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Article Dans Une Revue European Journal of Organic Chemistry Année : 2022

Direct Synthesis of Vinylene Carbonates from Aromatic Aldehydes

Résumé

Substituted vinylene carbonates were directly prepared from aromatic aldehydes following a one-pot Benzoin condensation/transcarbonation sequence under solvent-free conditions. The combination of a N-phenyl substituted triazolium salt NHC precursor and 4-dimethylaminopyridine (DMAP) was found essential to reach high yield and selectivity. The reaction scope was investigated with a range of aromatic aldehydes and the corresponding vinylene carbonates were obtained with 32–86 % isolated yields (14 examples).

Domaines

Chimie organique
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Dates et versions

hal-03821395 , version 1 (19-10-2022)

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Killian Onida, Leyli Ibrahimli, Nicolas Duguet. Direct Synthesis of Vinylene Carbonates from Aromatic Aldehydes. European Journal of Organic Chemistry, 2022, 2022 (29), pp.e202200153. ⟨10.1002/ejoc.202200153⟩. ⟨hal-03821395⟩
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