Formation of dications bearing a S(OH)2+ group from long-lived 9,9-dimethyl-10 R-phenanthrenium cations in FSO3H–SbF5/SO2ClF/SO2: a mechanistic study
Autor: | Vyacheslav G. Shubin, V. A. Bushmelev, George E. Salnikov, Alexander M. Genaev, Andrey A. Nefedov |
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Rok vydání: | 2014 |
Předmět: | |
Zdroj: | RSC Adv.. 4:52831-52835 |
ISSN: | 2046-2069 |
DOI: | 10.1039/c4ra11673a |
Popis: | 1 H and 13C NMR studies have shown that the long-lived 9,9-dimethyl-10-R-phenanthrenium cations (R = PhCC, Me, OH) generated in FSO3H–SbF5/SO2ClF/SO2/CD2Cl2 transform into long-lived 7-dihydroxysulfonio-9,9-dimethyl-10-R-phenanthrenium dications. The effect of the 10-R substituents on the reaction rate suggests that a key step in the reaction mechanism is addition of SO2 to protonated phenanthrenium cations. |
Databáze: | OpenAIRE |
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