| abstract |
Compounds of formula (I): n nwherein:n R F represents monofluoro- or polyfluoro-alkyl or monofluoro- or polyfluoro-cycloalkylalkyl, R 1 represents hydrogen or a group selected from alkylaminocarbonyl and optionally substituted alkyl, R 2 represents hydrogen, halogen or a group selected from cycloalkyl and optionally substituted alkyl, R 3 to R 6 , which may be the same or different, each represent an atom or group selected from hydrogen, halogen, nitro, cyano, alkylsulphonyl, hydroxy, alkoxy, optionally substituted alkyl and optionally substituted amino,n nits optical isomers when they exist, and also their addition salts with a pharmaceutically acceptable acid or base.n n Medicinal products containing the same which are useful as AMPA modulators. |