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Multidentate ligands for the synthesis of multi-metallic complexes. 2. Formation of a planar Cu4OH motif

Mustapha, Abdullahi and Reglinski, J. and Kennedy, Alan R. and Armstrong, D.R. and Sassmannshausen, Jorg and Murrie, Mark (2010) Multidentate ligands for the synthesis of multi-metallic complexes. 2. Formation of a planar Cu4OH motif. Inorganic Chemistry, 49 (12). pp. 5350-5352. ISSN 0020-1669

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Abstract

The reaction of the multidentate Schiff base species TrenSal, TrenBrSal and TEtSal with copper acetate is reported. The heptadentate ligands generate a tetrametallic L2Cu4OH motif that contains an internalised hydroxide anion. In contrast the hexadentate TEtSal ligand is found to form an open trimetallic motif. The importance of L2Cu4OH to the family of copper ccmplexes with an endohedral hydroxide anion is discussed. [(TrenBrSal)2Cu4OH] [OAc] is analysed by temperature dependent magnetic measurements.