Process for the manufacture of nitrophenetoles

Details Process for the manufacture of nitrophenetoles Process for the manufacture of nitrophenetoles

C - Chemistry, Metallurgy

07

C

260/611.1

C07C 205/37 (2006.01)

Patent

CA 1200821

ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the manufacture of ortho- or para-nitrophenetole. According to the invention, the respective nitrochlorobenzene is reacted with ethanol and alkali hydroxide in the presence of a catalyst system which comprises a tetramethylammonium salt of a general formula (CH3)4NX, wherein X is Cl-, Br-, HSO4- or OC2H5, and an aqueous phase. The process has several advantages such as high yields and purity, the products obtained being completely free of side reaction products such as azoxy compounds.

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