Synthesis and Structure of the First Transition Metal Complex with Methanesulfonylhydrazine as a ligand

The article reports the first transition metal complex of methanesulfonylhydrazine, a molecule known for important pharmacological and chemical applications. The complex [ZnCl2(MSH)(2)], MSH = CH3SO2NHNH2, has been synthesized and its structure characterized by means of Xray analysis. The coordination geometry is pseudo-tetrahedral and the ligand MSH adopts a conformation that was found by previous ab initio calculations to be a transition state and not a stationary point for the free ligand.