Synthesis of New Blue Pyrazoline Fluorescent Compounds and Study of Infrared Spectroscopy
XIAN Yuan-fang1,LI Dong-feng2,WANG Yu-ming1
1. School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China 2. School of Biological Engineering, Changchun University of Technology, Changchun 130012, China
Abstract：According to Schellhammer theory of the relation between chemical structure and fluorescent quality, and referring to the synthesized benzothiazolyl pyrazoline compounds, the authors designed 1-benzimidazolyl or 1-benzothiazolyl, 3-phenylic derivatives, which posses fluorescent property. The authors introduced 5-phenyl as auxochrome group which can make fluorescence spectrum bathochromic. If there were —NH2 in the benzene ring, the fluorescence would be increased. Two kinds of benzimidazolyl and benzothiazolyl compounds with —NH2 were synthesized which were not reported. The determination of fluorescence proved that its fluorescence strength is better. The fluorescence emission wavelength is in the region of green-blue light, and there are two kinds of blue light fluorescence compounds. All these compounds were characterized by elemental analysis and infrared spectroscopy. The characteristic peaks of the absorption spectra of these compounds were found by IR spectral analysis. The compound structure was determined.
冼远芳1,李东风2,王宇明1. 新型蓝光吡唑啉荧光化合物的合成与红外光谱研究[J]. 光谱学与光谱分析, 2008, 28(07): 1617-1620.
XIAN Yuan-fang1,LI Dong-feng2,WANG Yu-ming1. Synthesis of New Blue Pyrazoline Fluorescent Compounds and Study of Infrared Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(07): 1617-1620.
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