Reacao Nucelofilica
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1. Adição de nucleofilos a ions oxocarbenio ciclicos derivados de y-Lactois 5-Substituidos. Formação diastereosseletiva de sistemas tetraidrofuranicos 2,5-trans- e 2,5-cis-Dissubstituidos
2,5-Disubstituted tetrahydrofurans moieties are found in many biologically important natural products including pheromones, polyether antibiotics and acetogenins. We have demonstrated that the synthesis of 2,5-disubstituted tetrahydrofuran derivatives can be achieved in good yields and divergent diastereoselectivity either by intermolecular or intramolecular
Publicado em: 2001