Synthesis of Styrylpyrimidine and Its Spectral Characteristic as a pH Probe

doi:10.3724/SP.J.1095.2012.00578

Chinese Journal of Applied Chemistry

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Synthesis of Styrylpyrimidine and Its Spectral Characteristic as a pH Probe

XIONG Xiaoqin^*, ZHAI Qiuge, XUE Lingfen, ZHENG Fei, XIE Xu

(Department of Chemistry,Xinyang Normal University,Xinyang 464000,China)

Received:2011-12-30 Revised:2012-03-19 Published:2012-11-10 Online:2012-11-10
Contact: xiong

Abstract

Abstract: 4,6-Bis[(4′-diethylamino) styryl] pyrimidin-2-ol was synthesized and characterized. The UV-Vis and fluorescent properties were studied in phosphate buffer solutions at different pH value. The UV-Vis spectral results indicated that the peak located at ~500 nm reaches maximal intensity at pH=6.78. The fluorescent spectra data suggested that the intensity of emission peak decreased with increasing pH value. The fluorescence was quenched when the pH was 5.51.

Key words: styrylpyrimidine, pH probe, absorption spectrum, fluorescence spectrum

CLC Number:

O656

XIONG Xiaoqin*, ZHAI Qiuge, XUE Lingfen, ZHENG Fei, XIE Xu. Synthesis of Styrylpyrimidine and Its Spectral Characteristic as a pH Probe[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2012.00578.

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Synthesis of Styrylpyrimidine and Its Spectral Characteristic as a pH Probe

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