Journal ArticleDOI
Click Polymerization: Progresses, Challenges, and Opportunities
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TLDR
A brief account of the research efforts devoted to the development of click reaction into a new polymerization process is given in this article, where the existing limitations and challenges as well as the promising opportunities and directions in fostering the click polymerization into a versatile tool for the construction of new macromolecules with well-defined structures and multifaceted functionalities.Abstract:
Chemical transformations of small molecules have served as a rich source of reactions for the development of new polymerization processes, and “click” reaction has the potential to become a powerful polymerization technique. We herein give a brief account of the research efforts devoted to the development of click reaction into a new polymerization process. Remarkable progresses have been made in recent years in the exploration of metal-mediated and metal-free click polymerization systems and in the syntheses of linear and hyperbranched polytriazoles with regioregular molecular structures and advanced functional properties. We also discuss the existing limitations and challenges as well as the promising opportunities and directions in fostering the click polymerization into a versatile tool for the construction of new macromolecules with well-defined structures and multifaceted functionalities.read more
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Journal ArticleDOI
AIE macromolecules: syntheses, structures and functionalities
TL;DR: It is expected that the mechanistic insights into the AIE phenomena, based on the restriction of intramolecular motions and structure rigidification, can guide the future design of AIE materials with fascinating structures and functionalities.
Journal ArticleDOI
Click Synthesis, Aggregation-Induced Emission, E/Z Isomerization, Self-Organization, and Multiple Chromisms of Pure Stereoisomers of a Tetraphenylethene-Cored Luminogen
TL;DR: In this work, pure stereoisomers of a TPE derivative named 1,2-bis{4-[1-(6-phenoxyhexyl)-4-(1,2,3-triazol)yl]phenyl}-1, 2-diphenylethene (BPHTATPE) are successfully synthesized and both isomers show remarkable AIE effect and high fluorescence quantum yield in the solid state.
Journal ArticleDOI
Luminogenic polymers with aggregation-induced emission characteristics
TL;DR: Aggregation-induced emission (AIE) is a newly developed phenomenon that is exactly opposite to the aggregation-caused emission quenching effect observed with some conventional luminophores as discussed by the authors.
Journal ArticleDOI
Long-term fluorescent cellular tracing by the aggregates of AIE bioconjugates.
Zhengke Wang,Sijie Chen,Jacky Wing Yip Lam,Wei Qin,Ryan T. K. Kwok,Ni Xie,Qiaoling Hu,Ben Zhong Tang,Ben Zhong Tang +8 more
TL;DR: A new type of fluorescence "turn-on" probe for tracing live cells over a long period of time by attaching a large number of tetraphenylethene labels to a chitosan (CS) chain that shows a unique aggregation-induced emission (AIE) behavior.
Journal ArticleDOI
Hyperbranched polytriazoles with high molecular compressibility: aggregation-induced emission and superamplified explosive detection
Jian Wang,Ju Mei,Wang Zhang Yuan,Ping Lu,Anjun Qin,Jing Zhi Sun,Yuguang Ma,Ben Zhong Tang,Ben Zhong Tang +8 more
TL;DR: In this paper, a spring-like polytriazoles with aggregation-induced emission (AIE) was used to detect explosives with super-amplification effect, where the polymer nanoaggregates can detect explosives.
References
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Journal ArticleDOI
A stepwise huisgen cycloaddition process: copper(I)-catalyzed regioselective "ligation" of azides and terminal alkynes.
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Click Chemistry: Diverse Chemical Function from a Few Good Reactions.
TL;DR: In this paper, a set of powerful, highly reliable, and selective reactions for the rapid synthesis of useful new compounds and combinatorial libraries through heteroatom links (C-X-C), an approach called click chemistry is defined, enabled, and constrained by a handful of nearly perfect "springloaded" reactions.
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Peptidotriazoles on solid phase: [1,2,3]-triazoles by regiospecific copper(i)-catalyzed 1,3-dipolar cycloadditions of terminal alkynes to azides.
TL;DR: A novel regiospecific copper(I)-catalyzed 1,3-dipolar cycloaddition of terminal alkynes to azides on solid-phase is reported, and the X-ray structure of 2-azido-2-methylpropanoic acid has been solved, to yield structural information on the 1, 3-dipoles entering the reaction.
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Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole
Jingdong Luo,Zhiliang Xie,Jacky W. Y. Lam,Lin Cheng,Haiying Chen,Chengfeng Qiu,Hoi Sing Kwok,Xiaowei Zhan,Yunqi Liu,Daoben Zhu,Ben Zhong Tang +10 more
TL;DR: Aggregation greatly boosts emission efficiency of the silole, turning it from a weak luminophor into a strong emitter.
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Cu-catalyzed azide-alkyne cycloaddition.
TL;DR: The basis for the unique properties and rate enhancement for triazole formation under Cu(1) catalysis should be found in the high ∆G of the reaction in combination with the low character of polarity of the dipole of the noncatalyzed thermal reaction, which leads to a considerable activation barrier.