Rhenium(I), (III) and (V) complexes of tridentate ONX (X = O,N, S)-donor Schiff bases |
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| Authors: | P. Mayer K.C. Potgieter T.I.A. Gerber |
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| Affiliation: | 1. Department of Chemistry, Ludwig-Maximilians University, D-81377 München, Germany;2. Department of Chemistry, Nelson Mandela Metropolitan University, 6031 Port Elizabeth, South Africa |
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| Abstract: | The reactions of the potentially tridentate Schiff bases 2-[(2-hydroxyphenyl)iminomethyl]phenol (H2ono) and 2-(2-aminobenzylideneimino)phenol (H3onn) with trans-[ReOBr3(PPh3)2] were studied, and the complexes [ReIIIBr(PPh3)2(ono)] (1) and [ReVBr(PPh3)2(onn)]Br (2) were isolated. In 1ono acts as a dianionic tridentate ligand, and in 2onn is coordinated as a tridentate trianionic imido-imino-phenolate. The complex [ReI(CO)3(ons)(Hno)] was isolated from the reaction of [Re(CO)5Br] with 2-[(2-methylthio)benzylideneimino]phenol (Hons; Hno = 2-aminophenol), with ons coordinated as a bidentate chelate with a free SCH3 group. These complexes were characterized by X-ray crystallography, NMR and IR spectroscopy. |
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| Keywords: | Rhenium(I, III, V) Tridentate Schiff bases Multidentate imido chelate X-ray structures |
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