Bimetallic Lanthanide Complexes Derived from Macrocycle‐Appended m‐Xylyl Derivatives: Synthesis and Spectroscopic Properties |
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| Authors: | Matteo P Placidi Louise S Natrajan Daniel Sykes Alan M Kenwright Stephen Faulkner |
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| Institution: | 1. School of Chemistry, University of Manchester, Oxford Road, Manchester M13?9PL, UK;2. University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1?3TA, UK, (phone: +44‐1865‐285148);3. Department of Chemistry, University of Durham, South Road, Durham DH1?3LE, UK |
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| Abstract: | A series of bimetallic lanthanide complexes was prepared from a bimacrocyclic system in which two DO3A units are linked by a m‐xylyl unit appended with either a NO2 or an NH2 group (DO3A=1,4,7,10‐tetraazacyclododecane‐1,4,7‐triacetic acid). The Nd‐, Eu‐, Tb‐ and Yb‐complexes were all luminescent: time‐resolved studies indicated that the lipophilic xylyl group restricts close approach of H2O to the metal centre. |
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| Keywords: | Lanthanide complexes Bimacrocyclic systems m‐Xylyl derivatives Luminescence |
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