| abstract |
A process for preparing an ortho-disubstituted benzene compound, characterized in that a compound of the general formula: **(Formula)** in which R1 and R2 each independently represent an alkyl group containing 1 to 4 carbon atoms or an alkoxy group containing 1 to 3 carbon atoms, halogen, R3 represents hydrogen, halogen, an alkyl group containing 1 to 4 carbon atoms, an alkoxy group containing 1 to 3 carbon atoms, an amino group or a nitro group, A represents -SO2NR4, which is attached to the benzene ring by its sulfur or nitrogen atom and in which R4 is hydrogen or an alkyl group containing 1 to 4 carbon atoms. |