| abstract |
A method for synthesizing a complex having the formula: [L3MO3]″ wherein L 3 represents a tridentate ligand, M represents a metal selected from Tc an Re, and n is a charge from −2 to +1, the method comprising: a) reaction of pertechnetate or perrhenate with a reducing agent and L 3 , or b) reaction of pertechnetate or perrhenate with a Lewis acid and L 3 , wherein the synthesis (a) or (b) is carried out in an aqueous medium. |