Synthesis and characterization of thiosemicarbazone derivatives of 2-ethoxy-3-methoxy-benzaldehyde and their rhenium(I) complexes |
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| Authors: | Ara Núñez-Montenegro Rosa CarballoEzequiel M Vázquez-López |
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| Institution: | Departamento de Química Inorgánica, Facultade de Química, Edificio de Ciencias Experimentais, Universidade de Vigo, E-36310 Vigo, Galicia, Spain |
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| Abstract: | The ligands (HL1, HL2 and HL3) have been prepared and their reaction with fac-ReX(CO)3(CH3CN)2] (X = Br, Cl) in chloroform gave the adducts ReX(CO)3(HL)] (1a X = Cl, R = H; 1a′ X = Br, R = H; 1b X = Cl, R = CH3; 1b′ X = Br, R = CH3; 1c X = Cl, R = Ph; 1c′ X = Br, R = Ph) in good yield. All the compounds have been characterized by elemental analysis, mass spectrometry (FAB), IR and 1H NMR spectroscopic methods, and the structures of the ligands have been elucidated by X-ray diffraction. In the case of HL1, we have tried the reaction with ReX(CO)5] (X = Br, Cl) in toluene and we proved the formation of the adduct also by this way by the isolation of single crystals of 1a′ · ½C7H8. |
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| Keywords: | Thiosemicarbazone Rhenium complexes Carbonyl complexes X-ray |
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