Stereochemical control of cis- and trans-TiCl2 groups in six-coordinate complexes [(L)TiCl2] (L2- = N2O2-donor Schiff base) and reactions with trimethylaluminium to form cationic aluminium species

The first example of a cis-configuration of the TiCl2 group in a six-coordi nate titanium complex [(L)TiCl2], involving a tetradentate N2O2-donor Schif f base ligand (L2-), is reported, and reactions of such complexes with trim ethyl aluminium have been shown to generate cationic aluminium species.