Efficient One-Pot Three-Component Synthesis of Monomethine Cyanine Dyes with Quinoline Nucleus and Their Spectral Properties
作者:Y.L. Fu、B.R. Zhang、S. Wang、X.X. Gao、L.Y. Wang
DOI:10.5012/bkcs.2013.34.2.489
日期:2013.2.20
An improved method for the preparation of monomethine cyanine dyes with quinoline nucleus by one-pot three-component using 1-methyl-2-quinolinethione, quaternized 2- or 4-methylheterocyclic compounds and methyl p-toluenesulfonate as starting materials was described. Compared with the traditional methods, the new synthetic method reduced the reaction steps, shortened the reaction time, avoided the separation
介绍了以1-甲基-2-喹啉硫酮、季铵化2-或4-甲基杂环化合物和对甲苯磺酸甲酯为起始原料的一锅三组分制备具有喹啉核的单甲炔花青染料的改进方法。与传统方法相比,新的合成方法减少了反应步骤,缩短了反应时间,避免了中间体的分离纯化,降低了成本。染料在478.0-563.0 nm范围内吸收,摩尔消光系数为1.3 × 10 4 -9 .4 × 10 4 L mol ×1 cm ×1 。它们在不同溶剂中的荧光最大值和斯托克斯位移分别在 525.2-594.4 nm 和 16.2-80.6 nm 范围内。从染料在不同溶剂中的光谱性质来看,