Reactivite photochimique des α-aminoenones: reactions de cyclisation et nouveau type de reaction dans les α-sulfonamido-cyclohexenones |
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| Authors: | JC Arnould J Cossy JP Pete |
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| Institution: | Laboratoire de Photochimie, (Equipe de Recherche Associée au CNRS No. 688), U.E.R. Sciences, 51062 Reims Cédex, France |
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| Abstract: | The photochemical behaviour of 2-alkylamino 2-cyclohexenones is very sensitive to the nitrogen substituents. α-Ketoazetidines are produced by irradiation of 2-methanesulfonamido-2-cyclohexenones; however a desulfonation and aryl migration process can compete in the case of 2-arenesulfonamido-2-cyclohexenones. Furthermore divinylamine and photo-Fries rearrangements are the main reactions with 2-anilino 2-cyclohexnone and 2-benzoylamido 2-cyclohexenone respectively. |
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