Liquid crystal behavior of Ag(I) complexes based on a series of mesogenic 1,3,4-thiadiazole ligands
作者:Ivan Hameed R. Tomi、Ahmed Jasim M. Al-Karawi、Al-Ameen Bariz OmarAli、Dhafir T. A. Al- Heetimi
DOI:10.1080/15421406.2020.1860624
日期:2021.6.13
their silver(I) complexes: bis(2-(4-alkoxyphenyl)-5-(p-tolyl)-1,3,4-thiadiazole)-silver(I) complexes (alkoxy: O(CH2)nH, n = 1–8) (7a–h) were prepared and characterized with different techniques: microelemental analysis, FTIR, UV–Vis, 1H NMR, 13C NMR and mass (for the organic compounds) spectra, in addition to the molar conductivity measurements (for Ag(I) complexes). Liquid crystal behavior of the
摘要 2-(4-烷氧基苯基)-5-(对甲苯基)-1,3,4-噻二唑(烷氧基:O(CH 2 ) n H,n = 1–8) ( 6a–h )(作为一系列1,3,4-噻二唑衍生物)及其银(I)配合物:双(2-(4-烷氧基苯基)-5-(对甲苯基)-1,3,4-噻二唑)-银(I)配合物(烷氧基:O(CH 2 ) n H, n = 1–8) ( 7a–h ) 用不同的技术制备和表征:微量元素分析、FTIR、UV-Vis、1 H NMR、13C NMR 和质量(对于有机化合物)光谱,以及摩尔电导率测量(对于 Ag(I)配合物)。使用偏光光学显微镜 (POM) 评估这两个系列化合物的液晶行为。研究表明,这两个系列都是具有不同行为和特性的对映液晶材料(表现出广泛的介晶温度范围)。6a-f在加热和冷却时仅显示向列中间相,而6g和6h在加热和冷却时同时显示 SmC 和向列中间相。络合 1,3,4-噻二唑 (