幾種新型開鏈冠醚化合物的合成及其離子選擇鍵合特性的初步研究.pdf

1、河北工業(yè)大學碩士學位論文幾種新型開鏈冠醚化合物的合成及其離子選擇鍵合特性的初步研究姓名：郭鵬申請學位級別：碩士專業(yè)：應用化學指導教師：段中余黎鋼20090601幾種新型開鏈冠醚化合物的合成及其離子選擇鍵合特性的初步研究iiSYNTHESISOFSEVERALNOVELOPENCHAINCROWNETHERCOMPOUNDSTHEIRIVECOMPLEXATIONWITHIONSABSTRACTOpenchaincrownetherbel

2、ongstoflexiblelignotonlyhavingflexiblechainstructurebutalsohavingrigidendgroupswhichmakesitfeatureexcellentbindingabilitywithions.Becauseofthevarityoftheendgroupsitcanfmsteadycomplexwithmetalionslikesomelargeringcrowneth

3、er.whenchangingtheendgroupitcanalsofmsteadycomplexwithanionscationsrecognizethematthesametime.Tofurtherrevealtheivityoftheopenchaincrownetherwithanionscationsseveralnovelopenchaincrownetheraresynthesizedtheirionrecogenit

4、ionabilitiesareinvestigatedbymeansofUVvisspectroscopy.Themajcontentsofthethesisareasfollowing:Thegeneralaspectofsupramolecularchemistryisdescribedbriefly.Theionrecognitionmolecularrecognitionprogressbasedoncrownetherarer

5、eviewed.Threenovelopenchaincrownether(hostcompoundⅡ1Ⅱ2Ⅱ3)withendgroupbis(indolyl)methanearesynthesizedacterizedbyIR1HNMRelementalanalysis.TheircomplexationbehaviswithF、Cl、Br、I、HSO4areinvestigated.Itisfoundthatthecomplexa

6、tionofⅡ1Ⅱ2withFaresignificantlydifferrentwithotheranions.FurtherlytheirComplexStabilityContantGibbsfreeenergychangeswithFarestudiedbyUVvisspectroscopy.TheresultsindicatethathostcompoundⅡ1Ⅱ2givebettercomplexabilityivityto

7、F.thanⅡ3.Akindofnovelopenchaincrownetherwhichbearsthechainof1，10phenanthrolinemonohydrateissynthesizedacterized.Complexationbehaviwithalkalialkaliearthmetalions（Li、Na、K、Rb、Cs，Ca2、Ba2）arestudiedbutnospecialcomplexationare