| Synthesis and Characterization of New Schiff Base and Polyoxa-azaCryptands and Their Rare Earth Cryptates with [1 1] Condensation and Reduction Methods |
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| 作者姓名： | Zhen MA Ru Dong YANG Lan YAN |
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| 作者单位： | Department of Chemistry，Lanzhou University，Lanzhou，Gansu 730000 |
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| 摘 要： | IntroductionWithspecialandnovelstructures,macropolycyclicmoleculespreselltamultitudeofnewproperties'andopenupvastvistasforapplicationsinmanyfields"',suchassupramoleculardevices,luminescentlabels,fluorescentprobesinbiologicalandmedicalapplications,magneticresonanceimagingandcatalyticcleavageofRNA,and.-theyarealsoimportantligands'forrecognizinginorganicandorganiccanons,anionsandneutralmolecules.Becauseofmulti-stepprocessandlowyields',thesynthesisofmacropolycycliccompoundsaresometimesverydifficu…
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Synthesis and Characterization of New Schiff Base and Polyoxa-aza Cryptands and Their Rare Earth Cryptates with [1 1] Condensation and Reduction Methods |
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| Zhen MA, Ru Dong YANG, Lan YAN.Synthesis and Characterization of New Schiff Base and Polyoxa-azaCryptands and Their Rare Earth Cryptates with [1 1] Condensation and Reduction Methods[J].Chinese Chemical Letters,1999(12). |
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| Authors: | Zhen MA Ru Dong YANG Lan YAN |
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| Abstract: | The Schiff base cryptand and its cryptates were synthesized with the methods of 1 1]condensation oftrialdehyde and tris(2-aminoethyl)amine and obtained in 60-65%, 5-25% and 70-80% yields respectively with or without some rare earth elements as templates. The polyoxa-azacryptand was produced in 72% and 60-70% yields with reduction of Schiff base and its cryptatesrespectively. |
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| Keywords: | Schiffbase polyoxa-aza cryptand rare earth condensation |
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