Spin-adducts of radicals ·P(O)(OPri)2 and ·CMe3 with pyrrolidino[60]fullerenes studied by ESR spectroscopy |
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| Authors: | Gasanov R. G. Tumanskii B. L. Tsikalova M. V. Nuretdinov I. A. Gubskaya V. P. Zverev V. V. Fazleeva G. M. |
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| Affiliation: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991 Moscow, Russian Federation;(2) Institute of Organic and Physical Chemistry, Kazan Research Center of the Russian Academy of Sciences, 8 ul. Akad. Arbuzova, 420088 Kazan, Russian Federation |
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| Abstract: | The addition of the ·But (R1) and ·P(O)(OPri)2 (R2) radicals to pyrrolidino[60]fullerenes C60CH2NMeCHX (X = C6H4N(CH2CH2Cl)2, 2,6-(But)2C6H2OH, PhC6H4, and indol-3-yl) was studied by ESR spectroscopy. The rate constants of R1 radical addition to these compounds and dimerization of spin-adducts of the R1 radicals with pyrrolidino[60]fullerenes were determined. Pyrrolidino[60]fullerenes manifest considerably higher reactivity toward the R1 radicals than fullerene C60 and methanofullerenes C60CX1X2 (X1 = X2 = CO2Et; X1 = CO2Me, X2 = OP(OMe)2, X1 = X2 = OP(OEt)2). |
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| Keywords: | ESR spectroscopy pyrrolidino[60]fullerenes nitrosodurol addition and dimerization rate constants |
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