Donor-Acceptor Styrylisoxazoles: Solvatochromism and Large First Hyperpolarizability

被引：1
|
作者：
Katla, Jagadish [2 ]
Hazra, Bidhan [1 ]
Verma, Mrigank Singh [1 ]
Palakollu, Veerabhadraiah [2 ]
Nagaraju, S. [3 ]
Chandra, Manabendra [1 ]
Kanvah, Sriram [2 ]
机构：
[1] Indian Inst Technol Kanpur, Dept Chem, Kanpur 208016, Uttar Pradesh, India
[2] Indian Inst Technol Gandhinagar, Dept Chem, Palaj 382355, Gandhinagar, India
[3] Natl Inst Technol, Dept Chem, Warangal 506004, Andhra Pradesh, India
来源：
CHEMISTRYSELECT | 2018年 / 3卷 / 25期
关键词：
Hyperpolarizability; Heterocyclics; Isoxazoles; Non-linear optical properties; SHG; INTRAMOLECULAR CHARGE-TRANSFER; NONLINEAR-OPTICAL RESPONSES; HYPER-RAYLEIGH SCATTERING; ELECTRON-TRANSFER; FLUORESCENCE; MOLECULES; STILBENE; CHROMOPHORES; MECHANISMS; THIOPHENES;
D O I：
10.1002/slct.201800968
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present work describes the synthesis and linear as well as nonlinear optical studies of donor-acceptor based styrylisoxazoles. Six styrylisoxazoles were synthesized, and examination of their photophysical properties reveals strong solvent polarity sensitivity due to intramolecular charge transfer characteristics. Most interestingly, we have measured large first hyperpolariz-ability (beta) values for these styrylisoxazoles. The largest beta value calculated was for the compound that bears the dimethylamine group as the donating moiety. Our current results suggest that a careful selection of the donor and acceptor groups can potentially lead to unprecedented enhancement of the (beta) values of isoxazole derivatives.
引用
收藏
页码：7416 / 7421
页数：6
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