New oxorhenium(V) complexes with 2N2S donor sets and radiochemical behavior of their technetium analogs

Oxorhenium(V) complexes of two thioether amines have been synthesized and characterized spectroscopically. The five-coordinated ReO 3+ moiety is satisfied by the amine compounds behaving as dibasic tetradentate (NSSN) ligands and a chloride ion. The radioanalytical studies of their technetium analogs have been carried out at different pH values in the range 3–10. The solvent extraction, TLC, electrophoresis and HPLC studies using 99mTc radiotracer indicate that the labeled complex with the TcO 3+ core is similar to the rhenium complex with the ReO 3+ core.