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El Aziz, Youssef; Bassindale, Alan R.; Taylor, Peter G.; Horton, Peter N.; Stephenson, Richard A. and Hursthouse, Michael B.
(2012).
DOI: https://doi.org/10.1021/om300277g
Abstract
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-TOP and ESI mass spectrometry. The EWG must not be a good leaving group. Interestingly, this strategy led only to the T 8cage 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.
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About
- Item ORO ID
- 36012
- Item Type
- Journal Item
- ISSN
- 1520-6041
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Other Departments > Vice-Chancellor's Office
Other Departments - Copyright Holders
- © 2012 American Chemical Society
- Depositing User
- Peter Taylor