H-1 AND C-13 NMR STRUCTURAL STUDIES IN SOLUTION OF OXOTECHNETIUM(V) COMPLEXES WITH N-BIS(2-MERCAPTOETHYL)N',N'-DIETHYLETHYLENEDIAMINE AND N,N-BIS(2-MERCAPTOETHYL)-2-ETHYLTHIOETHYLAMINE

The complete assignments of the H-1 and C-13 resonances of three TcOLX complexes of oxotechnetium(V)-99 with H(2)L = -bis(2-mercaptoethyl)-N ',N'-diethylethylenediamine or N,N-bis(2-mercaptoethyl)-2-ethylthioeth ylamine mim and X = p-methoxythiophenolate or chloride ions Pre report ed Chemical shifts are influenced by the proximity of protons and carb ons to the coordinated heteroatoms and by their orientation with respe ct to the Tc=O core. The NMR spectra at room temperature are the resul t of motionally averaged conformations.