Synthesis of blue emissive functionalized 9,9-disubstituted fluorene derivatives via BF3·OEt2 mediated reaction of co-planar 9-(phenylethynyl)-9H-fluoren-9-ols with isatin imines

2020 ◽  
Vol 44 (16) ◽  
pp. 6652-6660
Author(s):  
Mohanakumaran Athira ◽  
Ramakrishnan Suseela Meerakrishna ◽  
Ponnusamy Shanmugam
Keyword(s):  
Stokes Shift ◽  
Large Stokes Shift ◽  
Blue Region ◽  
Excellent Yield

A BF3·Et2O mediated reaction of co-planar 9-(phenylethynyl)-9H-fluoren-9-ol with various isatin imines afforded title compounds in excellent yield. The products showed luminescence in the blue region with large Stokes shift.

A novel near-infrared fluorescent probe based on isophorone for the bioassay of endogenous cysteine

2021 ◽  
Author(s):  
Hong-Bo Liu ◽  
Hai Xu ◽  
Xin Guo ◽  
Jian Xiao ◽  
Zheng-Hong Cai ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Fluorescent Probe ◽  
Near Infrared ◽  
Stokes Shift ◽  
Rapid Identification ◽  
Large Stokes Shift

A near-infrared (NIR) fluorescent probe with a large Stokes shift (143 nm) for the rapid identification of Cys over Hcy and GSH in aqueous solution was developed.

Spectra, stability and labeling of 1-(5-carboxypentyl)-4-(2-(N-ethyl-carbazole-3-yl) vinyl) pyridinium bromide with a large Stokes shift

Luminescence ◽  
2015 ◽  
Vol 31 (2) ◽  
pp. 380-387 ◽  
Author(s):  
Yingchun Gu ◽  
Dayong Lin ◽  
Ran Li ◽  
Yalin Tang ◽  
Xuening Fei ◽  
...  
Keyword(s):  
Stokes Shift ◽  
Pyridinium Bromide ◽  
Large Stokes Shift

An aqueous red emitting fluorescent fluoride sensing probe exhibiting a large Stokes shift and its application in cell imaging

2014 ◽  
Vol 50 (3) ◽  
pp. 320-322 ◽  
Author(s):  
Peng Hou ◽  
Song Chen ◽  
Hongbo Wang ◽  
Jianxiu Wang ◽  
Kislon Voitchovsky ◽  
...  
Keyword(s):  
Cell Imaging ◽  
Stokes Shift ◽  
Large Stokes Shift ◽  
Fluoride Sensing

A large Stokes shift probe based enhanced ICT strategy for Hg2+-detection in cancer cells and zebrafish

2021 ◽  
pp. 106551
Author(s):  
Xiangying Meng ◽  
Junbin Wang ◽  
Xin Li ◽  
Qi Sun ◽  
Qidong Tu ◽  
...  
Keyword(s):  
Cancer Cells ◽  
Stokes Shift ◽  
Large Stokes Shift
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