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Our aim was to develop a ligand synthesis strategy which was (a) simple and (b) uses starting materals which are readily available and for which (c) modification of the ligand structure were simple to implement. Scheme 1 shown below summarizes the ligand synthesis and shows that we have achieved the aims of our synthethic strategy. A complete discussion of the ligands synthesis, experimental details and an xray crystal structure of one of the novel ligands can be found in the ligand section of this poster.
For the synthesis the titanium and zirconium complexes we have employed an amine elimination reaction as illustrated in scheme 2 below. A detailed discussion of the transition metal complex synthesis and experimental details can be found in the complex section. A single xray crystal structure of one of the complexes is also presented there.