Chromium(III) Complexes with Chelating Anilido–Imine Ligands: Synthesis, Structures, and Catalytic Properties for Ethylene Polymerization
作者:Tieqi Xu、Haiyan An、Wei Gao、Ying Mu
DOI:10.1002/ejic.201000150
日期:2010.7
complexes that bear anilido-imine ligands, [(ortho-C 6 H 4 (NAr')(CH=NAr")}CrCl 2 (thf) 2 ] [Ar' = Ar" = C 6 H 5 (1); Ar' = Ar" = p-MeC 6 H 4 (2); Ar' = Ar" = 2,6-Me 2 C 6 H 3 (3); Ar' = 2,6-iPr 2 C 6 H 3 , Ar" = 2,6-Me 2 C 6 H 3 (4); Ar' = Ar" = 2,6-iPr 2 C 6 H 3 (5)], have been synthesized and characterized by elemental analysis, IR spectroscopy, and ESI-MS. The molecular structures of complexes 1 and
一系列带有苯胺-亚胺配体的新型铬配合物,[(邻位-C 6 H 4 (NAr')(CH=NAr")}CrCl 2 (thf) 2 ] [Ar' = Ar" = C 6 H 5 (1); Ar' = Ar" = p-MeC 6 H 4 (2); Ar' = Ar" = 2,6-Me 2 C 6 H 3 (3); Ar' = 2,6-iPr 2 C 6 H 3 , Ar" = 2,6-Me 2 C 6 H 3 (4); Ar' = Ar" = 2,6-iPr 2 C 6 H 3 (5)],已合成并通过元素分析表征, IR 光谱和 ESI-MS. 单晶 X 射线衍射分析证实了配合物 1 和 2 的分子结构。当用甲基铝氧烷 (MAO) 活化时,这些配合物对乙烯聚合和生产中等分子量的聚乙烯。