ESR study of spin-adducts of trimethylaminoboryl radicals with fullerene C60 |
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Authors: | B L Tumanskii V V Bashilov S P Soiodovnikov N N Bubnov V I Sokolav V Ts Kampel' A Warshawsky |
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Institution: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul.Vavilova, 117813 Moscow, Russian Federation;(2) Weitsman Institute, Israel |
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Abstract: | It was established by ESR that trimethylaminoboryl radicals formed by UV irradiation of BH3NMe6w in the presence of di-tert-butyl peroxide in saturated benzene solutions of fullerene C60, add to fullerenes to give C60-BH2NMe3 spin-adducts. The latter undergo dimerization with a rate constant ofca. 2.5 · 106 L mol–1 s–1. A more prolonged photolysis of excess BH3NMe3 in a benzene solution of C60 results in multiple addition of the trimethylaminoboryl radicals to the fullerene to give stable radicals C60BH2NMe3]n.Translated fromIzyestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 673–675, April, 1994. |
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Keywords: | fullerene ESR radical photolysis boryl |
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