Synthesis and characterization of the dihydrosalpren ligand (H2L1) and of its trinuclear Ni(II) complex |
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Authors: | Mauro Isola Vincenzo Liuzzo Fabio Marchetti |
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Affiliation: | Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Risorgimento 35, I-56126 Pisa, Italy |
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Abstract: | The synthesis of the new unsymmetrical tetradendate Schiff ligand N-(2-hydroxybenzyl)-N′-(2-hydroxybenzylidene)-1,3-diaminopropane (H2L1) is reported. The ligand comprises two different coordination moieties: a rigid salicylaldimmine unit and a more flexible (2-hydroxybenzyl)-amino (hydrogenated salicylaldimmine) unit. The reaction of H2L1 with Ni(OAc)2·4H2O (1:1 molar ratio) leads to the spontaneous formation of a trinuclear complex with composition {Ni(L1)OH2]2(OAc)2Ni}·2H2O, characterized by X-ray crystallography, where two Ni(L1)] units act as O,O-bidentate chelate to a Ni(II) ion. |
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