Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters
作者:Shuchi Tiwari、Kallol K. Ghosh、Jan Marek、Kamil Kuca
DOI:10.1002/poc.1635
日期:2010.6
quaternary pyridinium aldoximes towards the hydrolysis of p‐nitrophenyl acetate (PNPA), p‐nitrophenyl benzoate (PNPB), p‐nitrophenyldiphenyl phosphate (PNPDPP) and p‐nitrophenyl p‐toluene sulphonate (PNPTS) has been studied at pH 7.1 and 27 °C. Addition of functionalized surfactant to reaction medium causes progressive increase in the rate of hydrolysis and reaches a maximum and then decreases due
某些功能化表面活性剂的亲核反应性,例如季吡啶鎓醛肟对乙酸对硝基苯酯(PNPA),对硝基苯甲酸苯酯(PNPB),对硝基苯二苯基磷酸酯(PNPDPP)和对硝基苯对甲苯磺酸酯(PNPTS)的水解在pH 7.1和27°C下进行了研究。向反应介质中添加官能化表面活性剂导致水解速率逐渐增加并达到最大值,然后由于进一步添加表面活性剂而降低。官能化表面活性剂烷基链长度的增加导致一级速率常数的增加。表观p K a官能化表面活性剂的CMC和CMC也分别通过分光光度法和电导法测定。版权所有©2009 John Wiley&Sons,Ltd.