was synthesized by chlorination which treated with thionyl chloride and catalyst TEBA.The yield was up to 90% by applying the optimized conditions [SOCl2 150% (mol)
toluene
90℃
6 h]which was explored by the two important factors including amount of thionyl chloride and reaction temperature.The TOSPA complex was formed by mono-TOSPA and mono-toluene which was characterized by X-ray
H NMR
IR and EA.The TOSPA with high purity was obtained by separation utilizing the complex physical characteristic. The process is of potential for industrial application.