Nouveaux procédés de réduction catalytique du CO2 en consommables chimiques

Abstract : Fossil resources have been extensively used for the past 200 years allowing a fast paced industrializationin our society. However we are facing today several challenges to preserve our way of life 1) CO2 shouldbe captured and stored/used to avoid large quantity of CO2 to be released in the atmosphere 2) Bypassthe use of fossil resource by using another source of carbon for the synthesis of chemicals 3) Developefficient energy storage technologies to rely more on renewable intermittent energy sources. As CO2 is acheap widely available resource, this waste could be used as well as a source of carbon for the synthesisof value added chemicals but also as a way to store energy in the tandem CO2/MeOH. However as it isan inert gas few processes using CO2 have been industrialized so far.Inspired by Nature’s way to use CO2 we decided to design new reactions from carbon monoxide andformic acid, two derivatives easily available from CO2 that could enable us to overcome the limitationwe faced with CO2. We therefore studied the transformation of CO2 to methanol using formic acid as anintermediate and a reductant and we subsequently used this reaction to perform the methylation ofaromatic amines using formic acid. Finally we developed a new reaction of amines homologation withcarbon monoxide allowing the formation of several C–C bonds.
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Solene Savourey. Nouveaux procédés de réduction catalytique du CO2 en consommables chimiques. Catalyse. Université Paris-Saclay, 2016. Français. ⟨NNT : 2016SACLV051⟩. ⟨tel-01531460⟩

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