A simple single-step synthesis of [ 99 Tc 3 H 3 (CO) 12 ] from [ 99 TcO 4 ] – and its X-ray crystal structure. Application to the production of no-carrier added [ 188 Re 3 H 3 (CO) 12 ]

Reduction of no-carrier added [188ReO4]–(ng range) in thf–[NBu4]Cl with BH3·thf under an atmosphere of CO yields [188ReCl3(CO)3]2– and [188Re3(µ-H)3(CO)12]; under similar conditions as with [188ReO4]–, the first µ-hydrido-bridged 99Tc hydrido carbonyl complex is prepared and structurally characterised.