Preparation of fluorinated aromatic compounds

C - Chemistry – Metallurgy – 07 – C

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260/652

C07C 25/13 (2006.01) C07B 39/00 (2006.01) C07C 17/093 (2006.01)

Patent

CA 1263966

R-3446 BREVET D'INVENTION PROCEDE DE PREPARATION DE COMPOSES AROMATIQUES FLUORES Société dite : RHONE-POULENC SPECIALITES CHIMIQUES A B R E G E La présente invention concerne un procédé de préparation de composés aromatiques fluorés par diazotation d'amines aromatiques dans l'acide fluorhydrique en excès, décomposition du diazonium formé et récupération sous forme anhydre de l'acide fluorhydrique introduit en excès.

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