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时间:2020-03-26
《在四氯合锌离子诱导下反式六元瓜环与碱金属离子构筑的配位超分子自组装体.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第7期无机化学学报Vo1.32No.72016年7月CHINESEJ0URNALOFIN0RGANICCHEMISTRY1303—1310在四氯合锌离子诱导下反式六元瓜环与碱金属离子构筑的配位超分子自组装体邱胜超1李青1张云黔1肖昕1陶朱1祝黔江,1张振琴,z(贵州大学化学与化工学院,贵’1.1省大环化学及超分子化学重点实验室,贵阳550025)(南京医科大学药学院化学系,南京210009)摘要:在盐酸介质中,通过四氯合锌离子诱导,碱金属离子能与反式六元瓜环端口羰基氧原子直接配位构筑形成超
2、分子自组装体。单晶结构表明在HC1介质中,四氯合锌离子形成“蜂巢结构”,iNN~[ZnC141导作用下,碱金属离子和反式六元瓜环端1:3羰基氧直接配位形成一维超分子自组装体而填充在“蜂巢结构”中。关键词:碱金属离子;反式六元瓜环;四氯合锌根离子;超分子自组装体中图分类号:0614.241;0614.112;0614.113;0614.114文献标识码:A文章编号:1001.4861(2016)07.1303—08DoI:10.1l862/CJIC.2016.154SupramolecularAss
3、embliesFormedbyCoordinationofAlkaliMetalIonswithInvertedCucurbit[6]urilinthePresenceofTetrachlorozincateQIUSheng—ChaoLIQingZHANGYun—QianXIAOXinTAOZhuZHUQian—Jiang”ZHANGZhen-Qin,(eyLaboratoryofMacrocyclicandSupramolecularChemistryofGuizhouProvince,Guiz
4、houUniversity,Guiyang550025,China)(2SchoolofPharmacy,NanjingMedicalUniversity,Nanjing210009,China)Abstract:CoordinationinsupramolecularassembliesformedinaqueousHClsolutionwasinvestigatedbyreactingalkalications(M)andinvertedcucurbit[6]uril(iQ[61)inthep
5、resenceofthestructure-directingagenttetrachloridezincateanionf[ZnC14]2-).Single—crystalX—raydiffractionanalysisrevealedthattheiQ[6]-M-[ZnCl4]>-HC1interactionsystemsyieldedasupramolecularassemblyconsistingofiQ[6]/M-basedlinearcoordinationpolymersresidi
6、ngwithintheporesofahoneycomb—likeframeworkof[ZnCh]anions.CloseinspectionrevealedthatdifferentIQ[6]/M*/[ZnCL]--basedsupramolecularassemblies(M=Na,K,Rb)presenteddifferentporousconformationsanddisplayeddifferentabsorptionproperties.CCDC:1469246,1;1469247
7、,2;1469248,3.Keywords:alkalinemetalion;invertedcucurbit[6]uril;tetraehloridezineateanion;supramolecularassemblies0Introductionpotentialpropertieshavebeenreported[3.AlowsyntheticyieldanddificultiesinseparatingiQ[n]shasAninvertedcucurbit[6]uril(iQ[6],Fi
8、g.1)wasfirsthinderedtheirinvestigation.Upontheirdiscovery,itreportedbyIsaaesandKimin2005[.andsincethenwassuggestedthatiQ[nlscouldselectivelyrecognizeonlyacoupleoftheoreticalinvestigationsontheirguestsbytheshapeanddimensionsoftheircavity.收稿日期:2
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