Chiral titanium and zirconium complexes with the 1-(8-quinolyl)-2,3-dimethylcyclopentadienyl-ligand

被引:24
作者
Enders, M [1 ]
Rudolph, R [1 ]
Pritzkow, H [1 ]
机构
[1] Univ Heidelberg, Inst Anorgan Chem, D-69120 Heidelberg, Germany
关键词
N-functionalized cyclopentadienyl; donor ligands; titanium; zirconium;
D O I
10.1016/S0022-328X(97)00503-2
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reaction of 8-lithioquinoline with 2,3-dimethylcyclopent-2-en-1-one leads to 1-(8-quinolyl)-2,3-dimethyl-cyclopentadiene (1) after hydrolysis and H2O elimination in acidic solution. With strong bases 1 is deprotonated to the intensively red coloured anion 2. 2 was converted to the trimethylsilyl derivative 3, which could be characterized by crystal structure analysis. 3 reacts with group 4 transition metal chlorides to the chiral trichlorotitanium and trichlorozirconium complexes I and 5. 3 was examined by crystal structure analysis and shows the expected interaction between the quinolyl nitrogen atom and the metal centre.
引用
收藏
页码:251 / 256
页数:6
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