Sodium cation migration above the diimine π-system of solvent coordinated dpp-BIAN sodium aluminum complexes (dpp-BIAN=1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene)

被引：42
|
作者：
Schumann, Herbert
Hummert, Markus
Lukoyanov, Anton N.
Fedushkin, Igor L.
机构：
[1] Tech Univ Berlin, Inst Chem, D-10623 Berlin, Germany
[2] Russian Acad Sci, GA Razuvaev Inst Organomet Chem, Nizhnii Novgorod 603950, Russia
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2007年 / 13卷 / 15期
关键词：
arenes; main group elements; N ligands; pi interactions; sodium;
D O I：
10.1002/chem.200601649
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reactions of the disodium salt of the 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene (dpp-BIAN) ligand with one equivalent of Me2AlCl in diethyl ether, toluene, and benzene produced the complexes [Na(Et2O)(2)(dpp-BIAN) AlMe2] (1), [Na(eta(6)-C7H6)(dpp-BIAN)AlMe2] (2) and [Na(eta(6)-C6H6)(dpp-BIAN)AlMe2] (3), respectively. Recrystallization of 1 from hexane afforded solvent-free [{Na(dppBIAN)AlMe2}(n)] (4) or [Na(Et2O)(dpp-BIAN)AlMe2] (5) depending on the temperature of the solvent. The molecular structures of 1-5 have been determined by single-crystal X-ray diffraction. The sodium cation coordinates either one of the naphthalene rings (1) or the diimine part of the dpp-BIAN ligand (2-5). In the complexes 2 and 3, the sodium cation additionally coordinates the toluene (2) or benzene molecule (3) in an eta(6)-fashion.
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页码：4216 / 4222
页数：7
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