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Nous proposons un nouveau reactif analytique pour la determination par spectroscopie RMN de la composition enantiomerique des esters d'acides amines. Ce reactif, la chlorocobalt(III) tetramethylchiroporphyrine, complexe in situ, de facon quantitative, la fonction amine des acides amines dans le tube de RMN, sans resolution cinetique. Les effets de la cavite chirale et du courant de cycle de la porphyrine...
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