Method for preparing 2-(n-butyl)-5-nitrobenzofuran

Details Method for preparing 2-(n-butyl)-5-nitrobenzofuran Method for preparing 2-(n-butyl)-5-nitrobenzofuran

C - Chemistry, Metallurgy

07

C

C07C 205/22 (2006.01) C07D 307/79 (2006.01)

Patent

CA 2683304

The invention relates to a method for preparing 2-(n-butyl)-5-nitrobenzofuran from 1-halogeno-4-nitrobenzene, characterised in that it comprises reacting the 1-hexen-3-ol, then subjecting the product to a Claisen rearrangement, followed by a catalytic intramolecular cyclisation.

Procédé de préparation de 2-(n-butyl)-5-nitrobenzofurane à partir de 1-halogéno-4-nitrobenzène, caractérisé en ce que l'on fait agir le 1-hexèn-3-ol, puis soumet le produit à un réarrangement de Claisen, suivi d'une cyclisation intramoléculaire catalytique.

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