新型防伪有机荧光剂2-[5-溴-(2-对甲苯磺酰氨基)苯基]-6-溴-4-(3H)-喹唑啉酮的合成及其性质研究

Research on synthesis and properties of a new organic falsificationresistant fluorescent reagent 2-[5-bromo-(2-toluenesulfonamino) benzoyl]-6bromo-4-(3-H)quinazolinone

报道了２－［５－溴－（２－对甲苯磺酰氨基）苯基］－６－溴－４－（３Ｈ）－喹唑啉酮的合成。对其结构及性质进行了鉴定和研究，给出它的一系列光物理参数。实验表明，它具有较好的稳定性，耐酸、碱性，是一种荧光强度高激发时可见光新颖清晰而具有持久性的防伪荧光剂。

In this paper,the synthesis of 2-[5-bromo-(2-toluenesulfonamino) benzoyl]-6-bromo-(3-H)quinazolinone is reportedThe structure has been confirmed by various meansIts properties were studied,and a series of light parameters were measuredThe results showed that stability to light,resistance to alkali and acid were satisfactoryThe substance exhibited good fluorescene intensity and gave off desirable shades of visible light when irradiated with ultraviolet lightSuch effects were used as falsificationresistant fluorescent reagent