Oligoethylene chains terminated by ferrocenyl end groups:: Synthesis, structural properties, and two-dimensional self-assembly on surfaces

被引：39
|
作者：
Wedeking, K
Mu, ZC
Kehr, G
Sierra, JC
Lichtenfeld, CM
Grimme, S
Erker, G
Fröhlich, R
Chi, LF
Wang, WC
Zhong, DY
Fuchs, H
机构：
[1] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany
[2] Univ Munster, Inst Phys, D-48149 Munster, Germany
[3] Jilin Univ, Key Lab Supramol Struct & Mat, Coll Chem, Changchun 130023, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2006年 / 12卷 / 06期
关键词：
iron; metallocenes; metathesis; scanning tunneling microscopy; self-assembly;
D O I：
10.1002/chem.200500552
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of unsaturated long-chain-bridged diferrocenes Fc-(CH2)(n)CH=CH-(CH2)(n)-Fc (4a-e) was synthesized by means of olefin metathesis. Subsequent catalytic hydrogenation furnished the saturated alpha,omega-bis-ferrrocenyl oligoethylene products Fc-(CH2)(m)-Fc (5). Members of both series formed highly ordered laminar structures at the highly oriented pyrolytic graphite (HOPG) solid/liquid interface or on the Ag(110) surface, which were characterized by STM. Details of the structural features of these ordered physisorbed surface assemblies of 4 and 5 were analyzed by comparison with DFT calculations on model systems and with the characteristic packing modes of these systems in the crystal.
引用
收藏
页码：1618 / 1628
页数：11
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