Method of making 3,5-difluoroaniline from...

C - Chemistry – Metallurgy – 07 – C

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C07C 209/10 (2006.01) C07C 17/20 (2006.01) C07C 211/52 (2006.01)

Patent

CA 2398650

A method for manufacturing 3,5-difluoroaniline by fluorinating 1,3,5- trichlorobenzene and then aminating the intermediate fluorinated benzene with aqueous or anhydrous ammonia to achieve the product in yields of greater than 80 %.

L'invention concerne un procédé de fabrication de 3,5-difluoroaniline par fluoration de 1,3,5-trichlorobenzène, puis par amination du produit intermédiaire benzène fluoré par de l'ammoniac aqueux ou anhydre, de manière à obtenir le produit voulu avec un rendement supérieur à 80 %.

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