Electron transfer and paramagnetic products of reactions of haloquinones with aliphatic amines |
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| Authors: | Kadirov M K Nefed"ev S E Zuev M B |
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| Institution: | (1) A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center of the Russian Academy of Sciences, 8 ul. Akad. Arbuzova, 420083 Kazan, Russian Federation;(2) Eazan State Technological University, 68 ul. K. Marksa, 420015 Kazan, Russian Federation |
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| Abstract: | The reactions of chloranil (Cl4Q) and bromanil (Br4Q) with aliphatic amines in a DMF : H2O (5 : 1, vol/vol) mixture were studied. The radical anions of 2,5-didimethylamino-3,6-chloro-p-benzoquinone and 2,5-didimethylamino-3,6-bromo-p-benzoquinone were identified by ESR spectra. The reaction rate constant of the replacement of two chlorine atoms by the amino groups in the radical anion of Cl4Q at 288 K was estimated. |
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| Keywords: | chloranil bromanil dimethylamine diethylamine 2 5-didimethylamino-3 6-chloro-p-benzoquinone 2 5-didimethylamino-3 6-bromo-p-benzoquinone N N-dimethylformamide free radicals ESR spectroscopy electron transfer |
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