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Formic acid and CO as key 'power molecules' in the catalytic conversion of CO$_2$ to chemicals

Thibault Cantat 1, *
* Corresponding author
1 LCMCE - Laboratoire de Chimie Moléculaire et de Catalyse pour l'Energie (ex LCCEF)
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : With 95 % of organic chemical commodities deriving from fossil resources, the chemical industry is currently exploring novel and renewable carbon feedstocks for the production of both bulk and fine chemicals. In this context, the utilization of CO$_2$ or products derived from biomass wastes is an attractive strategy to access value-added products. Because these carbon sources feature carbon atoms in an oxidized state, the development of reduction methods is needed and they call for the design of efficient catalysts able to break strong C−O and C=O bonds. Over the last years, our group has developed novel catalytic reactions for the conversion of CO$_2$ to formamides, N-heterocycles, methylamines and methanol, using hydroboranes, hydrosilanes or formic acid as reductants. Extension of this methodology to SO$_2$ enabled the facile conversion of this gaz to sulfones, under metal-free conditions. 17 These new catalytic transformations rely on the use of simple organocatalysts, including nitrogen and phosphorus bases as well as Frustrated Lewis Pairs. The mechanisms at play in these transformations will be presented, based on DFT calculations and isolation of reactive catalytic intermediates.
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https://hal-cea.archives-ouvertes.fr/cea-03449021
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Submitted on : Thursday, November 25, 2021 - 2:49:30 PM
Last modification on : Saturday, November 27, 2021 - 3:43:06 AM

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Thibault Cantat. Formic acid and CO as key 'power molecules' in the catalytic conversion of CO$_2$ to chemicals. 2021. ⟨cea-03449021⟩

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