Synthesis and Optical Properties of Trioxatriangulenium Dyes with One and Two Peripheral Amino Substituents
作者:Thomas J. Sørensen、Bo W. Laursen
DOI:10.1021/jo1009917
日期:2010.9.17
dye systems, with one or two dialkylamino donor groups attached to resonant positions at the periphery of a trioxatriangulenium ion, were synthesized. The mono- and bis-dialkylamino trioxatriangulenium salts (A1-TOTA+ and A2-TOTA+) were prepared from methoxy-substituted triphenylmethylium (TPM) compounds by aromatic nucleophilic substitution with secondary amines and subsequent intramolecular ring
Acridine-based fluorophores with improved lightfastness properties
作者:Zubair Khalid Baig Moghal、Ramalingam Manivannan、Young-A Son
DOI:10.1016/j.dyepig.2021.109924
日期:2022.1
properties in solution form when compared to commercially available acridine orange. pH-dependent studies were also carried out to observe the behavior of cationic dyes in a wide range of pH to optimize pH for dyeing. The presence of extended conjugation at the 9th position and additional four methoxy groups resulted in highly fluorescent dyes with excellent quantum yield. The steric interactions, higher
Highly visible bis-heterocyclic acridinium and xanthenium-based dyes: Synthesis, AIEE, and modacrylic dyeing
作者:Moghal Zubair Khalid Baig、Hyeon Oh、Young-A Son
DOI:10.1016/j.dyepig.2022.110159
日期:2022.4
emission, they were used in high visible modacrylic fabric dyeing for protective wear. The dyed fabrics were investigated for color coordinates and color strengths. The dyeing studies were compared with acridine orange and rhodamine B commercial standards. The lightfastness of compounds 3e and 4e were investigated with respect to commercial acridine orange and rhodamine B.
合成了一系列高度可见的新型双杂环吖啶和呫鎓染料,并用1 H、13C NMR和HRMS光谱。这些染料显示出优异的摩尔衰减系数和荧光量子产率。所有吖啶鎓和呫鎓基化合物都是聚集诱导增强发射 (AIEE) 活性荧光团。吖啶鎓和呫鎓基化合物的第 9 位自由旋转芳基的旋转受限是 AIEE 活性的原因之一。这种现象得到了粘致变色研究的支持。这些化合物在不同的 pH 值下显示出优异的荧光,扩大了其在生物成像中的使用范围。具有值得称道的色彩亮度、摩尔吸收率、反射率和发射率,它们被用于高可见度改性腈纶织物染色,用于防护服。研究染色织物的颜色坐标和颜色强度。将染色研究与吖啶橙和罗丹明 B 商业标准进行了比较。化合物的耐光性对商业吖啶橙和罗丹明 B 研究了3e和4e 。