首页> 外文OA文献 >Design and Synthesis of Mixed Oligomers with Thiophenes, Dithienothiophene S,S-Dioxides, Thieno[3,4]pyrazines and 2,1,3-Benzothiadiazoles: Flipper Screening for Mechanosensitive Systems
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Design and Synthesis of Mixed Oligomers with Thiophenes, Dithienothiophene S,S-Dioxides, Thieno[3,4]pyrazines and 2,1,3-Benzothiadiazoles: Flipper Screening for Mechanosensitive Systems

机译:噻吩,二噻吩并噻吩 S S -二氧化物,噻吩并[3,4]吡嗪和2,1,3-苯并噻二唑的混合低聚物的设计与合成:对机械敏感的翻转筛系统篇

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摘要

Monomers with large surface area and high quantum yield, that is fluorescent flippers, have been engineered into twisted push–pull oligomers to create membrane probes with high mechanosensitivity and long fluorescence lifetime. Here, the synthesis and characterization of thieno[3,4]pyrazines and 2,1,3-benzothiadiazoles are described in comparison with the original dithienothiophene S,S-dioxides. Dithienothiophene S,S-dioxide flippers are confirmed as the best reported so far, and poor results with single flipper probes support that two flippers are needed for the probe to really “swim”, that is, for high mechanosensitivity.
机译:具有大表面积和高量子产率的单体,即荧光鳍状肢,已被工程化为扭曲的推挽式低聚物,以产生具有高机械敏感性和长荧光寿命的膜探针。在这里,与原始的二噻吩并噻吩S,S-二氧化物比较,描述了噻吩并[3,4]吡嗪和2,1,3-苯并噻二唑的合成和表征。二硫代噻吩S,S-二氧化物鳍状肢是迄今为止报道得最好的,而单个鳍状肢探针的较差结果支持探针需要两个鳍状肢才能真正“游动”,即具有较高的机械敏感性。

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