2,6-Bis(arylsulfonyl)anilines as Fluorescent Scaffolds through Intramolecular Hydrogen Bonds: Solid-State Fluorescence Materials and Turn-On-Type Probes Based on Aggregation-Induced Emission
作者:Teruo Beppu、So Kawata、Naoya Aizawa、Yong-Jin Pu、Yasuyuki Abe、Yoshihiro Ohba、Hiroshi Katagiri
DOI:10.1002/cplu.201300428
日期:2014.4
A series of 2,6-bis[aryl(alkyl)sulfonyl]anilines were synthesized by nucleophilic aromatic substitution of 2,6-dichloronitrobenzene with various aryl or alkyl thiolates (benzyl-, phenyl-, 2-naphthyl-, and 2-aminophenyl thiolate), followed by hydrogenation and subsequent oxidation. All prepared 2,6-bis[aryl-(alkyl)sulfonyl]anilines showed high fluorescence emissions in the solid state; X-ray structures
通过用各种芳基或烷基硫醇盐(苄基,苯基,2-萘基和2-氨基苯基)对2,6-二氯硝基苯进行亲核芳族取代,合成了一系列2,6-双[芳基(烷基)磺酰基]苯胺硫醇盐),然后氢化并随后氧化。所有制备的2,6-双[芳基-(烷基)磺酰基]苯胺在固态下均显示出高荧光发射;结果表明,该化合物具有较高的发光强度。X射线结构揭示了明确定义的分子内氢键,该键可固定可旋转的氨基并在提高光稳定性的同时产生荧光增强作用。此外,吸收光谱和荧光光谱显示出红移的顺序为苄基