Dinuclear triple-stranded helicates from rigid oligo-p-phenylene ligands:: Self-assembly and ligand self-recognition

被引：0
|
作者：
Albrecht, M [1 ]
Schneider, M [1 ]
机构：
[1] Univ Karlsruhe, Inst Organ Chem, D-76131 Karlsruhe, Germany
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2002年 / 06期
关键词：
catechol; titanium; self-assembly; helical structures; molecular recognition;
D O I：
10.1002/1099-0682(200206)2002:63.3.co;2-h
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The rigid rod oligo-p-phenylene type dicatechol ligands 1-3H(4) form dinuclear triple-stranded helicates M-4[(1-3)(3)Ti-2] in the presence of appropriate counterions (M = Li, Na, K, or NH4). Studies on the self-recognition ability of the ligands show that self-recognition takes place if mixtures of ligands with significantly different sizes (1/2) are used in coordination studies, or if ligands are used which do not match for geometric reasons (1/4). Mixtures of ligands with a similar geometric preference (2/5) do not lead to self-recognition, but instead give mixtures of hetero- and homoleptic complexes. ((C) Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).
引用
收藏
页码：1301 / 1306
页数：6
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