Electrochemical and ESR studies on the reduction of 3-arylimino-3H-indole-N,N′-dioxides |
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| Authors: | R. Andruzzi I. Carelli A. Trazza P. Bruni M. Colonna |
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| Affiliation: | Istituto Chimico della Facoltà di Ingegneria dell''Università and Centro di Elettrochimica e Chimica Fisica delle Interfasi del Consiglio Nazionale delle Ricerche, Via del Castro Laurenziano, 7-00161 Roma, Italy;Istituto Chimico della Facoltà di Ingegneria dell''Università—Viale Risorgimento, 2-40136 Bologna, Italy |
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| Abstract: | 3-Arylimino-3H-indole-N,N′-dioxides have been reduced in DMF to the corresponding radical anions, and studied using polarographic and controlled potential electrolysis, as well as UV and ESR spectrometry. A multistep scheme has been suggested in order to explain the various experimental results. ESR spectra were explained in terms of HFSC evaluation and theoretically reconstructed in order to check the validity of the attributions. The same radicals were obtained with DMSO/t-BuOK as reducing agent. |
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