| 摘要 |
The invention relates to compounds of formula (I),wherein:R2 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino, nitro, C2-4alkanoyl, C1-4alkanoylamino, C1-4alkoxycarbonyl, C1-4alkylthio, C1-4alkylsulphinyl, C1-4alkylsulphonyl, carbamoyl, {overscore (N)}-C1-4alkylcarbamoyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)carbamoyl, aminosulphonyl, {overscore (N)}-C1-4alkylaminosulphonyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)aminosulphonyl, C1-4alkylsulphonylamino, or a group R4X1 wherein X1 represents a direct bond, C2-4alkanoyl, -CONR5R6-, -SO2NR7R8- or -SO2R9- (wherein R5 and R7, each independently represents hydrogen or C1-2alkyl and R6, R8 and R9 each independently represents C1-4alkyl and wherein R4 is linked to R6, R8 or R9) and R4 represents an optionally substituted group selected from phenyl and a 5 or 6-membered heterocyclic group; n is an integer from 0 to 4, R1 represents hydrogen, C1-4alkyl, C1-4alkoxymethyl, di(C1-4alkoxy)methyl or C1-4alkanoyl; m is an integer from 0 to 4; and R3 represents hydroxy, halogeno, nitro, trifluoromethyl, C1-3alkyl, cyano, amino or R10X2 (wherein X2 represents a direct bond, -CH2-, or a single or double heteroatom linker group including -S-, -SO- and -NR15- (wherein R15 represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl), and R10 is an alkenyl or alkynyl chain optionally substituted by for example hydroxy, amino, nitro, alkyl, cycloalkyl, alkoxyalkyl, or an optionally substituted group selecte |
