Padma, DK and Kumar, Sampath H (1992) Displacement of Lewis Acid Gases - $PF_5, BF_3$ and $SiF_4$ from Their Ammonium, Alkali Metal and Pyridinium Fluorocomplexes by Sulphur Trioxide at Room Temperature. In: Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry, 22 (10). pp. 1533-1549.
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Lewis acid gases, $PF_5, BF_3$ and $SiF4$ are liberated from their ammonium, alkali metal and pyridinium fluorocomplexes, $NH_4PF_6, NaPF_6, KPF_6, C_5H_5NHPF_6, C_5H_5NHBF_4$ and $(C_5H_5NH)_2SiF_6$, when treated with sulphur trioxide at room temperature. The dissociated ammonium/alkali metal fluorides as well as the pyridinium fluoride react further with the excess sulphur trioxide to form the corresponding fluorosulphates. The products, Lewis acid gases and the fluorosulphates, have been 19 characterised by I. R., F NMR and wet chemical analysis. This is the first report of the synthesis of these gases from pyridinium fluorosulphate at room temperature in good yields.
| Item Type: | Journal Article |
|---|---|
| Publication: | Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry |
| Publisher: | Informa plc |
| Additional Information: | Copyright of this article belongs to Informa plc |
| Keywords: | Lewis acid gases;phosphorus pentafluoride;boron fluoride;silicon fluoride;ammonium;alkali metal;pyridinium fluoro complexes;ulfur trioxide |
| Department/Centre: | Division of Chemical Sciences > Inorganic & Physical Chemistry |
| Date Deposited: | 20 Feb 2008 |
| Last Modified: | 27 Aug 2008 13:09 |
| URI: | http://eprints.iisc.ac.in/id/eprint/12850 |
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