四种三联噻吩基查尔酮衍生物异构体的合成与性质  

Synthesis and Properties of Four Isomers of Trithiophenyl Chalcone Derivatives

作　　者：石玉芳[1] 王迎进[1] 孙金鱼[1] 赵明根[1] SHI Yufang;WANG Yingjin;SUN Jinyu;ZHAO Minggen(Key Laboratory of Materials and Computational Chemistry,Department of Chemistry,Xin Zhou Teachers University,Xinzhou034000,China)

机构地区：[1]忻州师范学院化学系山西省材料与计算化学重点实验室,山西忻州034000

出　　处：《山西大学学报（自然科学版）》2022年第4期1075-1081,共7页Journal of Shanxi University(Natural Science Edition)

基　　金：山西省“1331工程”优势特色学科资助项目(2018122)。

摘　　要：合成了四种三联噻吩基查尔酮衍生物3a-3d,它们属于同分异构体,含有多芳环大π电子共轭体系结构,有着较大的共轭效应;线性光学性质表明,3b既有最大的紫外吸收波长,又有较大的荧光强度;DSC/TG曲线显示,3a-3d失重都在100℃以上才有所表现,对热稳定性良好;理论计算结果表明,电荷转移均可在3a-3d分子内发生,其中3b表现最好,极化率最大,预示着具有良好的非线性光学性能。Four isomers of trithiophenyl chalcone derivatives 3a-3d were synthesized,which contain multi-aromatic ring largeπelectron conjugation architecture and have large conjugation effect.The linear optical properties show that 3b has both the maximum UV absorption wavelength and high fluorescence intensity.The DSC/TG curves showed that the weightlessness shown above100℃from 3a to 3d,which have good thermal stability.The theoretical calculation results showed that charge transfer can occur within molecules,in which 3b had the best performance and the highest polarizability,indicating a good nonlinear optics performance.

关 键 词：三联噻吩 查尔酮衍生物 理论计算 合成 

分 类 号：O626.12[理学—有机化学]