Issue 22, 2015
From the journal:

RSC Advances

Synthesis of mono-(p-dimethylamino)styryl-containing BOPHY dye for a turn-on pH sensor†

Xin-Dong Jiang,*a   Yajun Su,a   Shuai Yue,a   Chen Li,a   Haifeng Yu,a   Han Zhang,b   Chang-Liang Sunc  and  Lin-Jiu Xiaoa  

* Corresponding authors

a College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang, China
E-mail: xdjiang@syuct.edu.cn
Tel: +86 024 89387219

b School of Materials Science and Chemical Engineering, Tianjin University of Science & Technology, Tianjin, China

c Center of Physical and Chemistry Test, Shenyang University of Chemical Technology, Shenyang 110142, China

Abstract

Mono-substitutional bis(difluoroboron)1,2-bis((1H-pyrrol-2-yl)methylene)hydrazine (BOPHY) 3a with a (p-dimethylamino)styryl group in the α-position was confirmed to be synthesized by the Knoevenagel-type condensation. Dimethylamino-containing BOPHY dye 3a is almost non-fluorescent by the ICT effect. Upon the protonation of the tertiary amine function of 3a, the strong fluorescence (Φf = 0.98) was released and the fluorescence intensity was dramatically increased by one thousand fold. BOPHY 3a can be used as a pH probe.

Graphical abstract: Synthesis of mono-(p-dimethylamino)styryl-containing BOPHY dye for a turn-on pH sensor

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Article information

DOI
https://doi.org/10.1039/C4RA15914D
Article type
Paper
Submitted
07 Dec 2014
Accepted
27 Jan 2015
First published
29 Jan 2015

RSC Adv., 2015,5, 16735-16739

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Synthesis of mono-(p-dimethylamino)styryl-containing BOPHY dye for a turn-on pH sensor

X. Jiang, Y. Su, S. Yue, C. Li, H. Yu, H. Zhang, C. Sun and L. Xiao, RSC Adv., 2015, 5, 16735 DOI: 10.1039/C4RA15914D

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