摘要
利用HPLC法考察了六、七元瓜环(Q[6],Q[7])与邻苯二胺(g1)、间苯二胺(g2)、对苯二胺(g3)、邻硝基苯胺(g4)、间硝基苯胺(g5)、对硝基苯胺(g6)的相互作用.实验结果表明:Q[6]可与客体g1～g3,g5形成1∶1的包结配合物;Q[7]与客体g1～g6形成1∶1包结配合物,同时计算了包结配合物的包结稳定常数,探讨了主-客体的相互作用模式,并利用1HNMR、紫外吸收光谱法进行了佐证.
Interaction of cucurbit（n）uril （n=6,7） with aniline and its derivatives was studied by using high performance liquid chromatography （HPLC）. The guests are o-phenylenediamine （gl）, m-phenylenediamine （g2）, p-phenylenediamine （g3）, o-nitroaniline （g4）, m-nitroaniline （gS） and p-nitroaniline （g6）. The experimen- tal results revealed that Q[6] bound only g1-g3 and g5 respectively to form the inclusion complex in a ratio of 1 ： 1; while Q[7] was observed to form a 1 ; 1 host-guest product with guests g1-g6 respectively. The stability constants and ratio of host ： guest were determined. And the interaction model of the inclusion complexes was proposed, which were further confirmed by UV absorption spectroscopy and ^1H NMR technique.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
2007年第11期1045-1050,共6页
Acta Chimica Sinica
基金
科技部国际科技合作重点项目(No.2003DF000030)
贵州省省长基金(黔省专合字[2005]15
黔省专合字[2005]369)
贵州省国际科技合作重点项目(黔科合国字[2005]400101)
贵州省教育厅自然科学研究(黔教科[2002]103)资助项目.
