Method for producing 3-hydroxy-2-methylbenzoic acid

Details Method for producing 3-hydroxy-2-methylbenzoic acid Method for producing 3-hydroxy-2-methylbenzoic acid

C - Chemistry, Metallurgy

07

C

C07C 65/00 (2006.01) C07C 51/00 (2006.01)

Patent

CA 2296697

The invention relates to a novel method for producing 3-hydroxy-2- methylbenzoic acid by reacting disodium-3-amino-1,5-napthaline disulphonic acid with aqueous potassium hydroxide solution at a pressure of at least 100 bar.

L'invention concerne un nouveau procédé de préparation d'acide 3-hydroxy-2-méthylbenzoïque par réaction d'acide disodique-3-amino-1,5-naphtalinosulfonique avec une solution aqueuse d'hydroxyde de potassium, sous une pression d'au moins 100 bar.

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