One pot synthesis of nitrogen-containing polycyclic delta-lactones by double nucleophilic addition of bis(trimethylsilyl)ketene acetals to pyridines |
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| Authors: | Rudler Henri Denise Bernard Parlier Andrée Daran Jean-Claude |
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| Institution: | Laboratoire de Synthèse Organique et Organométallique, UMR 7611, Université Pierre et Marie Curie, 4, place Jussieu, 75252 Paris, France. rudler@ccr.jussieu.fr |
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| Abstract: | Pyridine and bis(TMS)ketene acetals (TMS = trimethylsilyl) react successively with methylchloroformate and iodine (or peracids) to give, via functionalized dihydropyridines, bicyclic nitrogen-containing lactones which have been characterized by X-ray crystallography. |
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