Zhang Hui, Tong Hao, Zhao Yuling, Yu Tianzhi, Zhang Peng, Li Jianfeng, Fan Duowang
Key Laboratory of Opto-Electronic Technology and Intelligent Control (Ministry of Education), Lanzhou Jiaotong University, 88 West Anning Road, Lanzhou 730070, China.
School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
Spectrochim Acta A Mol Biomol Spectrosc. 2015 Nov 5;150:316-20. doi: 10.1016/j.saa.2015.05.058. Epub 2015 May 29.
Two new anthracen- and pyrene-based coumarin derivatives, 3-(4-(anthracen-10-yl)phenyl)coumarin (4) and 3-(4-(pyrene-1-yl)phenyl)coumarin (5), were synthesized and characterized by FT-IR, (1)H NMR, element analysis and single crystal X-ray crystallography. The UV-vis absorption and photoluminescence spectra of these coumarin derivatives were investigated. The results show that compound 4 and 5 exhibit blue and blue-green emissions, respectively, under ultraviolet light excitation. Compared with the compound 4, the emission peak of compound 5 was bathochromically shifted by about 80 nm due to the more planar structure and larger π-conjugation.
合成了两种新型的基于蒽和芘的香豆素衍生物,即3-(4-(蒽-10-基)苯基)香豆素(4)和3-(4-(芘-1-基)苯基)香豆素(5),并通过傅里叶变换红外光谱(FT-IR)、核磁共振氢谱((1)H NMR)、元素分析和单晶X射线晶体学对其进行了表征。研究了这些香豆素衍生物的紫外可见吸收光谱和光致发光光谱。结果表明,化合物4和5在紫外光激发下分别呈现蓝色和蓝绿色发射。与化合物4相比,化合物5的发射峰由于其更平面的结构和更大的π共轭而发生了约80 nm的红移。