(E)-2-［2-(4-甲氧基苯基)乙烯基］-8-乙酰氧基喹啉的合成、谱学表征及其荧光性能

Synthesis,Characterization and Fluorescent Properties of(E)-2[2-(4-Methoxyphenyl)ethenyl]-8-acetoxyquinoline

通过8-羟基喹哪啶和4-甲氧基苯甲醛的缩合反应合成了一种新的化合物((E)-2-[2-(4-甲氧基苯基)乙烯基]-8-乙酰氧基喹啉,化合物1),并通过NMR、LC-MS和元素分析表征其结构;利用X-射线单晶衍射仪测定了该化合物的晶体结构,目标分子属于单斜晶系,C2/c空间群,晶胞参数为a=16.375(10),b=19.476(12),c=10.571(6);V=3371(3)3,Z=8,Dc=1.258 mg/m3,最终R1=0.060 8,wR2=0.1471。基于多种分子间氢键和π…π堆积作用,分子在固相中堆积成三维超分子结构。文中还对化合物1的荧光性能进行了研究。

A novel compound（（E）-2-［2-（4-methoxyphenyl）ethenyl］-8-acetoxyquinoline,compound 1） was prepared by the condensation of 8-hydroxyquinaldine with 4-methoxybenzaldehyde,and characterized by NMR,LC-MS and EA spectra.The crystal structure of the targeted compound was determined by X-ray single crystal diffraction.It belongs to monoclinic system with space group C2/c,a=16.375（10）？,b=19.476（12）？,c=10.571（6）？;V=3371（3）？ 3，Z=8,Dc=1.258 mg /m3,R1=0.060 8,wR2=0.147 1.Based on hydrogen bonding and π…π stacking interactions,3D supramolecular structure in compound 1 was fabricated.Additionally,the fluorescent properties of the targeted compound was investigated.