New (anilidomethyl) pyridine titanium (IV) and zirconium (IV) catalyst precursors for the highly chemo-and stereoselective cis-1, 4-polymerization of 1, 3-butadiene

L Annunziata, S Pragliola, D Pappalardo…

文献索引：Annunziata, Liana; Pragliola, Stefania; Pappalardo, Daniela; Tedesco, Consiglia; Pellecchia, Claudio Macromolecules, 2011 , vol. 44, # 7 p. 1934 - 1941

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被引用次数: 19

摘要

Group 4 metals complexes bearing anilidomethylpyridine ligands have been synthesized and characterized by nuclear magnetic resonance (NMR) spectroscopy, elemental analysis, and single-crystal X-ray diffraction analysis. All complexes, after activation by using AliBu2H and methylalumoxane (MAO) were tested in 1, 3-butadiene and α-olefins polymerization. The zirconium complexes showed higher activity with respect to the titanium homologous. ...