Characterization of Nanoporous Cavity of Quardruply Bridged Calixarenes by Means of Hyperpolarized 129Xe NMR
Abstract:The bridged calixarenes, which are well known as cavitands to capture ions and molecules, were characterized via the hyperpolarized 129Xe NMR. Also, we could deduce the pathway of a guest molecule into hosts and estimate the pore diameter of bridged calixarenes. The characterized results of nanoporous cavity by the hyperpolarized 129Xe NMR corresponded with the measurement from the X-ray structure. This study showed that the hyperpolarized 129Xe NMR could be used as a promising tool to characterize nanoporous cavity of host compounds with low surface area.
Document Type: Research Article
Publication date: May 1, 2010
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