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Journal Articles ACS Catalysis Year : 2019

Catalytic Metal-Free Deoxygenation of Nitrous Oxide with Disilanes

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Abstract

Because of its high kinetic stability, conditions to reduce the greenhouse gas N2O are limited; therefore, a better understanding of N2O chemistry and N–O bond cleavage is required. In this work, N2O was deoxygenated under metal-free conditions. Using disilanes as reducing agents and a catalytic amount of fluoride anions or alkoxides allowed a mild reduction at ambient pressure and temperature. DFT calculations unveiled the mechanism, which shows a nucleophilic addition of a silyl anion to the central N atom of N2O and release of N2 from a pseudo-Brook rearrangement.
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Dates and versions

cea-02372787 , version 1 (01-12-2020)

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Lucile Anthore-Dalion, Emmanuel Nicolas, Thibault Cantat. Catalytic Metal-Free Deoxygenation of Nitrous Oxide with Disilanes. ACS Catalysis, 2019, 9, pp.11563-11567. ⟨10.1021/acscatal.9b04434⟩. ⟨cea-02372787⟩
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