Method for acylation or sulphonation of an aromatic compound

Details Method for acylation or sulphonation of an aromatic compound Method for acylation or sulphonation of an aromatic compound

C - Chemistry, Metallurgy

07

C

C07C 45/46 (2006.01) C07B 41/06 (2006.01) C07B 45/04 (2006.01) C07C 205/45 (2006.01) C07C 315/00 (2006.01)

Patent

CA 2282680

The invention concerns a method for the acylation or sulphonation of an aromatic compound. More particularly, the invention concerns a method for the acylation or sulphonation of an activated or deactivated aromatic compound and is useful for preparing aromatic ketones or sulphones. The method consists in reacting at least an aromatic compound with an acylation or sulphonation agent, in the presence of a Friedel-Crafts catalyst and is characterised in that the acylation or sulphonation reaction is carried out in liquid phase under microwave radiation.

La présente invention a pour objet un procédé d'acylation ou de sulfonylation d'un composé aromatique. Plus particulièrement, l'invention a trait à un procédé d'acylation ou de sulfonylation d'un composé aromatique activé ou désactivé. L'invention s'applique à la préparation de cétones ou de sulfones aromatiques. Le procédé d'acylation ou de sulfonylation d'un composé aromatique qui consiste à faire réagir au moins un composé aromatique avec un agent d'acylation ou de sulfonylation, en présence d'un catalyseur de Friedel- Crafts est caractérisé par le fait que l'on conduit la réaction d'acylation ou de sulfonylation, en phase liquide, sous irradiation de micro-ondes.

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