| abstract |
The present invention describes compounds of formula (1) wherein: RF represents a monofluoro- or polyfluoro-alkyl or monofluoro- or polyfluoro-cycloalkyl group, R1 represents a hydrogen atom or a group selected from optionally substituted alkylaminocabonyl and alkyl, R2 represents a hydrogen or halogen atom or a selected cycloalkyl and optionally substituted alkyl group, R3 to R6, which may be identical or different, each represents an atom or group selected from hydrogen and halogen atoms and the nitro, cyano groups, alkylsulfonyl, hydroxy, alkoxy, optionally substituted alkyl and optionally substituted amino, and also with their addition salts with a pharmaceutically acceptable acid or base, and the optical isomers thereof when they exist. Medicines. |