basic Research 973 Program (2011CB808400), the Foundation for the Author of National Excellent Doctoral Dissertation of China (200957), the Fok Ying Tong Education Foundation (121069), the Fundamental Research Funds for the Central Universities, the Innovation Program of Shanghai Municipal Education Commission, and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry for financial support.

语种：英文

外文关键词：Spiropyran; Rotaxane; Fluorescence; Supramolecular chemistry

摘要：In this paper, a bis-spiropyran-functionalized [2]rotaxane with a 4-morpholin-naphthalimide fluorophore as stopper was designed, synthesized, and studied. The macrocycle can shuttle reversibly in response to external acid-base stimuli and the spiropyran functional group can be switched to its ring-opened merocyanine (MC) state. It has been shown that, by introducing two spiropyran units into the system, intercomponent interactions, such as electron transfer and energy transfer processes, between the SP or MC functional units and the fluorophore, can be altered in response to the combination of acid base and photochemical stimuli, which can generate obvious UV/vis absorption and fluorescence spectral changes. (C) 2013 Elsevier Ltd. All rights reserved.