- Reduction of 1-chloro-1,2,3,4,5-pentaphenylsilole: Formation of silole monoanion and dianion
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The reduction of 1-chloro-1,2,3,4,5-pentaphenylsilole, (C4Ph4SiPhCl, 1) with 2 equiv lithium gave the pentaphenylsilole anion [C4Ph4SiPh]- (2), silole dianion [C4Ph4Si]2-/s
- Sohn, Honglae
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- Electrochemiluminescence Platforms Based on Small Water-Insoluble Organic Molecules for Ultrasensitive Aqueous-Phase Detection
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Highly efficient detection in the aqueous phase for water-insoluble organic molecule probes is challenging. The bright aggregated-state electrochemiluminescence (ECL) of 1,1-disubstituted 2,3,4,5-tetraphenylsiloles by a co-reactant approach was discovered
- Han, Zhengang,Yang, Zhaofan,Sun, Heshui,Xu, Yali,Ma, Xiaofang,Shan, Duoliang,Chen, Jing,Huo, Shuhui,Zhang, Zhen,Du, Peiyao,Lu, Xiaoquan
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supporting information
p. 5915 - 5919
(2019/04/03)
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- Blue-shifted aggregation-induced emission of siloles by simple structural modification and their application as nitro explosive chemosensors
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To induce blue-shifted emission of siloles, two tolyl-substituted derivatives-1,1-diphenyl-2,3,4,5-tetra(m-tolyl)-1H-silole (m-TS) and 1,1-diphenyl-2,3,4,5-tetra(o-tolyl)-1H-silole (o-TS)-were prepared, and their photophysical properties were compared with those of a reference compound, hexaphenylsilole (HPS). By substituting methyl groups at ortho positions of peripheral tetraphenyl rings on the silacyclopentadiene ring, intramolecular rotations could be successfully controlled and the photophysical properties were varied, while substituting methyl groups at meta positions showed similar photophysical properties compared with the case of HPS. That is, simple structural modification at the ortho position significantly affects the geometry and the photophysical properties of silole, which leads to blue-shifted emission. Finally, two tolyl-substituted siloles and HPS were employed as chemosensors for the detection of nitro explosives, and o-TS showed the highest sensing ability.
- Lee, Jiwon,Park, Yoona,Jung, Joori,Han, Won-Sik
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p. 1495 - 1501
(2017/10/19)
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- Enhanced emission efficiency and excited state lifetime due to restricted intramolecular motion in silole aggregates
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The aggregation-induced emission (AIE) properties of 1,1,2,3,4,5- hexaphenylsilole (HPS) and poly{11-[(1,2,3,4,5-pentaphenylsilolyl)oxy]-1-phenyl- 1-undecyne} (PS9PA) were studied by time-resolved fluorescence technique. The enhanced fluorescence and long
- Ren, Yan,Lam, Jackv W. Y.,Dong, Yongqiang,Tang, Ben Zhong,Wong, Kam Sing
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p. 1135 - 1140
(2007/10/03)
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- Efficient blue emission from siloles
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2,3,4,5-Tetraphenylsiloles with different 1,1-substituents on the ring silicon atoms, i.e., 1,1-dimethyl-2,3,4,5-tetraphenylsilole (1), 1-methyl-l-(3-chloropropyl)-2,3,4,5-tetraphenylsilole (2), 1-methyl-l,2,3,4,5-pentaphenylsilole (3) and hexaphenylsilol
- Tang,Zhan,Yu,Lee,Liu,Zhu
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p. 2974 - 2978
(2007/10/03)
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