The synthesis and photoluminescence characteristics of novel α,β-diarylacrylonitrile derivatives containing both a biphenyl group and a triphenylamine unit
The synthesis and photoluminescence characteristics of novel α,β-diarylacrylonitrile derivatives containing both a biphenyl group and a triphenylamine unit
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DOI：
10.1016/j.dyepig.2010.07.010
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发表时间：
2011-03
影响因子：
4.5
通讯作者：
Bao Li;Q. Li;Bin Liu;Youfeng Yue;Mingxin Yu
中科院分区：
文献类型：
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作者：
Bao Li;Q. Li;Bin Liu;Youfeng Yue;Mingxin Yu
以4-二苯基氨基苯甲醛和2-（4-溴苯基）乙腈为原料，碱催化缩合制备了2-（4-溴苯基）-3-（4-二苯基）丙烯腈。以2-（4-溴苯基）-3-（4-二苯基）丙烯腈和硼酸为原料，通过Suzuki反应合成了一系列含有联苯和三苯胺的α，β-二苯基丙烯腈衍生物。采用FTIR、1H NMR、13C NMR、MS和元素分析对化合物的结构进行了表征。研究了这些衍生物的紫外-可见吸收光谱和光致发光光谱。这些化合物在ch2cl2溶液和固体紫外照射下发出绿色荧光，最大发射峰在500-550 nm之间。分析表明，该化合物具有良好的热稳定性，分解温度范围为279-386℃。
2-(4-Bromophenyl)-3-(4-diphenylaminophenyl)acrylonitrile was prepared by the base catalysed condensation of 4-diphenylaminobenzaldehyde and 2-(4-bromophenyl)acetonitrile. A series of α,β-diarylacrylonitrile derivatives containing both a biphenyl group and a triphenylamine unit were synthesized from 2-(4-bromophenyl)-3-(4-diphenylaminophenyl)acrylonitrile and boronic acids via a Suzuki reaction. The structures of these compounds were characterized using FTIR,1H NMR,13C NMR, MS and elemental analysis. The UV–vis absorption and photoluminescent spectra of these derivatives were investigated. These compounds emit green fluorescence with maximum emission peaks of 500–550 nm in CH2Cl2solution and in the solid state under UV irradiation. Analysis revealed good thermal stability with a decomposition temperature ranging from 279–386 °C.