| abstract |
Atropisomers of formula (Ia), wherein R2 is an optionally substituted aryl or heteroaryl, R5 is alkyl, halo, CF3, alkoxy or alkylthio, R6, R7 and R8 are hydrogen or halo, and R3 is hydrogen, halo, CN, NO2, CF3, alkyl or alkoxy, are useful as AMPA receptor antagonists, particularly in the treatment of neurodegenerative and CNS-trauma related conditions. |