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Elsevier, Polyhedron, 15(28), p. 3279-3283

DOI: 10.1016/j.poly.2009.04.017

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Synthesis and structure of N-salicylidene- o-aminophenolato gallium(III) complexes

This paper is available in a repository.
This paper is available in a repository.

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Abstract

The reactions of Ga(acac)3 with N-salicylidene-o-aminophenol (saphH2) and its 5-methyl (5MesaphH2) and 5-bromo (5BrsaphH2) derivatives in alcohols afforded the complexes [Ga(acac)(saph)(EtOH)] (1), [Ga(acac)(5Mesaph)(MeOH)] (2) and [Ga(acac)(5Brsaph)(EtOH)] (3), respectively, in good yields. The crystal structures of 1 and 2 have been solved by single-crystal X-ray crystallography. All three complexes are mononuclear with the GaIII atoms being surrounded by a dianionic tridentate Schiff base ligand, one bidentate acac− ligand and a terminal alcohol molecule. Characteristic IR data are discussed in terms of the nature of bonding and the structures of the three complexes.