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Ultrasound effects on the Mn(III) - promoted addition of amidoalkyl radicals to olefins |
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| Authors: | Cesare Bosman Andrea D'Annibale Stefano Resta Corrado Trogolo |
| Institution: | Centro C.N.R. di Studio per la Chimica delle Sostanze Organiche Naturali, Dipartimento di Chimica, Università degli Studi di Roma “La Sapienza”, P.le Aldo Moro 5, 00185 Roma, Italia |
| Abstract: | Amidoalkyl radicals, generated from amides by Mn(OAc)3 in acetic acid react with phenyl substituted alkenes to generate five-membered lactones or lactams. Ultrasound at ambient temperature significantly accelerates these single electron transfer reactions even when compared with conventional conditions under reflux or simple mechanical stirring. In some cases sonication leads to unusual products. |
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