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题名: Dendritic [2]Rotaxanes: Synthesis, Characterization, and Properties
作者: Liu, Guoxing1; Li, Ziyong1; Wu, Di1; Xue, Wen1; Li, Tingting2; Liu, Sheng Hua1; Yie, Jun1
通讯作者: Liu, SH (reprint author), Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China.
刊名: JOURNAL OF ORGANIC CHEMISTRY
发表日期: 2014-01-17
DOI: 10.1021/jo402428y
卷: 79, 期:2, 页:643-652
收录类别: SCI ; IC
文章类型: Article
部门归属: [Liu, Guoxing; Li, Ziyong; Wu, Di; Xue, Wen; Liu, Sheng Hua; Yie, Jun] Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China; [Li, Tingting] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430079, Peoples R China
WOS标题词: Science & Technology ; Physical Sciences
资助者: National Natural Science Foundation of China [20931006, 21072070, 21272088]; Program for Academic Leader in Wuhan Municipality [201271130441]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Education; Natural Science Foundation of Hubei Province [2013CFB207]; Central China Normal University [CCNU13T04095]
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
摘要: A series of dendritic ammonium salts have been designed and synthesized. Subsequently, they were used to construct the corresponding [2]rotaxanes by a template-directed clipping approach. Unusually, two unsymmetrical dendritic [2]rotaxanes containing fluorophore (pyrene units) were also obtained; their optical properties, such as UV/vis absorption and fluorescence, were measured. The results indicate that these two rotaxanes possess stronger intermolecular interaction in the solid state than in solution. As a result, solutions of high concentration readily formed the excimer. These special rotaxanes might be applied in dynamic fluorescence-reponsive materials, and the rotaxane structure will also be used as a strategy to adjust the aggregated behaviors of fluorescent molecules.
英文摘要: A series of dendritic ammonium salts have been designed and synthesized. Subsequently, they were used to construct the corresponding [2]rotaxanes by a template-directed clipping approach. Unusually, two unsymmetrical dendritic [2]rotaxanes containing fluorophore (pyrene units) were also obtained; their optical properties, such as UV/vis absorption and fluorescence, were measured. The results indicate that these two rotaxanes possess stronger intermolecular interaction in the solid state than in solution. As a result, solutions of high concentration readily formed the excimer. These special rotaxanes might be applied in dynamic fluorescence-reponsive materials, and the rotaxane structure will also be used as a strategy to adjust the aggregated behaviors of fluorescent molecules.
关键词[WOS]: TEMPLATE-DIRECTED SYNTHESIS ; MECHANICALLY INTERLOCKED DENDRIMERS ; THERMODYNAMIC CONTROL ; MOLECULAR MACHINES ; BRANCHING MOTIFS ; CHEMISTRY ; FLUORESCENT ; POLYMERS ; DENDRONS ; COOPERATIVITY
语种: 英语
WOS记录号: WOS:000330099000017
ISSN号: 0022-3263
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20124
Appears in Collections:分析测试中心_期刊论文

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作者单位: 1.Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430079, Peoples R China
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