Synthèse d'hydroxyspirocétals insaturés et hétérocyclisation en méthyl-5 trioxa-2,6,11 tricyclo[5.3.1.01.5]undécane |
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Authors: | Louis Cottier Grard Descotes |
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Institution: | Louis Cottier,Gérard Descotes |
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Abstract: | The photochemical irradiation of unsaturated ketoacetals 4 gives unsaturated hydroxyspirocetals 6 . The mixture of these stereoisomers yields by thermal or ionic treatment a trioxatri-cyclo compound 7 . |
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