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两个苯并噻唑吡唑啉化合物的合成与光学性质比较 被引量:2

Synthesis of two benzothiazolyl pyrazolines and comparison of their photophysical properties
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摘要 两个基于苯并噻唑的吡唑啉衍生物3a和3b被合成,化合物3a的结构通过晶体衍射得到证实。紫外和荧光光谱检测了3a和3b在不同的溶剂中的的光学性质,结果显示,在不同溶剂和相同的条件下,由于共轭体系的增长,化合物3b的最大吸收和最大发射波长与3a相比发生明显红移,其荧光强度也明显增强,具有更好的发光性能。 Two benzothiazolyl pyrazolines(3a and 3b have been synthesized and the structure of 3a was confirmed by single crystal X-ray diffraction.Their photophysical properties were studied by absorption and fluorescence spectra.The result showed that the absorption and emission wavelength of compound 3b has obvious red-shift than that of compound 3a because of the increase of conjugated system in different solution at the same condition.Compound 3b has stronger fluorescence than compound 3a.
作者 胡景润 吴顺红 HU Jing-run;WU Shun-Hong(Huangshi No 3 middle school third,Huangshi 435001,China)
出处 《湖北师范大学学报(自然科学版)》 2018年第1期59-62,共4页 Journal of Hubei Normal University:Natural Science
关键词 苯并噻唑 吡唑啉 荧光 pyrazoline benzothiazol fluorescence
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