PMID:11529782
| Citation |
Rathore, R, Burns, CL and Deselnicu, MI (2001) Multiple-electron transfer in a single step. Design and synthesis of highly charged cation-radical salts. Org. Lett. 3:2887-90 |
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| Abstract |
[structure: see text]. Macromolecules 1c and 2c bearing multiple redox-active sites are synthesized by an efficient palladium-catalyzed coupling of 2,5-dimethoxytolylmagnesium bromide with readily available hexakis(4-bromophenyl)benzene and tetrakis(4-bromophenyl)methane. These macromolecular electron donors undergo reversible oxidation at a constant potential of 1.15 V vs SCE to yield robust, multiply charged cation radicals that are isolated in pure form using SbCl(5) as an oxidant. These nanometer-size cation-radical salts are shown to act as efficient "electron sponges" toward a variety of electron donors. |
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