| abstract |
A compound of formula (I), ** Formula ** in which n represents 1, 2, 3 or 4; R1 represents hydrogen and R2 represents hydroxy; hydroxy (C1-C3) alkyl; (C1-C3) alkoxy; -NHR11; -N (CH3) 2; -CN; - CONH2; (C1-C4) alkoxycarbonyl; (C1-C4) alkylaminocarbonyl; aryl that is unsubstituted or mono- or di-substituted with (C1-C3) fluoroalkyl or halogen; or heteroaryl that is unsubstituted or mono- or di-substituted with (C1-C4) alkyl, (C1-C3) fluoroalkyl or halogen; or R1 represents (C1-C3) alkyl or hydroxy (C1-C3) alkyl and R2 represents hydrogen; R3 represents hydrogen or fluorine; R4 represents hydrogen or fluorine; R5 represents hydrogen, (C1-C4) alkyl or halogen; R6 represents hydrogen, (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) alkylcarbonyl, hydroxy (C1-C4) alkyl, hydroxyalkoxy (C2-C4), (C1-C2) alkoxy - (C1-C4) alkyl, (C1-C4) alkoxy (C2-C4) alkoxy, hydroxy, amino, nitro or halogen; R7 represents hydrogen or (C1-C3) alkyl; R8 represents hydrogen, (C1-C4) alkyl or hydroxy; R9 represents hydrogen, (C1-C4) alkyl, (C1-C4) alkylthio, formyl or halogen; R10 represents fluoro, chloro, methyl, ethyl, fluoroalkyl (C1-C2) or methoxy; and R11 represents hydrogen, benzyl, (C1-C4) alkylcarbonyl, (C1-C4) alkoxycarbonyl or (C1-C4) alkyl-sulfonyl which is unsubstituted or mono-substituted with hydroxy or (C1-C4) alkoxy -carbonyl; or a salt of such a compound. |