Synthesis and structural characterization of 2,5-Bis(N-aryliminomethyl)pyrrolyl complexes of aluminum

被引：34
|
作者：
Matsuo, Y [1 ]
Tsurugi, H [1 ]
Yamagata, T [1 ]
Tani, K [1 ]
Mashima, K [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Dept Chem, Toyonaka, Osaka 5608531, Japan
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2003年 / 76卷 / 10期
关键词：
D O I：
10.1246/bcsj.76.1965
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Reaction of tridentate ligands, 2,5-bis(N-aryliminomethyl)pyrroles (la-e), with I equiv of AlMe3 in toluene afforded aluminum dimethyl complexes. AlMe2[2,5-bis(N-aryliminomethyl)pyrrolyl] (2a-e) with the release of one equiv of methane. In solution the aluminum complexes 2a-e showed C-s-symmetry as characterized by their H-1 NMR spectra, while in solid the geometry around the Al atom as crystallographically determined for 2a and 2b was found to a tetrahedral by an amido nitrogen atom of the pyrrolyl anion, a nitrogen atom of one of two imino groups and two methyl groups. The aluminum complex 2e upon activated by one equiv of B(C6F5)(3) became a catalyst for ethylene polymerization (Activity = 80 g-PE/mol-cat.h).
引用
收藏
页码：1965 / 1968
页数：4
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