Direct and quantitative characterization of dynamic ligand exchange between coordination-driven self-assembled supramolecular polygons.
Direct and quantitative characterization of dynamic ligand exchange between coordination-driven self-assembled supramolecular polygons.
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DOI:
10.1021/ja809788x
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发表时间:
2009-03-18
影响因子:
15
通讯作者:
Stang PJ
中科院分区:
文献类型:
--
作者:
Zheng YR;Stang PJ
The direct observation of dynamic ligand exchange beween Pt-N coordination-driven self-assembled supramolecular polygons (triangles and rectangles) has been achieved using stable isotope labeling (1H/2D) of the pyridyl donors and electrospray ionization mass spectrometry (ESI-MS) together with NMR spectroscopy. Both the thermodynamic and kinetic aspects of such exchange processes have been established based on quantitative mass spectral results. Further investigation showed that the exchange is highly dependent on experimental conditions such as temperature, solvent, and the counter anions.
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影响因子:
15
作者:
Kuehl, CJ;Huang, SD;Stang, PJ
通讯作者:
Stang, PJ
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