杯[4]芳烃磺酸钠的合成及其表征

THE SYNTHESIS AND CHARACTERIZATION OF p-SULFONATED SODIUM OF CALIX[4]ARENE

采用三步法合成水溶性杯 [4]芳烃磺酸钠 ,先合成对叔丁基杯 [4]芳烃 ,再脱去叔丁基生成杯 [4]芳烃 ,最后合成杯 [4]芳烃磺酸钠 .采用红外分光光度法和紫外可见分光光度法对产物进行了表征 ,并研究了杯 [4]芳烃磺酸钠的电化学特性 .结果发现 ,杯 [4]芳烃磺酸钠在 Na Ac HAc水溶液 (p H=4.0 )中 ,当电位扫描范围为 0 .3～ 1 .0 V (vs SCE)之间时 ,可观察到一个对应于酚羟基氧化的不可逆峰 ,氧化峰电位在0 .83 V(vs SCE)左右 ,且随扫描速率不同而略有变化 .

To synthesize the p sulfonated sodium of calixarene, the p butyl calixarene was synthesized first and calixarene was synthesized by the reaction of p butyl calixarene with anhydrous AlCl_3. Finally, the p sulfonated sodium of calixarene was obtained. The product was confirmed by FT-IR and UV-vis spectrometry. The electrochemical behavior of the p sulfonated sodium of calixarene was also studied. When the potential scans from 0.3 to 1.0 V (vs SCE), there is a irreversible electrochemical reaction-wave in NaAcHAc (pH=4.0) buffer solution. The peak potential locates at about 0.83 V (vs SCE), which is slightly affected by the scan rate.