Molybdenum complexes of poly[(methylthio)methyl]borates

Abstract

Organometallic molybdenum compounds bearing poly[(methylthio)methyllborates, [(eta(3)-C3H5)Mo (CO)(2)(kappa(3)-PhTt)] and [Bu4N][{((eta(3)-C3H5)Mo(CO)(2)Cl)(2)(kappa(2):kappa(2)-RTt)], where PhTt = phenyltris[(methylthio) methyllborate and RTt = tetralds[(methylthio)methyl]borate, have been obtained by ligand exchange reaction from [(eta(3)-C3H5)Mo(CO)(2)(NCMe)(2)Cl] and appropriate borate. The PhTt ligand provides tridentate face-capping coordination to the central metal while the RTt acts as a bridging ligand and connects two [(eta(3)-C3H5)Mo(CO)(2)Cl] monomeric units by unusual kappa(2):kappa(2)-coordination mode. Both compounds were fully characterized by spectroscopic methods and X-ray crystallography.