Self-assembly with postmodification: Kinetically stabilized metalla-supramolecular rectangles

被引:180
作者
Kuehl, CJ [1 ]
Huang, SD
Stang, PJ
机构
[1] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA
[2] Kent State Univ, Dept Chem, Kent, OH 44242 USA
关键词
D O I
10.1021/ja0114355
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Interaction of a predesigned molecular "clip" (4) with rigid dipyridyl bridging ligands, in acetone/ water mixtures, leads to the formation of molecular rectangles (5-8) in 92-97% isolated yields via spontaneous self-assembly. Characterization was accomplished with multinuclear NMR and UV-vis spectroscopy, FAB mass spectrometry, and X-ray crystallography. The length of these metallamacrocycles ranges from 2 to 3 nm. Postmodification via non-nucleophilic counterion exchange results in enhanced structural integrity for the assemblies.
引用
收藏
页码:9634 / 9641
页数:8
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