Metal Complexes with Macrocyclic Ligands
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Daniel Tschudin; Andreas Riesen; Thomas A. Kaden
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Article
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1989
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John Wiley and Sons
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German
β 433 KB
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The X-ray structures of the Cuz+ complexes of 1,4,8,11 -tetraazacyclotetradecane derivatives with an ethylpropionate and diethylphosphonate group, 5 and 6, respectively, indicate that the metal ion is pentacoordinated by the four N-atoms of the macrocycle and one 0-atom. In the case of 5, it is the