Patent ID: 6191309
Filing Date: 2001-02-20
Classification: C07C

Abstract:
A process for preparing 2-amino- or 2-acetamidotrifluoromethylbenzene derivatives halogenated in position 5 of the benzene ring, comprising a halogenation step of halogenating a compound of formula (1) ##STR10##wherein Q represents an NH.sub.2 group optionally in the form of an addition salt with an acid, or an NHCOCH.sub.3 group, using a compound of formula X.sub.2 where X represents a halogen atom, in a solvent comprising an anhydrous halogenated hydrocarbon, a mixture of water and of halogenated hydrocarbon or the compound of formula (1) itself, wherein said halogenation step does not use an organic base, to give mainly a compound of formula (2) or (3) ##STR11##in which formulae Q and X are as defined above.