Reactions selectives des organonagnesiens avec les lactols et les lactones. Synthese des diols primaires-secondaires |
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| Institution: | 1. Molecular chemistry Laboratory, Coordination chemistry and Catalyse Unit, Université Cadi Ayyad, Faculté des Sciences Semlalia, B.P 2390 40001 Marrakech, Morocco;2. Equipe de la Chimie des Molécules Bioactives et de l''Environnement, Département de Chimie, Faculté des Sciences, Université Moulay Ismail, BP11201 Zitoune, Meknès, Morocco;3. Physical-Chemistry of Materials and Environment Laboratory, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco |
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| Abstract: | The reactionz of organomagnesium compounds with cyclic lactols and the phthalde show a high chemioselectivity and provide respectively corresponding monoalkylated cyclic lactones and diols We also observe that the formation of bridged tricyclic lactones stereoselectively yields to thetransisomer. In the same way, we describe an easy and general method for the synthesis of diols, precursors of dibromides and cyclic ethers. |
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