Preparation of hydroxylated aromatic compounds

Details Preparation of hydroxylated aromatic compounds Preparation of hydroxylated aromatic compounds

C - Chemistry, Metallurgy

07

C

260/620, 260/611

C07C 39/24 (2006.01) C07C 37/055 (2006.01) C07C 41/26 (2006.01) C07C 43/23 (2006.01)

Patent

CA 1249602

R-3444 BREVET D'INVENTION PROCEDE DE PREPARATION DE COMPOSES AROMATIQUES HYDROXYLES Société dite : RHONE-POULENC SPECIALITES CHIMIQUES A B R E G E La présente invention concerne un procédé de préparation de composés aromatiques hydroxylés porteurs éventuellement de groupes trifluorométhyl, trifluorométhoxy ou trifluorométhylthio caractérisé en ce que l'on fait réagir un chloroformiate ou un fluoroformiate de trihalogénométhyl, trihalogénométhoxy, trihalogénométhylthiophényle avec l'acide fluorhydrique liquide. Les composés aromatiques obtenus sont utilisés comme intermédiaires de synthèse dans l'industrie pharmaceutique ou phytosanitaire.

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