Cycloadditions dipolaires-1,3-XXV: Formation sous controle cinetique d'invertomeres stables lors des cycloadditions d'esters nitroniques |
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| Authors: | R Gr&#x;ee R Carrié |
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| Institution: | Groupe de Recherches de Physicochimie Structurale, E.R.A. No. 389 Université de Rennes, B.P. 25A, 35031 Rennes Cédex, France |
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| Abstract: | The addition of nitronic esters to α,β-diactivated olefins leads to the formation under kinetic control of invertomers of N-alkoxy isoxazolidines. These results and the conformational properties of the heterocycles are discussed in terms of the anomeric effect and ‘gauge effect”. |
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