PUB - Publikationen an der Universität Bielefeld

The organoaluminium and - gallium hydroxylamides (Me2GaONMe2)(2), (tBu(2)AlONMe(2))(2), (tBu(2)GaONMe(2))(2) and ((Me2AlONPr2)-Pr-i)(2) have been prepared by the reaction of the hydroxylamines Me2NOH and (Pr2NOH)-Pr-i with the trialkylmetal compounds trimethylgallium, tri- tbutylaluminium and tri- tbutylgallium, respectively. All compounds have been characterised by NMR spectroscopy (H-1, C-13, N-15, O-17 and Al-27), by mass spectrometry and elemental analyses. The crystal structures of the four compounds have been determined, showing that they all form dimers but with different modes of aggregation: (Me2GaONMe2)(2) has a Ga2O2N2 six-membered ring, ((Bu2AlONMe2)-Bu-t)(2) and ((Me2AlONPr2)-Pr-i)(2) have Al2O2 four-membered rings, ((Bu2GaONMe2)-Bu-t)(2) forms a Ga2O2N five-membered ring.