Dimethylamine borane dehydrogenation chemistry: syntheses, X-ray and neutron diffraction studies of 18-electron aminoborane and 14-electron aminoboryl complexes

Abstract

The reactions of Me₂NH·BH₃ with cationic Rh(III) and Ir(III) complexes have been shown to generate the 18-electron aminoborane adduct [Ir(IMes)₂(H)₂{κ²-H₂BNMe₂)]⁺ and the remarkable 14-electron aminoboryl complex [Rh(IMes)₂(H)-{B(H)NMe₂)]⁺. Neutron diffraction studies have been used for the first time to define H-atom locations in metal complexes of this type formed under catalytic conditions.