Facile Synthesis of Novel Functionalized Silsesquioxane Nanostructures Containing an Encapsulated Fluoride Anion
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https://figshare.com/articles/dataset/Facile_Synthesis_of_Novel_Functionalized_Silsesquioxane_Nanostructures_Containing_an_Encapsulated_Fluoride_Anion/2488693
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资源简介：
The presence of strongly electron withdrawing groups
on alkoxysilanes, EWG-(CH2)n-Si(OEt)3 (where n = 1–3 and the
electron-withdrawing group EWG contains an Si–C(sp3) bond), facilitates the formation and encapsulation of the fluoride
anion in a silsesquioxane cage. Such species have been studied by 19F and 29Si NMR spectroscopy and X-ray crystallography
together with MALDI-TOF and ESI mass spectrometry. The EWG must not
be a good leaving group. Interestingly, this strategy led only to
the T8 cage and excellent yields were obtained (81–95%)
even without solvent. A wide range of functionalities were used. This
new route offers an opportunity to build novel nanometer-sized 3-D
molecular structures with a variety of functionalities which have
not been accessible in the past.
创建时间：
2012-09-10
