translate English to French: Key words: benzofuran, aldehyde, bis(benzofuranyl)methanes, Bi(OTf)3, 2-benzofuran-1-nitroalkane.
Mots-clés : benzofurane, aldéhyde, bis(benzofuranyl)méthanes, Bi(OTf)3, 2-benzofurane-1-nitroalcanes.