Abstract
The novel pyrrolide-benzoxazole [NN] titanium complexes TiL2Cl2 [L = 2-(5-R-benzo-[d]xazol-2-yl)-pyrrole, R = H (2a), R = CH3 (2b), R = tBu (2c), R = Cl (2d)] were synthesized. All the complexes were fully characterized by 1H, 13C NMR spectra and elemental analyses and the molecular structures of 2b and 2d were determined by single crystal X-ray diffraction. In the presence of methylaluminoxane (MAO), the titanium complexes showed moderate catalytic activities for ethylene polymerization to afford high-molecular-weight polymers.
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