Patent ID: 6303820
Filing Date: 2001-10-16
Classification: C07C

Abstract:
A process for the preparation of nitrosobenzenes of the general formula ##STR2##whereinR.sup.1 and R.sup.2 are identical or different and represent hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,comprising the step of oxidizing of corresponding aromatic amines in the presence of an inert organic solvent or solvent mixture, wherein the oxidation is carried out with hydrogen peroxide in the presence of sodium molybdate dihydrate at temperatures of 5 to 25.degree. C. at a molar ratio of aromatic amines to hydrogen peroxide to sodium molybdate dihydrate of(1):(2.0 to 5.0):(0.001 to 0.05).