均三嗪类紫外吸收剂UV-400的合成及其性能

Synthesis and properties of new s-triazine ultraviolet absorber UV-400

为了合成一种新型均三嗪类紫外吸收剂,以三聚氯氰为原料,通过Friedel-Craft反应、缩合反应等制备了紫外线吸收剂UV-400,对关键步骤的反应条件进行优化,并对所合成的各化合物进行结构表征。结果表明:优化后的合成总收率为32.7%;合成的各化合物的^(1)H NMR、^(13)C NMR、IR、HRMS及LCMS谱图与各自的化学结构相符合;所合成的UV-400在250~380nm范围内有显著的紫外吸收性能,具备较好的应用前景。该紫外线吸收剂合成工艺操作简单,反应条件温和,分离简易,适合规模化生产。

In order to synthesize a new type of s-triazine ultraviolet absorber,an ultraviolet absorber UV-400was prepared,with cyanuric chloride as the raw material,through Friedel-Craft reaction and condensation reaction.The reaction conditions in the key steps were optimized,and the structures of the synthesized compounds were characterized.The results showed that after optimization,the total yield was 32.7%.The ^(1)H NMR,^(13)C NMR,IR,HRMS and LCMS spectra of the synthesized compounds were in good agreement with their respective chemical structures;The synthesized UV-400showed remarkable ultraviolet absorption performance in the range of 250to 380nm,and had a good application prospect.This synthesis process of UV-400had many advantages,such as easy-to-operate,mild reaction conditions and simple separation and it is suitable for large-scale production.