Synthesis of mono-(p-dimethylamino)styryl-containing BOPHY dye for a turn-on pH sensor
作者： Xin-Dong Jiang , Yajun Su , Shuai Yue , Chen Li , Haifeng Yu
DOI: 10.1039/C4RA15914D
关键词:
摘要: 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 Knoevenagel-type condensation. Dimethylamino-containing BOPHY dye is almost non-fluorescent ICT effect. Upon protonation of tertiary amine function 3a, strong fluorescence (Φf = 0.98) released and intensity dramatically increased one thousand fold. can used as pH probe.
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