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Développement de voies alternatives de coupure oxydante d’alcools vicinaux biosourcés

Abstract : Oxidation reactions are widely practiced in the Chemical Industry and products obtained through this method represent a huge market. The transformation of alkenes through oxidation processes leads to the production of a large panel of compounds that are used as such or as intermediates in the preparation of organic chemicals, perfumes, cosmetics or pharmaceutical products. The aim of this project is to develop an economically and environmentally viable integrated process for the industrial production of mono and di-carboxylic acids of high purity from the oxidative cleavage of vegetable oils. The synthetic process, dealing with the cleavage of unsaturated fatty acids, involves two distinct successive steps. The formation of the corresponding diols, a well mastered transformation at pilot scale recently patented by OLEON, then the production of mono and dicarboxylic acids in oxidative conditions, which is the key challenging step The originality and the strength of the proposed process are to perform this second transformation with oxygen as oxidant and in the presence of a supported catalyst. Nevertheless, a full understanding of the mechanism is required in order to reach high yields and selectivity in one hand and to facilitate the scale-up stage in an other hand. The analysis and new synthesis methodology of this intermediates was considered. The final objective of this project is to set up an integrated process from the initial chosen feedstock down to the valuable chemicals
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Submitted on : Friday, September 13, 2019 - 3:49:46 AM
Last modification on : Wednesday, July 8, 2020 - 12:42:24 PM
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  • HAL Id : tel-02285709, version 1


Boris Guicheret. Développement de voies alternatives de coupure oxydante d’alcools vicinaux biosourcés. Chimie organique. Université de Lyon, 2017. Français. ⟨NNT : 2017LYSE1020⟩. ⟨tel-02285709⟩



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