有机化学ChineseJournalofOrganicChemistryNOTE*Correspondingauthors.E-mail:zengfei@iccas.ac.cn;xfwang518@sina.cnReceivedJune13,2022;revisedJuly22,2022;publishedonlineAugust17,2022.ProjectsupportedbytheNationalNaturalScienceFoundationofChina(No.21602055).国家自然科学基金(No.21602055)资助项目.352http://sioc-journal.cn/©2023ShanghaiInstituteofOrganicChemistry,ChineseAcademyofSciencesChin.J.Org.Chem.2023,43,352~356DOI:10.6023/cjoc202206018研究简报均苯四甲酸二酰亚胺拓展柱[6]芳烃与羧酸盐客体分子的络合性能研究程璐a曾飞*,b王小峰*,a(a南华大学化学化工学院湖南衡阳421001)(b湖南科技学院化学与生物工程学院湖南永州425199)摘要描述了均苯四甲酸二酰亚胺拓展柱[6]芳烃主体与羧酸盐客体分子在溶液中的络合性质,表明缺电子的主体分子与富电子的羧酸盐客体分子,通过分子间的弱相互作用力能够形成1∶2的超分子络合物.此外,主客体络合物的形成与解离具有酸碱的环境响应性,并且该过程也可通过肉眼进行观察.关键词柱芳烃;均苯四甲酸二酰亚胺;酸碱调控;主客体化学StudyontheComplexationPropertiesofPromelliticDiimide-ExtendedPillar[6]arenandCarboxylateGuestsCheng,LuaZeng,Fei*,bWang,Xiaofeng*,a(aSchoolofChemistryandChemicalEngineering,UniversityofSouthChina,Hengyang,Hunan421001)(bCollegeofChemicalandBiologicalEngineering,HunanUniversityofScienceandEngineering,Yongzhou,Hunan425199)AbstractThecomplexationbetweenthepyromelliticdiimide-extendedpillar[6]arenhostandcarboxylateguestsinsolutionwasinvestigatedindetail.Itwasfoundthatthehostcouldform1∶2complexeswithcarboxylatesaltsinsolution.Interest-ingly,thecomplexationanddecomplexationofthecomplexesbetweenthehostandtheguestcouldbeachievedbychangingthepHofthesolution,andtheprocesscouldalsobeobservedbynakedeye.Keywordspillararen;pyromelliticdiimide;acid-basecontrolled;host-guestchemistry有趣大环主体的创造和发展是主客体和超分子化学[1-3]中一个永恒且具有挑战性的课题.近二十年来,各种合成大环主体如雨后春笋般层出不穷,如柱芳烃[4]、棱芳烃[5]、塔[n]芳烃[6]、联苯芳烃[7]、萘管[8]、冠[n]芳烃[9]、螺[6]芳烃[10]等其他大环主体分子[11].其中,柱芳烃因其易于合成、独特的柱子形状、有趣的主客体性质、独特...