以对叔丁基硫代杯[6]芳烃p-tert-butyl-thiacalix[6]arene,TC6A)为底物,对其上缘进行脱叔丁基、氯甲基化反应后,在无水N,N-二甲基甲酰胺(DMF)溶液中将氯甲基化的硫代杯[6]芳烃与硫代乙酸钾进行反应合成了一种新的TC6A衍生物——乙酰硫甲基硫代杯[6]芳烃(TC6A—CH2SCOCH3).对含有铂族金属离子的车用尾气净化催化剂残渣溶液进行萃取研究表明,在pH为1.5的萃取液中TC6A—CH2SCOCH3对其中的钯离子具有最高的选择性萃取能力,萃取率可达86.2%,在pH为4.0的萃取液中对锆离子具有第二高的选择性萃取能力,萃取率可达57.3%.
A new derivative matter acetylthiomethylthiacalix[6]arene (TC6A-CH2SCOCH3) has been synthesized by modified the upper rims of p-tert-butylthiacalix[6]arene (TC6A) in anhydrous DMF. The metal extraction properties of TC6A-CH2SCOCH3 from automotive catalyst residue solution containing platinum-group metal (PGM) cations have been investigated. It shows that the highest extractability for Pd and second highest one for Zr are ca. 86.2% (in pH 1.5 PGM solution) and 57.3% (in pH 4.0 PGM solution) respectively.