Authors
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Stephan, H. ; Geipel, G. ; Appelhans, D. ; Bernhard, G. ; Tabuani, D. ; Komber, H. ; Voit, B.
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Title
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Pegylation of 1,4,8,11-tetraazacyclotetradecane (cyclam) and its Cu(II) complexation
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Date
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20.04.2005
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Number
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13119
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Abstract
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Two novel star-like cyclam derivatives appended with four amino groups and four PEG-arms have been synthesised. The complex formation of cyclam and the two cyclam derivatives with Cu(II) has been studied by UVvis and time-resolved laser-induced fluorescence (TRLFS) measurements outlining 1:1 complexes between cyclam ligands and Cu(II). By TRLFS measurements a quench effect of the Cu(II) on the fluorescence of the ligand was also found to determine the complex formation between Cu(II) and the ligands.
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Publisher
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Tetrahedron Letters
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Wikidata
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Citation
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Tetrahedron Letters 46 (2005) 3209-3212
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DOI
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https://doi.org/10.1016/j.tetlet.2005.03.051
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Tags
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cyclam synthesis complex formation fluorescence metal-complexing nanoparticles macrocycle interaction kinetic data ligands dendrimers recognition derivatives agents core radiopharmaceuticals
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