Butenyl-substituted alkaline-earth metallocenes: A first step towards olefin complexes of the alkaline-earth metals

被引：46
|
作者：
Schumann, H
Schutte, S
Kroth, HJ
Lentz, D
机构：
[1] Tech Univ Berlin, Inst Chem, D-10623 Berlin, Germany
[2] Free Univ Berlin, Inst Chem, D-14195 Berlin, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 45期
关键词：
alkaline-earth metals; metallocenes; olefin complexes;
D O I：
10.1002/anie.200460927
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sandwich any one? The bis(butenyltetramethylcyclopentadienyl) complexes of calcium (2), strontium and barium exhibit an interaction of the alkaline-earth metals with olefin double bonds. Whereas the magnesium derivative (1) crystallizes as a sandwich complex with coplanar cyclopentadienyl ligands and free butenyl side chains, these coordinate to the metal in the analogous but open sandwich complexes of the larger metals calcium, strontium, and barium.
引用
收藏
页码：6208 / 6211
页数：4
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