In this paper, the synthesis of Acid Yellow p-L has been carried out with the help of Surfactant DSB as the phase-transferring catalyst, followed by the successful coupling reaction, the shortened reaction time and the improved product quality.

• 本文介绍了用表面活性剂DSB作相转移催化剂合成酸性黄 p -L染料 ,使得偶合反应顺利进行 ,缩短了反应时间 ,提高了产品质量